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Seagate Skyhawk AI ST10000VE0008 10 TB Hard Drive - 3.5" Internal - SATA (SATA/600)
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  • $674.99 
  • $5.00 Shipping
HDD HGST HUH728080AL4200 8TB SAS 7200 12GB 3.5 P/N: 0F23651
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Refurbished HDD HGST HUH728080AL4200 8TB SAS 7200 12GB 3.5 P/N: 0F23651
  • Part Number: HUH728080AL4200
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: HUH728080AL4200
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  • $199.00 
  • Free Shipping
90645D3 MAXTOR 6.4GB 5400RPM IDE HARD DRIVE
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Refurbished 90645D3 MAXTOR 6.4GB 5400RPM IDE HARD DRIVE
  • NAND Flash Memory Type: SLC
  • Model #: 90645D3
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  • $39.00 
  • $10.00 Shipping
(2 Pair) Dell Optiplex/Dimension Hard Drive Rails 87VYR
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  • $6.49 
  • $6.99 Shipping
MZ-76E4T0 Samsung 860 EVO Series 4TB SATA 2.5" Internal Solid State Drive
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SAMSUNG
Refurbished MZ-76E4T0 Samsung 860 EVO Series 4TB SATA 2.5" Internal Solid State Drive
  • Part Number: MZ-76E4T0
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: MZ-76E4T0-REF
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  • $520.00 
  • Free Shipping
HGST Ultrastar He8 HUH728080ALE600 8TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5-Inch 512e ISE Helium Enterprise Data Center Hard Disk Drive
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Refurbished HGST Ultrastar He8 HUH728080ALE600 8TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5-Inch 512e ISE Helium Enterprise Data Center Hard Disk Drive
  • NAND Flash Memory Type: SLC
  • Average Seek Time: 8.9ms
  • Average Write Time: 9ms
  • Average Latency: 4.16ms
  • Model #: 0F25739
HUH728080ALE601 HGST Ultrastar He8 8TB 7.2K 6Gbps 3.5" SATA Internal Hard Drive
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Refurbished HUH728080ALE601 HGST Ultrastar He8 8TB 7.2K 6Gbps 3.5" SATA Internal Hard Drive
  • Average Seek Time: 8.5ms
  • Part Number: HUH728080ALE601
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: HUH728080ALE601-REF
600GB 10K RPM SAS 12GBPS 512N
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DELL
600GB 10K RPM SAS 12GBPS 512N
  • Average Latency: 12Gb/s
  • Model #: 400-AOXC
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  • $135.45 
  • $10.00 Shipping
0202V7 4TB 7200RPM SAS 3.5Inch Dell Hard Drive
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DELL
Refurbished 0202V7 4TB 7200RPM SAS 3.5Inch Dell Hard Drive
  • NAND Flash Memory Type: SLC
  • Model #: 0202V7
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  • $100.80 
  • $10.00 Shipping
861742-B21-AX 6TB 6GB s Sata 7.2K RPM LFF Hot-Swap Hard Disk Drive for HP - 753874-B21
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  • $481.97 
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Toshiba MG09 18TB SATA 6Gb/s 7.2K 512e 3.5" Enterprise Server HDD - MG09ACA18TE
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Refurbished Toshiba MG09 18TB SATA 6Gb/s 7.2K 512e 3.5" Enterprise Server HDD - MG09ACA18TE
  • Part Number: MG09ACA18TE
  • NAND Flash Memory Type: SLC
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: MG09ACA18TE
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  • $211.25 
  • $10.00 Shipping
CFP4207S SEAGATE CAYMAN 4.29GB 7200RPM 50-PIN SCSI BUFFER 512KB HARD DRIVE
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  • $161.25 
  • $10.00 Shipping
YAR41BW0 MAXTOR 80GB ATA-100 7200RPM EIDE HARD DRIVE
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  • $30.46 
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0663-H12 IBM 1GB 50-PIN SCSI HARD DRIVE
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  • $49.00 
  • $10.00 Shipping
P8983-60101 HEWLETT PACKARD 10GB IDE HARD DRIVE
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  • $93.41 
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Dell 400-AJOW 600 GB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $69.00 
  • $10.00 Shipping
HPE 350964-B22 300 GB Hard Drive - 3.5" Internal - SCSI (Ultra320 SCSI)
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  • $91.00 
  • $10.00 Shipping
HPE 693569-003 600 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $29.00 
  • $10.00 Shipping
HPE 900GB SAS 12G Enterprise 15K SFF 2.5" SC 512e Digitally Signed Firmware HDD
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HP
HPE 900GB SAS 12G Enterprise 15K SFF 2.5" SC 512e Digitally Signed Firmware HDD
  • NAND Flash Memory Type: SLC
  • Average Latency: 12Gb/s
  • Usage: For Enterprise Storage
  • Parts: 3 Year
  • Model #: 870765-B21
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  • $328.60 
  • $10.00 Shipping
Total Micro 500GB 2.5Inch 7200RPM SATA Hard Drive 400-AEMC-TM
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  • $88.41 
HP MB8000JEQVA 8Tb 7200Rpm Sas 12Gbps Lff 3.5Inch Sc 512E Helium Hard Drive With Tray
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  • $140.61 
  • $10.00 Shipping
HP EH0146FBQDC M6625 146Gb 15000Rpm 2.5Inch Sas 6Gbits Sff Dual Port Hard Disk Drive With Tray
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  • $39.00 
  • $10.00 Shipping
HPE J9V70A 600 GB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
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  • $165.12 
  • $10.00 Shipping
Hitachi GST Deskstar 7K500 HDS725050KLAT80 (0A31613) 500GB 7200 RPM 8MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
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Hitachi GST Deskstar 7K500 HDS725050KLAT80 (0A31613) 500GB 7200 RPM 8MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HDS725050KLAT80
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  • $129.00 
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HP 508009-001 500GB 7200 RPM SAS 6Gb/s 2.5" Internal Hard Drive
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  • $59.00 
  • $10.00 Shipping
HP 861681-B21 2TB SATA 7.2K LFF LP DS HDD
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  • $189.70 
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HP 1.80 TB 2.5" Internal Hard Drive
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HP
HP 1.80 TB 2.5" Internal Hard Drive
  • NAND Flash Memory Type: SLC
  • Average Latency: 12Gb/s
  • Features: Hard Drive
  • Model #: K2P94A
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  • $218.75 
  • $10.00 Shipping
HP 397553-001 250GB 7200 RPM SATA 3.5" LFF HOT-PLUG Internal Hard Drive
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  • $39.00 
  • $10.00 Shipping
HPE 655708-B21 500 GB Hard Drive - 2.5" Internal - SATA (SATA/600)
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HP
Refurbished HPE 655708-B21 500 GB Hard Drive - 2.5" Internal - SATA (SATA/600)
  • NAND Flash Memory Type: SLC
  • Features: Hot Swap
  • Usage: For Enterprise Storage
  • Parts: 30 Days
  • Model #: 655708-B21
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  • $59.00 
  • $10.00 Shipping
HP 376597-001 72GB 10000 RPM SAS 2.5" SFF Hotplug Internal Hard Drive
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  • $29.00 
  • $10.00 Shipping
IBM 90Y8954 500GB 7200 RPM SAS 6Gb/s 2.5" Internal Hard Drive Bare Drive
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  • $192.00 
  • $10.00 Shipping

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