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PGHJG Dell ST300MM0006 300GB 10K 6G 64MB 2.5"SAS SERVER HDD Hard Drive W/(0 HRS)
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IBM 42D0633 146GB 10000 RPM SAS 6Gb/s 2.5" Internal Hard Drive Bare Drive
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IBM 42D0633 146GB 10000 RPM SAS 6Gb/s 2.5" Internal Hard Drive Bare Drive
  • Average Latency: 6Gb/s
  • NAND Flash Memory Type: Hard Drive
  • Model #: 42D0633
0K20K Dell 4TB SATA 3.5" 7.2k 6Gbps Hot Plug Hard Drive 00K20K
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DELL
0K20K Dell 4TB SATA 3.5" 7.2k 6Gbps Hot Plug Hard Drive 00K20K
  • Model #: 0K20K-00K20K-WD4000FYYZ-dell-new-1
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  • $169.00 
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9XNF6 HUC101812CSS204 Dell 1.2TB 10000RPM 12Gbps 2.5" SAS SERVER HDD Hard Drive
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7YX58 ST600MM0006 Dell 600GB 10000RPM 6Gbps 2.5" SAS SERVER HDD Hard Drive
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  • $44.00 
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RC34W 0RC34W AL13SEB900 DELL 900GB 10K 6G SFF 2.5" SAS HARD DRIVE W/TRAY
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Hitachi GST Deskstar 7K1000 HDS721075KLA330 (0A35154) 750GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
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Hitachi GST Deskstar 7K1000 HDS721075KLA330 (0A35154) 750GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HDS721075KLA330
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  • $83.19 
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Hitachi GST Deskstar T7K500 HDT725050VLA360 (0A33437) 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
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Hitachi GST Deskstar T7K500 HDT725050VLA360 (0A33437) 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HDT725050VLA360
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  • $125.19 
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Hitachi GST Deskstar P7K500 HDP725032GLA360 (0A35411) 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
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  • $38.19 
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Hitachi GST Deskstar T7K500 HDT725040VLA360 (0A33439) 400GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
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Hitachi GST Deskstar T7K500 HDT725040VLA360 (0A33439) 400GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HDT725040VLA360
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  • $126.19 
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Maxtor MaXLine III 7L250R0 250GB 7200 RPM 16MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
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Maxtor MaXLine III 7L250R0 250GB 7200 RPM 16MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
  • Average Seek Time: 9ms
  • Average Latency: 4.17ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: 7L250R0
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  • $78.19 
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Hitachi GST Ultrastar 10K300 HUS103073FL3800 (08K2476) 74GB 10000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
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Hitachi GST Ultrastar 10K300 HUS103073FL3800 (08K2476) 74GB 10000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
  • Average Seek Time: 4.3ms
  • Average Latency: 2.99ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HUS103073FL3800
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  • $115.19 
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Fujitsu MAU3036NC 36.7GB 15000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
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Fujitsu MAU3036NC 36.7GB 15000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
  • Average Seek Time: 3.3ms
  • Average Write Time: 3.8ms
  • Average Latency: 2ms
  • Parts: 1 year limited
  • Model #: MAU3036NC
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  • $73.19 
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Dell 9HXK6 - Dell 12TB 3.5" Nearline SAS 7.2K 12Gb/s Solid State Drive
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DELL
Dell 9HXK6 - Dell 12TB 3.5" Nearline SAS 7.2K 12Gb/s Solid State Drive
  • NAND Flash Memory Type: SLC
  • Average Latency: 12Gb/s
  • Model #: 9HXK6
Hitachi GST Deskstar T7K250 HDT722525DLAT80 (0A30243) 250GB 7200 RPM 8MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
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Hitachi GST Deskstar T7K250 HDT722525DLAT80 (0A30243) 250GB 7200 RPM 8MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Average Latency: 4.17ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HDT722525DLAT80
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  • $158.00 
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Dell 400-AUWK - 12TB 3.5" Nearline SATA 7.2K 6Gb/s Hard Drive
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  • $674.09 
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HPE 1TB Internal Hard Drive - SATA/600 Controller - 2.5  Internal Drive - 7200rp
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  • $114.00 
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Dell 341-8718 146 GB Hard Drive - 3.5" Internal - SAS (3Gb/s SAS)
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  • $130.00 
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Hitachi GST Deskstar 7K1000.C HDS721025CLA382 (0F10379) 250GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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  • $35.00 
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Hitachi GST Deskstar 7K250 HDS722580VLSA80 (13G0252) 80GB 7200 RPM 8MB Cache SATA 1.5Gb/s 3.5" Hard Drive Bare Drive
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Hitachi GST Deskstar 7K250 HDS722580VLSA80 (13G0252) 80GB 7200 RPM 8MB Cache SATA 1.5Gb/s 3.5" Hard Drive Bare Drive
  • Average Seek Time: 8.8ms
  • Average Latency: 4.17ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HDS722580VLSA80
Dell CHEETAH 1DKVF ST3300657SS-H 146GB 15K RPM 6Gb/s 3.5" SAS SERVER Hard Drive
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  • $299.00 
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Fujitsu MAT3300NC 300GB 10000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
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Fujitsu MAT3300NC 300GB 10000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
  • Average Seek Time: 4.5ms
  • Average Write Time: 5.0ms
  • Average Latency: 2.99ms
  • Parts: 1 year limited
  • Model #: MAT3300NC
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  • $100.19 
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Hitachi GST Deskstar 7K250 HDS722525VLAT80 (08K0466) 250GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 3.5" Hard Drive Bare Drive
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Hitachi GST Deskstar 7K250 HDS722525VLAT80 (08K0466) 250GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 3.5" Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Average Latency: 4.17ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HDS722525VLAT80
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  • $135.19 
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Hitachi GST Ultrastar 15K147 HUS151473VLS300 (0B20875) 74GB 15000 RPM 16MB Cache Serial Attached SCSI (SAS) 3.5" Hard Drive Bare Drive
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Hitachi GST Ultrastar 15K147 HUS151473VLS300 (0B20875) 74GB 15000 RPM 16MB Cache Serial Attached SCSI (SAS) 3.5" Hard Drive Bare Drive
  • Average Seek Time: 3.6ms
  • Average Latency: 2ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HUS151473VLS300
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  • $121.19 
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Maxtor Atlas 15K II SAS 8K147S0 147GB 15000 RPM 16MB Cache Serial Attached SCSI (SAS) 3.5" Hard Drive Bare Drive
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Maxtor Atlas 15K II SAS 8K147S0 147GB 15000 RPM 16MB Cache Serial Attached SCSI (SAS) 3.5" Hard Drive Bare Drive
  • Average Seek Time: 3.4ms
  • Average Write Time: 3.8ms
  • Average Latency: 2ms
  • Parts: 1 year limited
  • Model #: 8K147S0
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  • $123.19 
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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