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Maxtor Atlas 10K V 8J073J0 74GB 10000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
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Maxtor Atlas 10K V 8J073J0 74GB 10000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
  • Average Seek Time: 4ms
  • Average Write Time: 4.5ms
  • Average Latency: 3ms
  • Parts: 1 year limited
  • Model #: 8J073J0
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  • $207.01 
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IBM 44W2244 600GB 15000 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
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IBM 44W2244 600GB 15000 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Seek Time: 4ms
  • Average Latency: 2ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: 44W2244
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  • $319.00 
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Dell M40TH - Dell 8TB 3.5" SAS 7.2K 12Gb/s Hard Drive
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DELL
Dell M40TH - Dell 8TB 3.5" SAS 7.2K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: M40TH
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HITACHI DESKSTAR 320GB 7200RPM 16MB CACHE 3.5 INCH SATA HARD DRIVE HDT72532VLA380
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  • $58.19 
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HGST HUS726040ALS210 - HGST 4TB 3.5" SAS 7.2K 12Gb/s Hard Drive
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HGST HUS726040ALS210 - HGST 4TB 3.5" SAS 7.2K 12Gb/s Hard Drive
  • Features: Instant Secure Erase drive
  • Usage: For Enterprise Storage
  • Model #: HUS726040ALS210
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  • $137.10 
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HGST Travelstar Z7K500 HTS725050A7E630 500GB 2.5" SATA III Laptop Hard Drive
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HP MSA 8TB 12G SAS 7.2K 3.5IN 512E H
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HP
HP MSA 8TB 12G SAS 7.2K 3.5IN 512E H
  • NAND Flash Memory Type: SLC
  • Average Latency: 12Gb/s
  • Model #: M0S90A
DELL ENTERPRISE ACCESSORIES 400-AJOE 6TB SAS 12GBPS 3.5IN 7.2K NL HP
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HTS541010A9E680 HGST 0J26213 1TB 5400RPM 6Gbps 2.5" SATA HDD Hard Drive
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  • $225.00 
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DELL 2.40TB 2.5" SAS 10K rpm Internal Hard Drive Hot Swap/Pluggable 400AUQX
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DELL
DELL 2.40TB 2.5" SAS 10K rpm Internal Hard Drive Hot Swap/Pluggable 400AUQX
  • NAND Flash Memory Type: Hard Drive
  • Model #: 400-AUQX
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  • $550.00 
Samsung HD502HJ Spinpoint F3 HD502HJ 500 GB Hard Drive - 3.5" Internal - SATA (SATA/300)
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Samsung HD502HJ Spinpoint F3 HD502HJ 500 GB Hard Drive - 3.5" Internal - SATA (SATA/300)
  • NAND Flash Memory Type: SLC
  • Features: Hard Drive
  • Model #: HD502HJ
  • $177.68
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  • $48.95 
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st318404lw 18GB 10000 RPM 4MB Cache SCSI 3.5" Hard Drives
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st318404lw 18GB 10000 RPM 4MB Cache SCSI 3.5" Hard Drives
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST318404LW
  • $224.44
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  • $150.00 
  • Save: 33%
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Dell 400-ATJM / WT1RW 1.2TB 3.5" 10K RPM 512n Hybrid SAS HDD Kit X7K8W / Y004G
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Seagate Enterprise Capacity 3.5'' HDD 6TB 7200 RPM 512e SATA 6Gb/s 256MB Cache Secure Model Internal Hard Drive ST6000NM0175
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Seagate Enterprise Capacity 3.5'' HDD 6TB 7200 RPM 512e SATA 6Gb/s 256MB Cache Secure Model Internal Hard Drive ST6000NM0175
  • Average Latency: 4.16ms
  • Height (maximum): 26.10mm
  • Width (maximum): 101.85mm
  • Length (maximum): 147.00mm
  • Model #: ST6000NM0175
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IBM 42D0638 300GB 10000 RPM SAS 6Gb/s 2.5" SFF Slim Hot-Swap Hard Drive
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81Y9795 81Y9794 81Y3864 IBM 2TB 7.2K RPM 6Gb/s 3.5" SATA SERVER HDD Hard Drive
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IBM 44W2245 600GB 15000 RPM SAS 6Gb/s 3.5" Internal Hard Drive
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Seagate Cheetah 15K.7 ST3600957SS 600GB 15000 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Enterprise Hard Drive with Secure Encryption Bare Drive
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  • $289.00
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  • $80.00 
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LOT OF 10 - Dell T6TWN HUC101212CSS600 1.2TB 10000RPM 6Gbps 2.5" SAS Hard Drive
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  • $485.00 
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LENOVO 00WG661 00WG660 00WG664 300GB 15K RPM 12Gbps G3HS 2.5" SAS HDD Hard Drive
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Hitachi (HTS723232A7A364) 320GB 7200RPM SATA 3.0Gb/s 2.5" Notebook Hard Drive
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  • $54.50 
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872737-001 872479-B21 HPE 1.2TB 10K RPM 12Gb/s 2.5" SAS SERVER HDD Hard Drive
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  • $124.00 
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DELL 0R95FV 600GB SAS HD 2.5" 12Gbps 10K RPM MODEL: ST600MM0088 R95FV NTPP3
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656107-001 655708-B21 HP 500GB 7.2K RPM 6Gb/s 2.5" SATA SERVER HDD Hard Drive G8
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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