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Dell T871K // ST9300603SS300GB 10K 2.5" 300 Gb SAS Hard Drive with Tray
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YJ0GR HUC106030CSS600 DELL 300GB 10K SFF 2.5 SAS HDD FOR R210 R310 R410 R910
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NetApp IBM HGST X425A-R6 108-00321 18R1085 1.2TB 10K SAS 2.5" HDD 0B28479
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HP 483095-001 160GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive
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Dell 300GB 2.5 6GB SAS 10K T871K Internal Hard Drive
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XK111 DELL 0XK111 146GB SAS 15K 3GBPS 3.5" HARD DRIVE W/TRAY MBA3147RC
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Dell Compatible T871K 0T871K 300GB 6G 10K 2.5" SAS THIRD PARTY HDD Hard Drive
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HP 483095-001 160GB SATA Drive Hot Plug 332650-003, 349029-001
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190FH 300GB 15000RPM SAS 2.5Inch Dell Hard Drive
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507631-001 HPE 500GB 7.2K 3G LFF SATA Hard Drive
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HGST 0B24502 600 GB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
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IBM 146GB, 10K RPM, FC - IC35L146F2DY10-0
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17R6358 HEWLETT-PACKARD 300.0GB 10000RPM HARD DRIVE
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08K0851 IBM 20GB 4200RPM HARD DRIVE FOR
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GY581 Dell Hard Drive GY581
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DELL
GY581 Dell Hard Drive GY581
  • Model #: 3G-003GDXGK4
Dell 7YX58 600GB 10K SAS 2.5" 6Gbps Hard Drive Seagate ST600MM0006
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Dell 8JYXK 1TB SATA 7.2K 6GBPS 3.5" Drive WD10EZEX-75WN4A0
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02RR9T 2RR9T ST900MM0006 Dell 900GB 10K RPM 6Gb/s 2.5" SAS SERVER HDD Hard Drive
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0CM318 Dell ST9146802SS SAVVIO 146GB 10K RPM 3Gbps 2.5"SAS SERVER HDD Hard Drive
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ST500DM002 Seagate 1BD142-541 DESKTOP 500GB 7200RPM 6Gbps 3.5"SATAHDD Hard Drive
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ST500LM000 Seagate 1EJ162 THIN 500GB 5.4KRPM 6Gb/s 2.5"SATA LaptopSSHD HardDrive
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9F6066-043 Dell 146GB 10K SAS 3G SFF Hard Drive
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HP 449979-001 160 GB Hard Drive - 3.5" Internal - SATA (SATA/300)
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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