Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Best Choice WD 
Western Digital WD Red Plus 4TB 3.5" NAS HDD SATA III NAS Hard Drive 5400 RPM 256MB Cache 180MB/S 1mil Hours MTBF 180TB/ Available in capacities ranging from 1-14TB(1) with support for up to 8 bays | (1) 1MB = 1 million bytes, 1GB = 1 billioSeagate 
Seagate IronWolf 8TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached St IronWolf internal hard drives are the ideal solution for up to 8-bay, multi-user NAS environments craving powerhouse perBest Value WD 
Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFG Available in capacities ranging from 1-14TB with support for up to 8 bays.Data Transfer Rate:6Gbps.Specific uses: BusineSeagate 
Seagate Barracuda 8TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frus Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drivesSeagate 
Seagate IronWolf Pro 20TB NAS Internal Hard Drive HDD 3.5" 7200RPM CMR 256MB Cache SATA 6GB/S Includes Data Rescue Servi Powerful: All IronWolf Pro hard drives use Conventional Magnetic Recording (CMR) for consistent, premium performance inWD 
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFG Available in capacities ranging from 1-14TB with support for up to 8 bays.Data Transfer Rate:6Gbps.Specific uses: BusineWestern Digital 
Western Digital WD RedPlus Internal HDD 4TB CMR 3.5 Inch SATA Cache 128MB 5400rpm NAS Compatible WD40EFZZ-AJP Eco Packag WD Western Digital 8TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD8005FFBX Available in capacities ranging from 2 to 24TB(1) | (1) 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user caGeneric ST8000DM004 Barracuda (8TB HDD 3.5 inch SATA 6G 256MB) Build a Powerhouse Gaming Computer or Desktop Setup with a Variety of Capacities and form Factors.WD Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX Available in capacities ranging from 1-14TB with support for up to 8 bays | As used for storage capacity, 1GB = 1 billioWD Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ Reliable everyday computingSeagate Seagate Ironwolf Serial ATA III 4000 GB Internal Hard Drive 3.5 Inch Size Multi-user technology for increased user workload ratesWD WD Blue 8TB 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 256MB Cache, 2 Year Warranty Reliable everyday computingWD Western Digital WD 16TB HDD Ultrastar DC HC550 SATA 7200RPM 3.5" Enterprise Hard Drive - WUH721816ALE6L4 (Renewed) 16TB capacity in a standard 3.5" form factor10% Off Seagate Seagate internal hard disk 3.5 inches 8TB PC users BarraCuda (SATA 6Gb / s / 5400rpm / 2-year warranty) regular agency g Seagate Seagate Barracuda 16TB Internal Hard Drive, 7200 U/Min, 512MB Cache, SATA 6Gb/s, 3.5" (ST16000DM001) Proven reliability of BarraCuda internal hard drives means more space to store your materials, faster processing and morウエスタンデジタル(Western Digital) Western Digital WD Blue Internal HDD 4TB CMR 3.5 Inch SATA Cache 128MB 5400rpm WD40EZZX-AJP Eco Package Western Digital DC HC580 22TB 512MB SATA 512E SE NP3 0829686008854Seagate Seagate Skyhawk 4TB Internal Hard Drive HDD Video Recording up to 64 Cameras 3.5 Inch 64MB Cache SATA 6Gb/s Silver FFP I Amazon ExclusiveSeagate Seagate Barracuda 5 TB 2.5 inch Internal Hard Drive (15 mm Form Factor, 128 MB Cache, SATA 6 GB/s up to 140 MB/s) Rock-solid reliability built on over 20 years of BarraCuda innovationWD Western Digital 10TB Elements Desktop Hard Drive, WDBBKG0100HBK-AESN (Australian Version), Black Product Type: Computer Drive Or Storage UK POWER PLUGWestern Digital Western Digital WD 16TB HDD Ultrastar DC HC550 SATA 7200RPM 3.5" Enterprise Hard Drive - WUH721816ALE6L4 (Renewed) 16TB capacity in a standard 3.5" form factorSeagate Seagate IronWolf 8TB NAS Internal Hard Drive HDD 3.5 Inch 5400 RPM 256 MB Cache SATA 6 Gb/s Silver incl. Data Rescue Ser The IonWolf ST8000VN002 is very quiet at 25 dBA and works extremely energy efficient with its 4 W idle and 5.3 W in operHGST HGST Ultrastar 7K4000 3Tb SAS 3.5-Inch Internal Hard Drive (Renewed) Storage Capacity: 3 TBWestern Digital WD Ultrastar WD HC520 12TB *SAS* 3.5" 12Gb/s 7200 RPM 4KN HDD HUH721212AL4200 (Renewed) ⚠️ IMPORTANT NOTICE ⚠️ This hard drive uses a SAS (Serial Attached SCSI) interface, NOT SATA. It requires a SAS controllWD Western Digital 10TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD100EAGZ Reliable everyday computing16% Off DELL Dell EMC Toshiba MG08SCA16TEY 16TB *SAS* 7.2K RPM 512e 3.5" HDD (Renewed) Dell EMC Toshiba MG08SCA16TEY 16TB *SAS* 7.2K RPM 512e 3.5" HDD (Renewed)Seagate Seagate IronWolf Pro 16TB NAS Internal Hard Drive HDD 3.5" 7200RPM CMR 256MB Cache SATA 6GB/S Includes Data Rescue Servi Powerful: All IronWolf Pro hard drives use Conventional Magnetic Recording (CMR) for consistent, premium performance inHPE HP Hewlett Packard Enterprise (HPE) 14TB 7200rpm 3.5in SAS 12Gbps HDD (renewed) Hewlett Packard Enterprise (HPE) 14TB 7200rpm 3.5in SAS 12Gbps HDD (renewed)Seagate Seagate Ironwolf 3.5" ST8000VN002-TD RV Sensor for PC NAS (Amazon.co.jp Exclusive) 8TB Internal HDD (CMR) 3 Year 6 Month [Limited] In addition to the standard manufacturer warranty period, we provide a 6 month agent warrantySeagate Seagate IronWolf Pro 8TB NAS Internal Hard Drive HDD 3.5" 7200RPM CMR 256MB Cache SATA 6GB/S Includes Data Rescue Servic Powerful: All IronWolf Pro hard drives use Conventional Magnetic Recording (CMR) for consistent, premium performance inWD Western Digital WD Purple Pro 8TB 3.5" Surveillance HDD 7200RPM 256MB SATA3 245MB/s 550TBW 24x7 64 Cameras AV NVR DVR 2. Up to 24TB (1) capacity | (1) 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environSeagate Seagate IronWolf 10TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attach IronWolf internal hard drives are the ideal solution for up to 8-bay, multi-user NAS environments craving powerhouse perSeagate Seagate Exos X22 22TB Internal Server Hard Drive ST22000NM00C 3.5" HDD SATA 6Gb/s 512E SED 7200RPM 512MB Cache (Refurbis Scalable: Maximize your storage solution with a MTBF value of 2.5 million hours and FastFormat support for multiple inteWD Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ Engineered for mainstream surveillance systemsTOSHIBA Toshiba 1TB 5400RPM 8MB Cache SATA 3.0Gb/s 2.5 inch PS3/PS4 Hard Drive - 3 Year Warranty 1TB Capacity, 9.5mm High, Rotation Speed of 5400RPMWD Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ Engineered for mainstream surveillance systemsSeagate Seagate Exos 20TB 7.2K RPM 3.5inch SATA 6Gb/s Enterprise HDD ST20000NM002C (Renewed) Seagate Exos 20TB 7.2K 3.5'' SATA 6Gb/s Enterprise HDD ST20000NM002C RecertifiedSeagate Seagate DELL EMC x16 16TB *SAS* 3.5" 7200 RPM 4KN HDD ST16000NM010G (Renewed) Seagate DELL EMC x16 16TB *SAS* 3.5" 7200 RPM 4KN HDD ST16000NM010G (Renewed)SP Silicon Power Silicon Power Ace A55 1TB SATA SSD, Up to 500MB/s, 3D NAND with SLC Cache, 2.5 Inch SATA III 6Gb/s Internal Solid State VERSATILITY: Designed for content creators, DIY system builders, and everyday users who are looking to upgrade their PCSeagate Seagate Barracuda 2TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC – Frust Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drivesEdiloca 1TB SSD Internal Solid State Drive 2.5" SATA III 6Gb/s, 550MB/s Read Speed 3D TLC NAND, 1TB SATA SSD PC/Laptop Upgrade, 【High-Speed Performance Upgrade】Achieve blazing-fast speeds of 550MB/s read and 500MB/s write with EDILOCA 2.5" SATA IIIWD Western Digital Hard Drive, 2 TB, SATA3, 128 MB, 24/7, Red/Silver/Black Available in capacities ranging from 1-14TB with support for up to 8 baysHitachi HGST 4tb 7.2k SATA 6gb/s Hard Disk Drive 0F19459 Hus724040ala ISILON Caddy (Renewed) Massive Storage Capacity: 4TB of storage for high-performance computing, data centers, and large file storage needsSeagate Seagate Ironwolf Pro Serial ATA III 22000 GB Internal Hard Drive, 3.5 Inch Size Full-track multiple-sector transfer capability without local processor interventionWD Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ Engineered specifically for surveillance security systems.Seagate Seagate IronWolf Pro 12TB NAS Internal Hard Drive HDD 3.5" 7200RPM CMR 256MB Cache SATA 6GB/S Includes Data Rescue Servi Powerful: All IronWolf Pro hard drives use Conventional Magnetic Recording (CMR) for consistent, premium performance inWestern Digital Western Digital WD Red Plus Internal Hard Drive 6 TB CMR 3.5 Inch SATA 5400 RPM 256 MB NAS (Amazon.co.jp Limited) Capacity : 6TBWD Western Digital 10TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102FZB Desktop performance gaming hard driveHitachi HGST 4tb 7.2k SATA 6gb/s Hard Disk Drive 0F19459 Hus724040ala ISILON Caddy (Renewed) 4TB Storage Capacity: Offers ample space for storing large volumes of data, perfect for enterprise-level storage needs.Seagate Seagate 1TB 2.5 inch HDD - 5400rpm - for PS3, PS4, Laptops, CCTV, Gaming Desktop PCs, iMacs and Macbooks - 1000GB Hard D 1TB 2.5" Hard Disk DriveSeagate Seagate Skyhawk 2TB, Interne Harde Schijf, 3.5", voor DVR/NVR-bewakingscamerasysteem, voor Video-opslag, SATA 6 GB/s, 25 Built faster for video DVR and NVR security camera systems, SkyHawk delivers video-optimized storageWD Western Digital WD Black 4TB 3.5" HDD SATA 6gb/s WD4006FZBX CMR Tech for Hi-Res Video Games 5yrs Wty Desktop performance gaming hard driveWD WD Red Pro 24TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache Optimized for NAS with NASware Western Digital’s exclusive NASware technology fine tunes drive parameters to match NAS sTOSHIBA Toshiba 16TB Enterprise Internal Hard Drive – MG Series 3.5" SATA HDD for Server, Storage, 24/7 Operation, Hyperscale, C 3.5" SATA Hard DriveTOSHIBA Toshiba 1TB 5400RPM 128MB Cache SATA 6Gb/s (7mm) 2.5in Internal Gaming PS3/PS4 Hard Drive - 3 Year Warranty 1TB Capacity, 7mm High, Rotation Speed of 5400RPMTOSHIBA Toshiba MQ01ABD032 320GB SATA 3GB/s 5400RPM 2.5 Inch 9.5mm Internal Hard Drive Capacity - 320 GBWestern Digital Western Digital Black 500GB Internal HDD 7200 RPM 2.5" WD5000LPLX (Renewed) High-Speed Performance: 7200 RPM rotational speed for faster data access and reduced load timesSeagate Seagate IronWolf Pro, NAS, 3.5" HDD, 20TB, SATA 6Gb/s, 7200RPM, 256MB Cache, 5 Years or 2.5M Hours MTBF Warranty High Performance: All-CMR (conventional magnetic recording) portfolio enables consistent, industry-leading 24×7 performaSynology Synology Plus Series 6TB, HAT3300-6T HDD, 3.5" Internal SATA 6 Gb/s 5400RPM Hard Disk Drive, 3 Year Warranty Reliable hard drives purpose-built for Synology systems in home and small office environmentsWD Western Digital 1TB WD Black Performance Mobile Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 64 MB Cache, 2.5" - WD10SPSX Specifically designed for small form factor desktops laptops and Mac computersEdiloca Ediloca 512GB SSD Internal Solid State Drive, 2.5" SATA III 6Gb/s, Up to 560MB/s Read Speed, 3D NAND Flash, Shock Drop-P 【High-speed performance upgrade, goodbye to lag】Experience lightning-fast read speeds of up to 560MB/s and write speedsSeagate Seagate Exos X24 16TB Enterprise Internal Hard Drive HDD - 6GB/s SAS 7200RPM 2.5M MTBF (ST16000NM002H) SCALABLE: Run big data applications to meet hyperscale demandsSeagate Seagate Barracuda 1TB Internal Hard Drive HDD – 2.5 Inch SATA 6 Gb/s 5400 RPM 128MB Cache for PC Laptop – Frustration Fr The BarraCuda mobile internal hard drive is the go-to upgrade for on-the-go computing thanks to big capacity in a smallHitachi HGST 4tb 7.2k SATA 6gb/s Hard Disk Drive 0F19459 Hus724040ala ISILON Caddy (Renewed) 4TB Storage Capacity: Offers ample space for storing large volumes of data, perfect for enterprise-level storage needs.Hitachi HGST 4tb 7.2k SATA 6gb/s Hard Disk Drive 0F19459 Hus724040ala ISILON Caddy (Renewed) 4TB Storage Capacity: Offers ample space for storing large volumes of data, perfect for enterprise-level storage needs.Seagate Seagate IronWolf Pro, NAS, 3.5" HDD, 4TB, SATA 6Gb/s, 7200RPM, 256MB Cache, 5 Years or 2M Hours MTBF Warranty High Performance: All-CMR (conventional magnetic recording) portfolio enables consistent, industry-leading 24×7 performaSeagate Seagate Exos X24 24TB Enterprise Internal Hard Drive HDD - 6GB/s SATA 7200RPM 2.5M MTBF (ST24000NM002H) SCALABLE: Run big data applications to meet hyperscale demandsTOSHIBA Toshiba MQ01ABD MQ01ABD100 1 TB 2.5 Internal Hard Drive - Bulk HDKBB96 Toshiba's MQ01ABD series offers capacity up to 1TB storage capacity using 500GB per platterWestern Digital Western Digital Gold 18TB 3.5" Enterprise Class SATA 6 Gb/s HDD 7200 RPM Cache Size 512MB 5-Year Limited Warranty Product Type: Computer Drive Or StorageSeagate Seagate IronWolf 16TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for Raid Network Attach Ironwolf internal Hard drives are the ideal solution for up to 8-Bay, multi-user NAS environments craving powerhouse perSeagate Seagate FireCuda NB SSHD, 2.5", 2TB, SATA 6Gb/s, 7mm, 5Yr Item Package Dimension: 11.1L x 5.12W x 2.48H inchesTOSHIBA Toshiba 22TB Enterprise Internal Hard Drive – MG Series 3.5" SATA HDD for Server, Storage, 24/7 Operation, Hyperscale, C Ultra-High Capacity: Boasting an incredible 22TB of storage, this drive provides extensive space for vast datasets, multTOSHIBA Toshiba MG09 Internal Hard Drive 14 TB 7200 RPM 3.5" Serial ATA III internal hard drive 14 TB 7200 RPMSeagate Seagate 500 GB Pipeline HD SATA 3Gb/s NCQ 8MB Cache 3.5-Inch Internal Bare Drive (ST3500312CS) Best-Fit Applications include DVR and media center applications, Low-power appliances and devices, Home theater PC, IPTV15% Off Seagate Seagate FireCuda HDD, 4 TB, Internal Hard Drive HDD - 3.5 Inch CMR SATA 6 Gb/s 7,200 RPM 256 MB Cache 300 TB/Year, 3 Yea Amazon ExclusiveSeagate Seagate Momentus Thin 5400.9 500 GB Internal 5400 RPM 2.5" Hard Drive (Renewed) Momentous Thin hard drives offer feature-rich, slim, lightweight style at price and capacity points that enable no-comprGernie gernie Internal Hard Drive for Xbox 360 Slim, Low Noise Thin Internal HDD Hard Drive Disk Disc for Xbox 360 Slim, Compac Enhanced Gaming Experience: Extends storage capacity, significantly reducing game loading times for faster, smoother gamgernie gernie Internal Hard Drive for Xbox 360 Slim, Low Noise Thin Internal HDD Hard Drive Disk Disc for Xbox 360 Slim, Compac Enhanced Gaming Experience: Extends storage capacity, significantly reducing game loading times for smoother gameplayWestern Digital HGST Ultrastar 7K4000 HUS724040ALS640 Hard Drive - Internal (0B26885) 2.0 million hours mtbf