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18GB 10000 RPM 4MB Cache SCSI 68pin Hard Drives
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Seagate
18GB 10000 RPM 4MB Cache SCSI 68pin Hard Drives
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST318406LW
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  • $235.00 
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HPE 1.92 TB Solid State Drive 3.5" Internal SAS 12Gb/s SAS Mixed Use P37013B21
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HPE 1.92 TB Solid State Drive 3.5" Internal SAS 12Gb/s SAS Mixed Use P37013B21
  • NAND Flash Memory Type: Solid State Drive
  • Model #: P37013B21
Dell R7FKF - Dell 2TB 3.5" Nearline SAS 7.2K 12Gb/s Hard Drive
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Seagate BarraCuda ES.2 ST3250310NS 250GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Refurbished Seagate BarraCuda ES.2 ST3250310NS 250GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Average Write Time: 9.5ms
  • Average Latency: 4.16ms
  • Model #: ST3250310NS
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  • $89.95 
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Dell 400-AFYB 1TB 7200 RPM SAS 6Gb/s 3.5" Internal Hard Drive
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  • $162.00 
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HN7VH 0HN7VH Dell MQ01ACF032 320GB 7.2K RPM 6Gb/s 2.5" SATA Laptop Hard Drive
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NN508 0NN508 Dell WD2500YS 250GB 7.2K RPM 3Gb/s 3.5" SATA HDD Hard Drive
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K054N ST3600002SS Dell CHEETAH NS.2 600GB 10K RPM 6Gb/s 3.5" SAS HDD Hard Drive
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MB4000FCWDK HPE 4TB 7.2K 6G SAS DP Hard Drive
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  • $175.00 
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Dell XK111 146GB 15000RPM 3Gb/s 3.5" SAS Hard Drive MBA3147RC Fujitsu
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  • $58.90 
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8CGTN ST31000524NS DELL 1TB 7200RPM 3Gbps 3.5" SATA SERVER HDD Hard Drive
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  • $89.00 
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G76RF HUC109060CSS600 Dell ENT 600GB 10KRPM 6Gbps 2.5" SAS SERVER HDD Hard Drive
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  • $68.88 
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Dell G13 PYM8J 6TB 3.5" SAS 12Gb/s 7200RPM 512e 3.5" NearLine Hard Drive
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DELL
Dell G13 PYM8J 6TB 3.5" SAS 12Gb/s 7200RPM 512e 3.5" NearLine Hard Drive
  • Encryption: Encryption
  • Usage: Ideal for Servers
  • Model #: PYM8J
7KXJR MK1001TRKB Dell ENTERPRISE 1TB 7.2K 6G 16MB 3.5in SAS Hard Drive
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WF12F ST91000640NS Dell CONSTELLATION .2 1TB 7200RPM 6Gbps 2.5" SATA Hard Drive
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9W5WV ST91000640SS Dell 1TB 7200RPM 6Gbps 2.5" SAS HDD Hard Drive - (ZERO HOURS)
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  • $51.00 
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D1F14 Dell SAS 2.5" 600GB 10K 12G Hard Drive Gen14-Gen16 ST600MM0238
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K7VW5 ST2000NM0045 Dell 2TB 7.2K 12Gbps 128MB Hot Swap 2.5" SAS HDD Hard Drive
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  • $174.88 
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Dell ES.3 THGNN 4TB 7.2K 6G 64MB 3.5in SATA Hard Drive ST4000NM0033
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  • $245.00 
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Dell 161-BCBX 2.4TB SAS 12Gbps 10KRPM 512e 2.5in ISE Hot-Plug Hard Drive
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  • $341.55 
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HUH721212ALE600 12TB SATA 7.2K 6Gb/s 3.5" Hard Drive Dell T2YHT
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  • $425.00 
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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