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400-AHJD 8TB 7.2K SAS 3.5" 12Gb/s 512e HARD DRIVE REPLACEMENT KIT
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  • $850.00 
EH0600JEDHE HPE 600GB 12G 15K LFF SAS Hard Drive
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M40TH 8TB 7.2K SAS 3.5" 12Gb/s 512e HARD DRIVE REPLACEMENT KIT
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  • $850.00 
KRDKK 8TB 7.2K SAS 3.5" 12Gb/s 512e HARD DRIVE REPLACEMENT KIT
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  • $850.00 
HPE 6 TB Hard Drive 3.5" Internal SAS 12Gb/s SAS R0Q58A
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400-ATKW 98GV2 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT
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  • $850.00 
400-AMPG 8TB 7.2K SAS 3.5" 12Gb/s 512e HARD DRIVE REPLACEMENT KIT
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  • $850.00 
400-BLBZ K2P5K 8TB 7.2K SAS 3.5" 12Gb/s 512e HARD DRIVE REPLACEMENT KIT
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  • $850.00 
400-BLCE M7FY9 8TB 7.2K SAS 3.5" 12Gb/s 512e HARD DRIVE REPLACEMENT KIT
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  • $850.00 
716649-001 HPE 900GB 10K 6G SFF SAS SC Hard Drive
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HHRYF 8TB 7.2K SAS 3.5" 12Gb/s 512e HARD DRIVE REPLACEMENT KIT
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  • $850.00 
400-AWIR X425Y 12TB 7.2K SAS 3.5" 12Gb/s HARD DRIVE UPGRADE KIT
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  • $950.00 
400-BHIX 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
Hitachi Deskstar 5K3000 HDS5C3015ALA632 1.50 TB 3.5" Internal Hard Drive
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  • $99.95 
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400-AUTD P05MG 12TB 7.2K SAS 3.5" 12Gb/s HARD DRIVE REPLACEMENT KIT
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  • $950.00 
400-BHIY 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BHJC 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
HPE C8R60B 900 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $21.00 
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HP 1 TB 3.5" Internal Hard Drive LFF 7.2K SAS 461289-001 461134-003 (461137-B21)
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  • $40.00 
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HPE 628059-B21 3 TB Hard Drive - 3.5" Internal - SATA (SATA/300)
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  • $102.00 
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400-BJLB 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BHJI 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BJKP 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BJKT 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BJKR 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BHIW 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BJKO 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BHJB 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BJKZ 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
Hp 461134-003 1Tb 7200Rpm 3.5Inch Dual Port Hot Swap Midline Sas Hard Disk Drive
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  • $40.00 
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400-BHIZ 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BHNT 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BJKX 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BJKY 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BHJH 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BHIV 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
HPE 3 TB 3.5" Internal Hard Drive - SAS - 7200 (797277-B21)
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  • $370.00 
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Hp 1000Gb 7200Rpm 3.5" Sas Server Hard Drive Mb1000bawjp Hp 461134-003 1Tb
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  • $40.00 
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HPE 707568-B21 300 GB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
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  • $102.00 
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HP 461137-B21 1Tb 7200Rpm 3.5Inch Sas Dual Port Hot Swap Midline Hard Drive With
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  • $40.00 
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400-BLBW 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BHJF 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
400-BJKS 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
707568-B21 516810-001 Hp 300Gb 15K Rpm 6G Lff 3.5" Sas Sc Dp Hard Drive
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  • $102.00 
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IBM 81Y9727 IBM 500GB 7.2K RPM 2.5 SATA 6GBPS SFF HS HARD DRIVE 81Y9727
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  • $375.00 
  • $12.99 Shipping
HP 3PAR M6710 900GB 6G SAS 10K 2.5IN FE HDD Hard Drive 750782-001 (C8R60B)
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  • $21.00 
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400-BHJD 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kii
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  • $1,000.00 
Mb1000famyu 3.5" 1Tb 7200Rpm Sas Hard Drive 507613-001 461289-001
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  • $40.00 
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707568-B21 516810-001 HP 300GB 15K RPM 6G LFF 3.5" SAS SC DP HARD DRIVE
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  • $102.00 
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707568-B21 533871-001 HP 300GB 15K RPM 6G LFF 3.5" SAS SC DP HARD DRIVE
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  • $102.00 
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St3300657ss, 3Sj, Pn 9Fl066-035, Fw Hpd2, Hp 300Gb Sas 3.5 Hard Drive
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  • $102.00 
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St3300657ss, 6Sj, Pn 9Fl066-035, Fw Hpd5, Hp 300Gb Sas 3.5 Hard Drive
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  • $102.00 
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750774-001 746843-001 HPE 900GB 10K 6G SFF 2.5" SAS HDD HARD DRIVE
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  • $21.00 
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Dell 1.92TB SSD SAS 12G 2.5" RI Hard Drive 086DD NNDN5 MZ-ILS1T9B
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  • $918.85 
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400-BJKN 16TB 7.2K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $1,000.00 
707568-B21 533871-001 Hp 300Gb 15K Rpm 6G Lff 3.5" Sas Sc Dp Hard Drive
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  • $102.00 
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816876-003 HPE 480GB 6G SFF SATA SSD HARD DRIVE (816876-003)
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  • $129.00 
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533871-001 700937-001 Hus156030vls60 Hp 300Gb 15K 6G Lff 3.5" Sas Sc Hard Drive
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  • $102.00 
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HPE 707568-B21 300 GB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
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  • $102.00 
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St3300657ss, 6Sj, Pn 9Fl066-035, Fw Hpd6, Hp 300Gb Sas 3.5 Hard Drive
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  • $102.00 
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750774-001 746843-001 HPE 900GB 10K 6G SFF 2.5" SAS HDD HARD DRIVE
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  • $21.00 
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872493-008 0 Hours  BULK HPE 4TB SATA 6G 7.2K LFF SC DS HDD
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  • $397.00 
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HPE MSA 84TB SAS 12G Midline 7.2K LFF (3.5in) M2 1yr Wty 6-pack HDD Bundle
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  • $2,843.00 
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NOB 6TB HP SAS 7.2K RPM LFF 12Gbs MDL 3.5 Hot-Swap Internal Hard Drive N9X12A
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  • $304.00 
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HP 801886-B21 3TB 6G SATA 7.2K RPM LFF 3.5 NHP - 628183-001, 628065-B21
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  • $153.00 
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HPE 480937-001 146 GB Hard Drive - 3.5" Internal - SAS
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  • $249.99 
  • $5.99 Shipping
ibm- xseries storage 49y1856 300gb sas 15000 rpm 6gb 3.5in hdd
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  • $350.00 
  • $12.99 Shipping
mb0500gcehe hpe 500gb 7.2k 6g mdl lff sata sc hard drive
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  • $135.00 
  • $5.99 Shipping
Lenovo 300GB Hard Drive 00WG675
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  • $249.99 
  • $5.99 Shipping
IBM 81Y9790 internal hard drive 3.5" 1000 GB Serial ATA III
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  • $220.00 
  • $5.99 Shipping
HPE 461137-B21 1 TB Hard Drive - 3.5" Internal - SAS
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  • $40.00 
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Lenovo 7XB7A00024 HDD 300GB SAS internal hard drive
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  • $235.00 
  • $5.99 Shipping
IBM 81Y9806 internal hard drive 3.5" 1000 GB Serial ATA III
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  • $249.99 
  • $5.99 Shipping
Lenovo 900 GB 2.5" Internal Hard Drive
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  • $280.00 
  • $12.99 Shipping
lenovo 2 tb 3.5" internal hard drive 00mj125
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  • $269.99 
  • $12.99 Shipping
HPE 3 TB 3.5" Internal Hard Drive SAS 7200 797525-001 (797277-B21)
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  • $370.00 
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Desktop internal hard drives store operating systems, system files, software and individual files. They can offer anywhere from 500GB of storage up to 8TB or more and come with a variety of interfaces. Although most internal drives are 3.5in., some devices use a smaller 2.5in. form factor. Smaller and larger physical sizes are rare but do exist. Also, consider the speed of the drive. Internal hard drives for desktop computers tend to run at 7,200 revolutions per minute (RPM) but faster read-write speeds minimize waiting time. Hard drives with speeds of up to 15,000 RPM are available. Finally, memory cache is the amount of memory that can be active at any given time. A larger cache is important if you work with multiple large files at once.

Improve Your Computer's Performance with a New Hard Drive

You might not be concerned about storage space when you buy a new PC, but the hard drive will fill will with files and software. A new desktop internal hard drive can replace an existing drive that has reached maximum capacity. Alternatively, if your motherboard has a spare bay, you can add a second or additional device to expand storage. An internal HDD for PCs is easy to install, has greater capacity and speed than an external device and comes with multiple storage options.

Store All Your Data with Large Capacity Drives

Every piece of software you install, every song you save, every video you download takes up storage space, which can slow down a computer. A 720p movie takes up approximately 8GB, while a 4k video can consume as much as 100GB of a desktop internal hard drive. Even the Windows 10 operating system requires 15GB. A 500GB hard drive can be useful for storing files while you're on the move before transferring them to a larger drive if you don't have a personal cloud device or portable hard drive. For everyday and ongoing storage, this size drive will quickly fill up. Desktop internal hard drives offer the storage of up to 16TB in some cases, providing plenty of space for software and files.

Ensure Compatibility by Choosing the Right Interface

The most commonly used standards for connecting a desktop internal hard drive to a motherboard are SATA and SAS. Determine the motherboard's interface and ensure that you match this when buying a new drive to ensure compatibility and to avoid having to use an adapter. Check the label off the drive you are replacing or look at the manufacturer guidelines for your motherboard.

Access Data Quicker with a Fast SATA Internal Hard Drive

The speed the disk platters spin determines how quickly information can be retrieved from the drive. It is common for external hard drives to have a speed of 5,000 RPM because this draws less power and makes minimal noise. Other hard drive designs have a speed of up to 15,000 RPM, depending on the model.

Bestselling Desktop Internal Hard Drives Reviews:

the Muttonmastwer
5/11/2026 11:18:09 AM
Hasn't broken yet

“ I have it attached via USB on my desktop and it has all my work on it, safe from Windoze crash damage or erasure on OS re-installs. ”

WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX