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Dell T871K 300GB 2.5 6Gb/s SAS - 10k RPM Internal Hard Drive
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740Y7 MBF2300RC Dell ENTERPRISE 300GB 10K RPM 6Gb/s 2.5" SAS SERVER Hard Drive
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Maxtor DiamondMax Plus 9 6Y080M0 80GB 7200 RPM 8MB Cache SATA 1.5Gb/s 3.5" Hard Drive Bare Drive
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Maxtor DiamondMax Plus 9 6Y080M0 80GB 7200 RPM 8MB Cache SATA 1.5Gb/s 3.5" Hard Drive Bare Drive
  • Average Seek Time: 9.3ms
  • Average Latency: 4.2ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: 6Y080M0
02RR9T 2RR9T ST900MM0006 Dell 900GB 10K RPM 6Gb/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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  • $44.00 
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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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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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W328K 0W328K Dell MBE2147RC 146GB 15K RPM 6Gb/s 2.5" SAS SERVER HDD Hard Drive
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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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Dell XX518 146 GB Hard Drive - 3.5" Internal - SAS (3Gb/s SAS)
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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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R749K ST3450857SS Dell 450GB 15K RPM 6Gb/s 3.5" SAS SERVER HDD Hard Drive
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WD1004FBYZ 1F0DG Dell ENTERPRISE 1TB 7.2K 6Gbps 128MB Cache 3.5" SATA Hard Drive
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  • $79.00 
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NWH7V Dell MK3001GRRB ENTERPRISE 300GB 15K RPM 6Gb/s 2.5" SAS HDD Hard Drive
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DELL ENTERPRISE ACCESSORIES 400-ALOB 2TB 3.5IN 7.2K NLSAS 12GBPS
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DELL
DELL ENTERPRISE ACCESSORIES 400-ALOB 2TB 3.5IN 7.2K NLSAS 12GBPS
  • NAND Flash Memory Type: SLC
  • Model #: 400-ALOB
Dell F617N 300GB 15000RPM 3.5" 6Gb/s SAS Hard Drive ST3300657SS
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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