Best nas hard drive, ranked by $/TB

SSD · NVMe · hard drive · external · NAS · SAS · microSD, all on Amazon.com

United StatesCanada

Updated 18 minutes ago

As an Amazon Associate we earn from qualifying purchases. Prices and availability come from Amazon.com as of the last update and may change.

CMR hard drives rated for 24/7 NAS use. This table ranks every nas hard drive we track on Amazon.com by live price per terabyte, so you can compare value across brands and capacities at a glance and find the cheapest cost per terabyte rather than scanning listing after listing.

Best price per TB

$24.79

Products tracked

146

Prices updated

18 minutes ago

TypeForm factorInterfaceMin capacityConditionBrand

Price per

Sort

146 products

Product	Capacity	Price	$ / TB	Tech	Prime	Buy
Western Digital 24TB WD Red Pro NAS Internal Hard Drive HDD, 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD241KFGXUsed	24 TB	$594.87	$24.79	HDD · SATA	Prime	Buy on Amazon
MDD MAXDIGITALDATA MaxDigitalData 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform NAS Hard Drive - w/3 Year Warranty (Renewed)Renewed	6 TB	$149.99	$25.00	HDD · SATA	-	Buy on Amazon
WD Red 8TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD80EFZXUsed	8 TB	$199.99	$25.00	HDD · SATA	-	Buy on Amazon
Basicnology NAS HDD 14TB 7200RPM SATA 6Gb/s 128MB Cache 3.5inch Internal NAS Hard Drive (BG14TSA256N) - 3 Years Warranty (Renewed)Renewed	14 TB	$349.99	$25.00	HDD · SATA	-	Buy on Amazon
MDD (MD14TSATA25672NAS) 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal NAS Hard Drive - 5 Years Warranty (Renewed)Renewed	14 TB	$359.95	$25.71	HDD · SATA	-	Buy on Amazon
Western Digital Internal Hard Drives 18Tb DC HC550 Surveillance,Wd 3.5 HDD Sata 6Gb/s 7200 PRM NAS 512 mb Cache for Dvr Nvr	18 TB	$469.99	$26.11	HDD · SATA	-	Buy on Amazon
MDD (MD14TSATA25672NAS) 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal NAS Hard Drive - 5 Years Warranty (Renewed)Renewed	14 TB	$369.95	$26.43	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 16TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for Raid Network Attached Storage, with Rescue Service (ST16000VN001)Used	16 TB	$449.99	$28.12	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 14 TB NAS RAID Internal Hard Drive - 7,200 RPM SATA 6 Gb/s 3.5-inch (ST14000NE0008)Used	14 TB	$399.99	$28.57	HDD · SATA	-	Buy on Amazon
MDD (MD16TSATA25672NAS) 16TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch NAS Hard Drive - 5 Years Warranty (Renewed)Renewed	16 TB	$459.99	$28.75	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 18TB NAS HDD, ST18000NE000 SATA 6Gb/s 3.5" (Renewed)Renewed	18 TB	$519.99	$28.89	HDD · SATA	-	Buy on Amazon
TOSHIBA Internal Hard Disk Server for NAS 3.5" Enterprise HDD 12TB SATA 6 Gbit/s 7200rpm 3 Year Warranty MG07ACA12TE (Renewed)Renewed	12 TB	$349.99	$29.17	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA 2021 MDD (MDD10TSATA25672NAS) 10TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal NAS Hard Drive (Renewed)Renewed	10 TB	$299.99	$30.00	HDD · SATA	-	Buy on Amazon
MDD (MDD12TSATA25672NAS) 12TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal NAS Hard Drive - 5 Years Warranty (Renewed)Renewed	12 TB	$359.99	$30.00	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA MDD (MDD18TS25672NAS) 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal NAS Hard Drive (Renewed)Renewed	18 TB	$539.99	$30.00	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA MDD (MD18TSATA25672NAS) 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal NAS Hard Drive - 5 Years Warranty (Renewed)Renewed	18 TB	$539.99	$30.00	HDD · SATA	-	Buy on Amazon
MDD 2018 MDD18TS25672NAS 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal NAS Hard Drive - 5 Years Warranty (Renewed)Renewed	18 TB	$539.99	$30.00	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA MDD 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal NAS Hard Drive (Renewed)Renewed	18 TB	$549.99	$30.56	HDD · SATA	-	Buy on Amazon
MDD 24TB 7200RPM 512MB Cache SATA 6.0Gb/s 3.5inch Internal NAS Hard Drive (MDD24TS51272NAS) - 5 Years Warranty (Renewed)Renewed	24 TB	$739.99	$30.83	HDD · SATA	-	Buy on Amazon
TOSHIBA N300 16TB SATA III 3.5" Internal NAS Hard Drive	16 TB	$498.99	$31.19	HDD · SATA	-	Buy on Amazon
Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFAXUsed	8 TB	$249.99	$31.25	HDD · SATA	-	Buy on Amazon
MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5-inch Internal Hard Drive for NAS Network Storage (MD6000GSA12872NAS) - 3 Years Warranty (Renewed)Renewed	6 TB	$189.99	$31.67	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD6000GSA12872NAS) - 3 Years Warranty (Renewed)Renewed	6 TB	$189.99	$31.67	HDD · SATA	-	Buy on Amazon
MDD (MDD22TS25672NAS) 22TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal NAS Hard Drive - 5 Years Warranty (Renewed)Renewed	22 TB	$699.99	$31.82	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 7200 RPM - 20TB, 2-PackUsed	40 TB	$1,289.00	$32.23	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal Hard Drive (for NAS, Network Storage) - 5 Years Warranty	20 TB	$649.99	$32.50	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA (MD20TSATA25672NAS 20TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal NAS Hard Drive (Renewed)Renewed	20 TB	$649.99	$32.50	HDD · SATA	-	Buy on Amazon
Western Digital 18TB WD Red Pro NAS WD181KFGX 7200 RPM SATA 6 Gb/s CMR 256 MB Cache 3.5" Internal Hard Drive HDD (Renewed)Renewed	18 TB	$589.00	$32.72	HDD · SATA	-	Buy on Amazon
Western Digital 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGXUsed	22 TB	$729.99	$33.18	HDD · SATA	-	Buy on Amazon
WD Red Pro 6TB 3.5-Inch SATA III 7200rpm 128MB Cache NAS Internal Hard Drive (WD6002FFWX)Used	6 TB	$200.00	$33.33	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 10TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache RAID Network Attached Storage Home Servers - (ST10000VN0008)Used	10 TB	$339.99	$34.00	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 10TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, with Rescue Service (ST10000VN0008)Used	10 TB	$339.99	$34.00	HDD · SATA	-	Buy on Amazon
Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD101EFBXUsed	10 TB	$339.99	$34.00	HDD · SATA	-	Buy on Amazon
Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD181KFGXUsed	18 TB	$619.00	$34.39	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 8Tb NAS Internal Hard Drive HDD – 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for Raid Network Attached Storage (ST8000VN0022),SilverUsed	8 TB	$279.99	$35.00	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal Hard Drive for NAS Network Storage (MD8000GSA25672NAS) - 3 Years Warranty (Renewed)Renewed	8 TB	$289.99	$36.25	HDD · SATA	-	Buy on Amazon
Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFBXUsed	8 TB	$290.00	$36.25	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 28TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST28000NT000)	28 TB	$1,019.99	$36.43	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA MaxDigitalData 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD8000GSA25672NAS)	8 TB	$299.99	$37.50	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 8TB NAS Internal Hard Drive HDD 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage Frustration Free Packaging (ST8000VNZ04/N004)Used	8 TB	$299.99	$37.50	HDD · SATA	-	Buy on Amazon
MDD MAXDIGITALDATA MDD (MDD8TSATA25672NAS) 8TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal NAS Hard Drive (Renewed)Renewed	8 TB	$299.99	$37.50	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 24TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST24000NT002) (Renewed)Renewed	24 TB	$899.99	$37.50	HDD · SATA	-	Buy on Amazon
Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGXUsed	10 TB	$377.68	$37.77	HDD · SATA	Prime	Buy on Amazon
Seagate IronWolf 10Tb NAS Internal Hard Drive HDD – 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for Raid Network Attached Storage (ST10000VN0004)Used	10 TB	$379.99	$38.00	HDD · SATA	-	Buy on Amazon
Western Digital 6TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD60EFAXUsed	6 TB	$229.99	$38.33	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 18TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Rescue Services – Frustration Free Packaging (ST18000VNZ00)Used	18 TB	$699.99	$38.89	HDD · SATA	-	Buy on Amazon
WL 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s 3.5" Internal Desktop Hard Drive (For RAID, NAS, DVR, Desktop PC) w/1 Year Warranty	3 TB	$119.95	$39.98	HDD · SATA	-	Buy on Amazon
Seagate IronWolf ST8000VN0022 8TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5 Inch Internal Hard Drive (Renewed)Renewed	8 TB	$319.99	$40.00	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 10TB NAS Internal Hard Drive HDD –CMR 3.5 Inch SATA 6Gb/s 256MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST10000NEZ008)Used	10 TB	$399.99	$40.00	HDD · SATA	-	Buy on Amazon
Seagate (Recertified) IronWolf Pro 16TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST16000NE000)Renewed	16 TB	$640.00	$40.00	HDD · SATA	-	Buy on Amazon
Seagate 4TB IronWolf NAS SATA Hard Drive 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive for NAS Servers, Personal Cloud Storage (ST4000VN008), SilverUsed	4 TB	$161.78	$40.45	HDD · SATA	-	Buy on Amazon
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPXUsed	4 TB	$161.79	$40.45	HDD · SATA	Prime	Buy on Amazon
Seagate IronWolf Pro, 6 TB, Internal Hard Drive, NAS, 3.5 Inch, SATA, 6GB/s, 7200 RPM, 256MB Cache, for RAID Network Attached Storage, FFP (ST6000NTZ01)Used	6 TB	$249.99	$41.67	HDD · SATA	-	Buy on Amazon
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFBXUsed	12 TB	$499.99	$41.67	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)Used	20 TB	$835.99	$41.80	HDD · SATA	Prime	Buy on Amazon
Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD181KFGX	18 TB	$752.99	$41.83	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 10TB NAS Internal Hard Drive, 3.5" SATA 6Gb/s, 7200 RPM, CMR, RAID Optimized, IronWolf Health Management – for NAS Systems (ST10000VNZ00)Used	10 TB	$419.99	$42.00	HDD · SATA	-	Buy on Amazon
Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD202KFGXUsed	20 TB	$845.00	$42.25	HDD · SATA	Prime	Buy on Amazon
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGXUsed	12 TB	$507.12	$42.26	HDD · SATA	Prime	Buy on Amazon
White Label WL 4TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive (for Server, RAID, NAS, DVR, Desktop PC)	4 TB	$169.95	$42.49	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 7200 RPM - 20TB, 2-Pack	40 TB	$1,699.98	$42.50	HDD · SATA	-	Buy on Amazon
BUFFALO LinkStation 210 4TB 1-Bay NAS Network Attached Storage with HDD Hard Drives Included NAS Storage that Works as Home Cloud or Network Storage Device for HomeUsed	4 TB	$171.76	$42.94	HDD · SATA	-	Buy on Amazon
Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGXUsed	16 TB	$698.80	$43.68	HDD · SATA	-	Buy on Amazon
Western Digital 8TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD8005FFBXUsed	8 TB	$349.99	$43.75	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 8TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST8000NEZ01)Used	8 TB	$349.99	$43.75	HDD · SATA	-	Buy on Amazon
IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 7200 RPM, 16TB, 2-Pack \| CMR Technology, 5 Year Limited Warranty, Data Recovery Services, Optimized for RAID, SMBs, AI Model Training	32 TB	$1,399.98	$43.75	HDD · SATA	-	Buy on Amazon
Seagate 32TB IronWolf Pro Internal NAS Hard Drive \| SATA (ST32000NT000) \| Professional NAS Hard Drive (HDD) for 24/7 performance, AgileArray™, All-CMR, 550TB/yr. 5-Year Warranty + 3-Year Rescue	32 TB	$1,399.99	$43.75	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)	20 TB	$879.99	$44.00	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 24TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST24000NT002)	24 TB	$1,059.99	$44.17	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 14TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 256MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST14000NEZ008)	14 TB	$619.45	$44.25	HDD · SATA	-	Buy on Amazon
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX	12 TB	$533.81	$44.48	HDD · SATA	Prime	Buy on Amazon
Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD202KFGX	20 TB	$892.26	$44.61	HDD · SATA	Prime	Buy on Amazon
Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX	16 TB	$714.99	$44.69	HDD · SATA	Prime	Buy on Amazon
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPX (Renewed)Renewed	4 TB	$179.98	$45.00	HDD · SATA	-	Buy on Amazon
Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAXUsed	4 TB	$179.99	$45.00	HDD · SATA	-	Buy on Amazon
Western Digital 10TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD103KFBXUsed	10 TB	$449.99	$45.00	HDD · SATA	-	Buy on Amazon
Western Digital 12TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD122KFBX	12 TB	$539.99	$45.00	HDD · SATA	Prime	Buy on Amazon
Toshiba N300 20TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 GB/s 7200 RPM 512 MB Cache - HDWG62AXZSTA	20 TB	$899.95	$45.00	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006)Used	4 TB	$180.49	$45.12	HDD · SATA	Prime	Buy on Amazon
Seagate IronWolf 10TB NAS Internal Hard Drive, 3.5" SATA 6Gb/s, 7200 RPM, CMR, RAID Optimized, IronWolf Health Management – for NAS Systems (ST10000VNZ00)	10 TB	$459.99	$46.00	HDD · SATA	-	Buy on Amazon
Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX	10 TB	$459.99	$46.00	HDD · SATA	Prime	Buy on Amazon
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZUsed	4 TB	$185.24	$46.31	HDD · SATA	Prime	Buy on Amazon
Seagate IronWolf 14TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 256MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST14000VN0008)	14 TB	$650.00	$46.43	HDD · SATA	-	Buy on Amazon
Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD60EFPXUsed	6 TB	$278.89	$46.48	HDD · SATA	-	Buy on Amazon
Western Digital WD Red Plus Internal Hard Drive 8TB CMR 3.5 inch SATA 5640 RPM 256MB NAS WD80EFPX-AJP Eco PackageUsed	8 TB	$372.23	$46.53	HDD · SATA	Prime	Buy on Amazon
Seagate IronWolf 6TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST6000VN0033)Used	6 TB	$279.99	$46.67	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006)	4 TB	$189.99	$47.50	HDD · SATA	-	Buy on Amazon
BUFFALO LinkStation 210 4TB 1-Bay NAS Network Attached Storage with HDD Hard Drives Included NAS Storage that Works as Home Cloud or Network Storage Device for Home	4 TB	$192.99	$48.25	HDD · SATA	-	Buy on Amazon
Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD60EFPX	6 TB	$289.99	$48.33	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 18TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Rescue Services – Frustration Free Packaging (ST18000VNZ00)	18 TB	$874.45	$48.58	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST4000NEZ01)Used	4 TB	$195.00	$48.75	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 14 TB NAS RAID Internal Hard Drive - 7,200 RPM SATA 6 Gb/s 3.5-inch (ST14000NE0008)	14 TB	$689.07	$49.22	HDD · SATA	-	Buy on Amazon
Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX)Used	4 TB	$199.99	$50.00	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro, 6 TB, Internal Hard Drive, NAS, 3.5 Inch, SATA, 6GB/s, 7200 RPM, 256MB Cache, for RAID Network Attached Storage, FFP (ST6000NTZ01)	6 TB	$299.99	$50.00	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 10TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache RAID Network Attached Storage Home Servers - (ST10000VN0008)	10 TB	$500.00	$50.00	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 7200 RPM - 8TB, 2-Pack	16 TB	$799.98	$50.00	HDD · SATA	-	Buy on Amazon
WD Red 3TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30EFRX (Renewed)Renewed	3 TB	$153.00	$51.00	HDD · SATA	-	Buy on Amazon
Western Digital 10TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD103KFBX	10 TB	$509.99	$51.00	HDD · SATA	Prime	Buy on Amazon
Western Digital 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX	22 TB	$1,123.01	$51.05	HDD · SATA	Prime	Buy on Amazon
Western Digital WD Red Plus Internal Hard Drive 8TB CMR 3.5 inch SATA 5640 RPM 256MB NAS WD80EFPX-AJP Eco Package	8 TB	$418.67	$52.33	HDD · SATA	-	Buy on Amazon
Western Digital 2TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD20EFRXUsed	2 TB	$105.39	$52.70	HDD · SATA	-	Buy on Amazon
Western Digital 14TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" -WD142KFGX	14 TB	$750.13	$53.58	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 8Tb NAS Internal Hard Drive HDD – 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for Raid Network Attached Storage (ST8000VN0022),Silver	8 TB	$429.00	$53.63	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 10Tb NAS Internal Hard Drive HDD – 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for Raid Network Attached Storage (ST10000VN0004)	10 TB	$539.00	$53.90	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 10TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, with Rescue Service (ST10000VN0008)	10 TB	$544.45	$54.45	HDD · SATA	-	Buy on Amazon
Western Digital 24TB WD Red Pro NAS Internal Hard Drive HDD, 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD241KFGX	24 TB	$1,311.83	$54.66	HDD · SATA	Prime	Buy on Amazon
Toshiba N300 10TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG71AXZSTA	10 TB	$549.00	$54.90	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST4000VNZ08)Used	4 TB	$219.97	$54.99	HDD · SATA	-	Buy on Amazon
Western Digital 1TB WD Red Plus NAS Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 16 MB Cache, 2.5" - WD10JFCXUsed	1 TB	$55.00	$55.00	HDD · SATA	-	Buy on Amazon
Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFAX	8 TB	$439.99	$55.00	HDD · SATA	-	Buy on Amazon
Western Digital 26TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD260KFGX	26 TB	$1,429.99	$55.00	HDD · SATA	-	Buy on Amazon
Western Digital WD Red Plus Internal Hard Drive 6 TB CMR 3.5 Inch SATA 5400 rpm 256 MB NAS (Amazon.co.jp Limited)	6 TB	$343.70	$57.28	HDD · SATA	Prime	Buy on Amazon
Toshiba N300 12TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG51CXZSTA	12 TB	$689.88	$57.49	HDD · SATA	-	Buy on Amazon
WD Red Pro 16TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 512MB Cache	16 TB	$944.75	$59.05	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 10TB NAS Internal Hard Drive HDD –CMR 3.5 Inch SATA 6Gb/s 256MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST10000NEZ008)	10 TB	$594.45	$59.45	HDD · SATA	-	Buy on Amazon
IronWolf SATA III 3.5" Internal NAS Hard Drive, 4TB, 4-Pack	16 TB	$956.00	$59.75	HDD · SATA	-	Buy on Amazon
Toshiba N300 6TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 GB/s 7200 RPM 128 MB Cache - HDWN160XZSTA	6 TB	$359.90	$59.98	HDD · SATA	-	Buy on Amazon
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPX	4 TB	$244.00	$61.00	HDD · SATA	-	Buy on Amazon
IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 7200 RPM, 4TB, 2-Pack \| CMR Technology, Health Management, 3 Year Data Recovery Service, RAID, Media Production, AI Model Training	8 TB	$499.99	$62.50	HDD · SATA	-	Buy on Amazon
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFBX	12 TB	$789.00	$65.75	HDD · SATA	-	Buy on Amazon
BUFFALO LinkStation 210 2TB 1-Bay NAS Network Attached Storage with HDD Hard Drives Included NAS Storage that Works as Home Cloud or Network Storage Device for HomeUsed	2 TB	$132.43	$66.22	HDD · SATA	-	Buy on Amazon
Seagate 4TB IronWolf NAS SATA Hard Drive 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive for NAS Servers, Personal Cloud Storage (ST4000VN008), Silver	4 TB	$265.00	$66.25	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST4000NEZ01)	4 TB	$265.99	$66.50	HDD · SATA	-	Buy on Amazon
Western Digital 3TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD30EFPX	3 TB	$199.99	$66.66	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 6TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST6000VN0033)	6 TB	$399.99	$66.67	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro, 8 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST8000NT001)	8 TB	$539.00	$67.38	HDD · SATA	-	Buy on Amazon
Western Digital 6TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD60EFAX	6 TB	$409.90	$68.32	HDD · SATA	-	Buy on Amazon
Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST4000VNZ08)	4 TB	$277.58	$69.40	HDD · SATA	-	Buy on Amazon
Western Digital(WD) BLUE Deskptop 1TB( 1Terabyte) 3.5"Hard Disk Drive, 5400~7200RPM, SATA3 ( 6.0GB/s), 64MB Cache, IDEAL for PC/Mac/CCTV/NAS/DVR/Raid and SATA Applications, 1YR Warranty (Blue)Used	1 TB	$69.99	$69.99	HDD · SATA	-	Buy on Amazon
WD Red Plus 4TB NAS Hard Drive	4 TB	$285.00	$71.25	HDD · SATA	-	Buy on Amazon
WD Red 8TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD80EFZX	8 TB	$570.00	$71.25	HDD · SATA	-	Buy on Amazon
Seagate Pipeline HD ST3500312CS 500GB 5900RPM 8MB Cache SATA II 3.0Gb/s 3.5in Internal Hard Drive (PC, RAID, NAS, CCTV DVR) [Renewed] -w/1 Year WarranyRenewed	500 GB	$35.99	$71.98	HDD · SATA	-	Buy on Amazon
Western Digital WD Red Pro Internal Hard Drive 18 TB CMR 3.5 inch SATA 7200 RPM 512MB NAS WD181KFGX-AJP Eco Package	18 TB	$1,299.99	$72.22	HDD · SATA	-	Buy on Amazon
IronWolf SATA III 3.5" Internal NAS Hard Drive, 4TB, 2-Pack	8 TB	$581.59	$72.70	HDD · SATA	-	Buy on Amazon
Seagate IronWolf Pro 8TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST8000NEZ01)	8 TB	$594.45	$74.31	HDD · SATA	-	Buy on Amazon
BUFFALO LinkStation 210 2TB 1-Bay NAS Network Attached Storage with HDD Hard Drives Included NAS Storage that Works as Home Cloud or Network Storage Device for Home	2 TB	$153.99	$77.00	HDD · SATA	-	Buy on Amazon
Western Digital 2TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD20EFRX	2 TB	$158.10	$79.05	HDD · SATA	-	Buy on Amazon
Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFBX	8 TB	$639.99	$80.00	HDD · SATA	-	Buy on Amazon
WD Red Pro 2TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD2001FFSX (Renewed)Renewed	2 TB	$173.00	$86.50	HDD · SATA	-	Buy on Amazon
WD Red Pro 6TB 3.5-Inch SATA III 7200rpm 128MB Cache NAS Internal Hard Drive (WD6002FFWX)	6 TB	$531.45	$88.58	HDD · SATA	-	Buy on Amazon
Western Digital 1TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD10EFRXUsed	1 TB	$93.00	$93.00	HDD · SATA	-	Buy on Amazon
Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX)	4 TB	$444.45	$111.11	HDD · SATA	-	Buy on Amazon
Western Digital(WD) BLUE Deskptop 1TB( 1Terabyte) 3.5"Hard Disk Drive, 5400~7200RPM, SATA3 ( 6.0GB/s), 64MB Cache, IDEAL for PC/Mac/CCTV/NAS/DVR/Raid and SATA Applications, 1YR Warranty (Blue)	1 TB	$115.00	$115.00	HDD · SATA	-	Buy on Amazon
Western Digital 1TB WD Red Plus NAS Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 16 MB Cache, 2.5" - WD10JFCX	1 TB	$128.33	$128.33	HDD · SATA	-	Buy on Amazon
WD Red 1TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD10EFRX (Renewed)Renewed	1 TB	$145.00	$145.00	HDD · SATA	-	Buy on Amazon
Western Digital 1TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD10EFRX	1 TB	$170.00	$170.00	HDD · SATA	-	Buy on Amazon

Frequently asked questions

What is the best nas hard drive?

The best value nas hard drives are at the top of the table above, ranked by price per terabyte on Amazon.com and refreshed daily.

How do I find the cheapest nas hard drive?

Sort by price per terabyte, which the table does by default. The lowest cost per terabyte appears first.

Are prices up to date?

Yes. Prices refresh daily from Amazon.com, and the table re-ranks by price per terabyte each time.

Last updated: 2026-10-31 12:02:04 UTC. As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date indicated on Amazon.com and are subject to change. Any price displayed at the time of purchase will apply. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED AS IS AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.