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Fujitsu Mhy2160bh 160Gb 5400Rpm 8Mb Buffer 2.5Inch Sata Notebook Hard Drive
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  • $48.20
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  • $48.19 
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Dell YJ2KH - Dell 300GB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell YJ2KH - Dell 300GB 2.5" SAS 10K 12Gb/s Hard Drive
  • NAND Flash Memory Type: SLC
  • Average Latency: 6Gb/s
  • Model #: YJ2KH
Dell 400-AJON - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 400-AJON - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Usage: For Enterprise Storage
  • Model #: 400-AJON
Dell W69TH - 1TB 3.5" SATA 7.2K 6Gb/s HS Hard Drive
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DELL
Dell W69TH - 1TB 3.5" SATA 7.2K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: W69TH
Dell WXPCX - 1.2TB 2.5" SAS 10K 12Gb/s HS Hard Drive
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DELL
Dell WXPCX - 1.2TB 2.5" SAS 10K 12Gb/s HS Hard Drive
  • Average Latency: 6Gb/s
  • Usage: Ideal for Servers
  • Model #: WXPCX
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Dell FR6W6 - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell FR6W6 - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • NAND Flash Memory Type: SLC
  • Average Latency: 6Gb/s
  • Usage: For Enterprise Storage
  • Model #: FR6W6
Dell 87GNY - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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Dell FY96C - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell FY96C - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: FY96C
Dell 05J9P - Dell 900GB 2.5" SAS 10K 6Gb/s Hard Drive
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DELL
Dell 05J9P - Dell 900GB 2.5" SAS 10K 6Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 05J9P
Dell 400-AUUY - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 400-AUUY - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 400-AUUY
Dell 0T871K - Dell 300GB 2.5" SAS 10K 6Gb/s Hard Drive
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DELL
Dell 0T871K - Dell 300GB 2.5" SAS 10K 6Gb/s Hard Drive
  • NAND Flash Memory Type: SLC
  • Model #: 0T871K
Seagate ST1200MM0088 ST1200MM0088 1.20 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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Seagate
Refurbished Seagate ST1200MM0088 ST1200MM0088 1.20 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
  • NAND Flash Memory Type: SLC
  • Usage: Ideal for Servers
  • Model #: ST1200MM0088
HGST HUH728080ALN600 - 8TB 3.5" SATA 7,200 RPM 6Gb/s Hard Drive
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HGST HUH728080ALN600 - 8TB 3.5" SATA 7,200 RPM 6Gb/s Hard Drive
  • Usage: Ideal for Servers
  • Model #: HUH728080ALN600
Dell 1.2TB 2.5" SAS 10,000 RPM 12Gb/s Hard Drive
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ST8000NM0075 8TB 7.2K RPM 12G 3.5" SAS HDD For Dell T620 T630 T640 T710
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  • $348.95 
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HP 689287-001 300Gb 10000Rpm 6G Sas 2.5Inch Dualport Enterprise Smartdrive Carrier Hotplug Hard Disk Drive With
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  • $68.19 
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Dell 5R6CX - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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HP 646894-001 1Tb 7200Rpm Sata 3.5Inch Hot Swap Hard Disk Drive
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HP
HP 646894-001 1Tb 7200Rpm Sata 3.5Inch Hot Swap Hard Disk Drive
  • NAND Flash Memory Type: Hard Drive
  • Model #: 646894-001
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  • $71.19 
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0B33078 Dell ENT HUC101812CSS204 1.2TB 10KRPM 12Gbps 2.5"SAS SERVERHDD HardDrive
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01NN116 01NN142 01NN144 IBM 1.8TB 10K 12Gb/s 2.5" SAS Hard Drive For V5000 GEN2
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  • $269.99 
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Fujitsu MAX3147NC 147GB 15000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive
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Fujitsu MAX3147NC 147GB 15000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive
  • Average Seek Time: 3.3ms
  • Average Write Time: 3.8ms
  • Average Latency: 2ms
  • Parts: 1 year limited
  • Model #: MAX3147NC
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  • $235.19 
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DELL 1KWKJ Dell 500Gb SATA 7.2k 3.5 Hard Drive
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DELL 1KWKJ Dell 500Gb SATA 7.2k 3.5 Hard Drive
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9TG066-150 Dell 600GB 10K SAS 6G SFF Hard Drive
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Dell RVDCJ - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell RVDCJ - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: RVDCJ
Dell TRCN6 - Dell 600GB 2.5" SAS 15K 12Gb/s Hard Drive
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DELL
Dell TRCN6 - Dell 600GB 2.5" SAS 15K 12Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: TRCN6
Dell 7FJW4 - Dell 300GB 2.5" SAS 15K 12Gb/s Hard Drive
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DELL
Dell 7FJW4 - Dell 300GB 2.5" SAS 15K 12Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Usage: For Enterprise Storage
  • Model #: 7FJW4
Dell NF8WP - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell NF8WP - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: NF8WP
Dell 400-AJPK - Dell 300GB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 400-AJPK - Dell 300GB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 400-AJPK
Dell 6DWVP - Dell 600GB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 6DWVP - Dell 600GB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 6DWVP

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