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FW956 0FW956 DELL ST3300555SS 300GB 15K RPM 3Gb/s 3.5" SAS HARD DRIVE W/R Tray
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Dell H962F WD2502ABYS 250GB 7.2K RPM 3Gb/s 3.5" SATA HDD Hard Drive - (0 HOURS)
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Dell XX518 146 GB Hard Drive - 3.5" Internal - SAS (3Gb/s SAS)
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ST3600057SS W347K Dell 600GB 15K RPM 6Gb/s 3.5" SAS HARD DRIVE - (ZERO HOURS)
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  • $131.95 
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0J8090 J8090 DELL 73GB 15K RPM 3Gb/s 3.5" SAS SERVER HDD HARD DRIVE ST373454SS
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  • $50.88 
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FNW88 ST1000NM0023 Dell 1TB 7.2K RPM 6Gb/s 3.5" SAS Hard Drive W/ZERO HOURS
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  • $60.00 
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Dell T871K 300GB 2.5 6Gb/s SAS - 10k RPM Internal Hard Drive
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IBM 49Y1856 300 GB 3.5" Internal Hard Drive
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4GN49 04GN49 Dell AL13SXB300N 300GB 15K RPM 6Gb/s 2.5" SAS ENTERPRISE Hard Drive
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Dell F617N 300GB 15000RPM 3.5" 6Gb/s SAS Hard Drive ST3300657SS
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W330K HUC151414CSS600 Dell 146GB 15K RPM 6Gb/s 2.5" SAS HDD Hard Drive W/R Tray
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  • $48.00 
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FR6W6 ST1200MM0198 Dell 1.2TB 10K RPM 12Gb/s 2.5" SAS SERVER Hard Drive W/R Tray
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H8DVC ST9300653SS Dell 300GB 15K RPM 6Gb/s 2.5" SAS Hard Drive - (ZERO HOURS)
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  • $94.00 
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89TH4 ST9146752SS Dell 146GB 15K RPM 6Gb/s SFF 2.5" SAS SERVER HDD Hard Drive
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FVX7C 0FVX7C Dell ST2000NX0433 2TB 7.2K RPM 12Gb/s 2.5"SAS SERVER HDD Hard Drive
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PGHJG ST300MM0006 Dell 300GB 10K RPM 6Gb/s 2.5" SAS Hard Drive W/(ZERO HOURS)
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02RR9T 2RR9T ST900MM0006 Dell 900GB 10K RPM 6Gb/s 2.5" SAS SERVER HDD Hard Drive
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Dell D3YV6 1TB 7200RPM 6Gb/s 32MB 3.5" SATA Hard Drive MG03ACA100
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T4XNN 0T4XNN DELL ST1000NM0033 1TB 7.2K RPM 6Gb/s 3.5"SATA SERVER HDD Hard Drive
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0FH00J Dell ST320LM001 320GB 5.4K RPM 6Gb/s 2.5" SATA HDD Hard Drive
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0-HOURS V8FCR WD1003FBYX Dell 1TB 7.2K RPM 3Gb/s 3.5" SATA SERVER HDD Hard Drive
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Dell HT953 15000 RPM SAS 3Gb/s 3.5 Inch Hard Drive with Tray.
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ST3600057SS 600GB 15K RPM 6Gb/s 3.5" SAS Hard Drive  for Dell T20 T100 T105 T110
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  • $121.95 
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Dell XX518 ST3146356SS 146GB 15K RPM 3Gb/s 3.5" SAS HDD Hard Drive - (0 HOURS)
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XK111 MBA3147RC Dell 146GB 15K RPM 3Gb/s 3.5" SAS HDD Hard Drive W/ZERO HOURS
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  • $49.88 
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F617N Dell ST3300657SS 15K.7 300GB 15K RPM 6Gb/s 3.5" SAS Hard Drive - (0 HRS)
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67TMT 067TMT Dell ST2000NM0001 2TB 7.2K RPM 6Gb/s 3.5" SAS SERVER HDD Hard Drive
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YP778 0YP778 Dell 300GB 15K RPM 3Gb/s 3.5" SAS Hard Drive ST3300656SS
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YP778 0YP778 Dell 300GB 15K RPM 3Gb/s 3.5" SAS Hard Drive ST3300656SS
  • Model #: YP778-0YP778-ST3300656SS-dell-new-ATP
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  • $79.88 
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R749K ST3450857SS Dell 450GB 15K RPM 6Gb/s 3.5" SAS SERVER HDD Hard Drive
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740YX Dell ST1000NM0001 1TB 7.2K RPM 6Gb/s 3.5" SAS HDD Hard Drive W/ZERO HOURS
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R7FKF ST2000NM0005 DELL HDD V4 2TB 7.2K RPM 12Gb/s 3.5"SAS SERVER HDD Hard Drive
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H8799 0H8799 Dell MAX3073RC 73GB 15K RPM 3Gb/s 3.5" SAS SERVER HDD Hard Drive
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DELL 4GN49 - Dell 300GB 15K SAS 2.5 6Gb/s Hard Drive with R Tray
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Dell T871K 300GB 2.5 6Gb/s SAS - 10k RPM Internal Hard Drive
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Dell T871K 300GB 2.5 6Gb/s SAS - 10k RPM Internal Hard Drive
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DELL T871K DELL 300GB 10K RPM 2.5 SAS HARD DRIVE with R Series Tray
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WD1004FBYZ 1F0DG Dell ENTERPRISE 1TB 7.2K 6Gbps 128MB Cache 3.5" SATA Hard Drive
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NWH7V Dell MK3001GRRB ENTERPRISE 300GB 15K RPM 6Gb/s 2.5" SAS HDD Hard Drive
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X162K ST9146852SS Dell 146GB 15KRPM 6Gb/s 2.5"SAS SERVER HDD Hard Drive W/R Tray
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ST9146853SS Dell SAVVIO 15K.3 146GB 15K RPM 6Gbps 2.5" SAS Hard Drive W/R Tray
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9W5WV Dell ST91000640SS CONSTELLATION 1TB 7.2K RPM 6Gbps 2.5"Hard Drive W/R Tray
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G89MD ST500LM034 Dell 500GB 7.2K 6Gb/s 2.5" SATA LAPTOP HDD Hard Drive - 0 HOURS
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2G4HM WD2003FYYS-18W0B0 Dell 2TB 7200RPM 3Gbps 3.5" SATA Hard Drive
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DELL
2G4HM WD2003FYYS-18W0B0 Dell 2TB 7200RPM 3Gbps 3.5" SATA Hard Drive
  • Model #: 2G4HM-dell-WD2003FYYS-18W0B0-new-zerohrs
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  • $79.00 
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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