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WD Red Pro 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - WD161KFGX
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WD Red Pro 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - WD161KFGX

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  • Brand: WD
  • Series: Red Pro
  • Capacity: 16TB
  • RPM: 7200 RPM
  • Model #: WD161KFGX
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1DA200-150 Dell 1.2TB 10K SAS 6G SFF Hard Drive
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WD9001BKHG-18D22V1 Dell 900GB 10K SAS 6G SFF Hard Drive
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1FF200-151 Dell 1.2TB 10K SAS 12G SFF Hard Drive
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0B28470 Dell 1.2TB 10K SAS 6G SFF Hard Drive
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Dell 400-ALNY Hard Drives
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DELL
Dell 400-ALNY Hard Drives
  • Average Latency: 12Gb/s
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 400-ALNY
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HPE 876936-002 1.2 TB Enterprise Hard drive - 2.5" Internal - SAS 12Gb/s New F/s
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IBM 49Y6003 4Tb 7200Rpm Sata 6Gbps 3.5Inch Nl G2 Hot Swap Hard Disk Drive With Tray
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HDEPQ03D0A51 Dell 1TB 7.2K SATA 6G LFF Hard Drive
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ST6000NM0034 1HT27Z-155 Lenovo 6TB 7.2K RPM 12Gb NL G2HS 3.5" SAS HDD Hard Drive
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  • $425.00 
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9SM260-150 Dell 3TB 7.2K SAS 6G LFF Hard Drive
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9FM066-150 Dell 450GB 15K SAS 6G LFF Hard Drive
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IBM 02PX539 02YC027 02PX742 V5000 2.4TB 10k 12GB 2.5" SAS Hard Drive
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Dell 1.8TB 10K 12Gbps SAS 2.5 HDD 512e (0WRRF) New
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HP 655710-B21 656108-001 1TB 6G SATA 7.2K 2.5 SC MDL HDD G8/9
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300GB SAS 2.5" 15K 6G Drive Compatible 400-AESP 400-AEEI
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Dell 400-AKIH - Dell 6TB 3.5" SAS 7.2K 12Gb/s Hard Drive
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DELL
Dell 400-AKIH - Dell 6TB 3.5" SAS 7.2K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 400-AKIH
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1.8TB SAS 2.5" 10K 12G Hard Drive Compatible GP3FR
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LOT OF 10-Seagate ST2000NM0033 9ZM175 2TB 7.2K RPM 6Gb/s 3.5"SATA HDD Hard Drive
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  • $900.00 
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1TB SAS 3.5" 7.2K 12G Drive Compatible 400-ALQF 400-ALUS
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LOT OF 10-7T0DW ST9600204SS Dell 600GB 10KRPM 6Gb/s SAS 2.5"SERVER HDD HardDrive
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  • $440.00 
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Dell 400-AVVJ - Dell 300GB 2.5" SAS 15K 12Gb/s Hard Drive
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DELL
Dell 400-AVVJ - Dell 300GB 2.5" SAS 15K 12Gb/s Hard Drive
  • Average Latency: 3Gb/s
  • Model #: 400-ANVL
HP 656107-001 655708-B21 500GB 7.2K 6G 2.5" SATA HDD ST9500620NS G8 SERVER
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  • $67.00 
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3TB SAS 3.5" 7.2K 6G Drive Compatible 342-2336 342-3515
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Axiom 1TB 6Gb/s SATA 7.2K RPM SFF Hot-Swap HDD for HP - 655710-B21, 656108-001
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  • $98.00 
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HP 507125-B21 146GB 6G PLUG SAS 10K SFF HP (507125B21) (Renewed)
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  • $49.00 
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LOT OF 10 - HP 718292-001 718162-B21 1.2TB 10K RPM 6Gb/s 2.5" SAS Hard Drive
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  • $610.10 
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1V4207-150 Dell 4TB 7.2K SAS 12G LFF Hard Drive
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Western Digital Ultrastar DC HC310 HUS726T4TALE6L4-0B36040 4TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
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  • $399.45 
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Dell RMCP3 1.2TB 10k RPM 2.5" 64MB SAS-6Gb/s HDD
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H8X3X Dell 960GB SAS 2.5" 12G RI SSD G14-G16 Solid State Drive KPM5XRUG960G
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  • $575.00 
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300GB SAS 2.5" 15K 12G Drive Compatible 400-ATII 400-AEEH
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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