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IBM 00AK374 600 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $160.00 
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HPE 873359-B21 400 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $440.00 
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833928-B21 HPE 4TB 7.2K 12Gbps 3.5" SAS Internal Hard Drive 834134-001
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  • $169.99 
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HPE 877788-B21 1.92 TB Solid State Drive - 2.5" Internal - SATA (SATA/600)
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  • $750.00 
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HPE 869386-B21 1.60 TB Solid State Drive - 2.5" Internal - SATA (SATA/600)
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  • $799.99 
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HPE 872374-B21 400 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $440.00 
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HPE 804631-B21 1.60 TB Solid State Drive - 2.5" Internal - SATA (SATA/600)
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  • $569.99 
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HPE 632494-B21 400 GB Solid State Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $289.99 
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HPE N9X96A 800 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $379.99 
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HPE 875311-B21 480 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $369.99 
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HPE 846434-B21 800 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $699.99 
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HPE 787336-001 400 GB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $325.00 
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HPE N9X92A 3.20 TB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $1,250.00 
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HPE 841502-001 2 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
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  • $199.99 
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HPE P06580-001 1.60 TB Solid State Drive - 2.5" Internal - SAS - Mixed Use
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  • $799.99 
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HPE P20839-001 1.60 TB Solid State Drive - 2.5" Internal - SAS - Mixed Use
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  • $750.00 
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P09907-001 HPE 480GB 6G SATA Mixed Use 2.5" SFF Smart Carrier SSD Drive
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  • $269.99 
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P09924-001 HPE 1.6TB SAS 12G 2.5" SFF Mixed Use Smart Carrier SSD Drive
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  • $389.99 
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HP 461137-B21 461289-001 1TB 7.2K 3G LFF 3.5" SAS HDD
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  • $40.00 
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HPE 861607-001 8 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
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  • $249.99 
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Lenovo 2 TB, 2.5", SATA HDD 2000GB Serial ATA III internal hard drive
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  • $249.00 
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HPE 858648-001 2 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $269.99 
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HPE 846610-001 Midline 6 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
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  • $299.99 
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Ibm 43W7633 1Tb 3.5? Sata 3Gb/S 7.2K 32Mb Server Hdd Hua721010kla330
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  • $145.00 
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HPE 870761-B21 900 GB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
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  • $325.00 
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44X2459 1TB 7200RPM SATA 3.5Inch IBM Hard Drive
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  • $110.00 
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81Y3862 500GB 7200RPM SATA 3.5Inch IBM Hard Drive
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  • $125.00 
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MB4000FCWDK HPE 4TB 7.2K 6G SAS DP Hard Drive
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  • $175.00 
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HPE K2P99A 600 GB Hard Drive - 2.5" Internal - SAS
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  • $220.00 
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44W2268 Ibm 44W2265 300Gb 10K 6G Sff 2.5 Sas Hdd Hard Drive
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  • $220.00 
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44W2268 IBM 44W2265 300GB 10K 6G SFF 2.5 SAS HDD HARD DRIVE
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  • $225.00 
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857642-001 HP G8-G10 8-TB 12G 7.2K 3.5 SAS Hard Drive
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  • $269.99 
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Hpe MB4000GVYZA 4TB 7.2K 6G LFF SATA Hard Drive
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  • $319.99 
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81Y9952 1TB 7200RPM SAS 2.5Inch IBM Hard Drive
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  • $345.00 
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820032-001 HP G8-G10 8-TB 12G 7.2K 3.5 SAS Hard Drive
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  • $395.00 
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HPE 872846-B21 900 GB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $475.00 
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81Y9758 IBM 3-TB 7.2K 3.5 6G SAS NL G2HS HD
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  • $199.90 
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ST1000VXA05 - Seagate 1TB 5900RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
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  • $99.99 
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ST4000NC000 Seagate TERASCALE 4TB 5.9K RPM 6Gb/s 3.5" SATA HDD Hard Drive
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  • $170.25 
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846608-001 HP G8-G10 6-TB 6G 7.2K 3.5 SATA Hard Drive
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  • $550.00 
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Lenovo 800 GB 2.5" Internal Solid State Drive
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  • $479.99 
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Dell 600GB 10K 2.5" SAS Enterprise Plus 6Gbs HDD (AL13SEB600)
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  • $59.00 
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Dell AL13SEB300 MTV7G 0MTV7G 300GB SAS 2.5" 10K Hard Drive W/ Tray
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  • $137.25 
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VGY1F 0VGY1F ST32000644NS DELL 2TB 7.2K 3G LFF 3.5" SATA HDD FOR T610 T620 T710
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  • $70.26 
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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