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J165G 0J165G Dell WD1600BJKT 160GB 7200RPM 3Gbps 2.5" SATA HDD Hard Drive
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  • $49.96 
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7YX58 07YX58 ST600MM0006 DELL 600GB 10K 6G SED SFF 2.5'' SAS HDD HARD DRIVE
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  • $31.50 
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DELL COMPATIBLE 2RR9T 02RR9T ST900MM0006 900GB 10K 6Gbps 2.5" SAS SFF Hard Drive
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  • $38.95 
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RC34W 0RC34W AL13SEB900 DELL 900GB 10K 6G SFF 2.5" SAS HARD DRIVE W/TRAY
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  • $68.00 
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Dell 342-0856 600-GB 6G 10K 2.5 SAS w/G176J
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PGHJG Dell 300-GB 6G 10K 2.5 SP SAS w/F830C
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DELL H8DVC 300GB 15K SFF 2.5 SAS
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DELL
DELL H8DVC 300GB 15K SFF 2.5 SAS
  • Model #: 9845647388158
Dell WXPCX 1.2TB 10K SAS 12GB/s 2.5in ENT Hard Drive ST1200MM0088 0WXPCX
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  • $94.00 
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Dell 0W347K W347K W348K 600GB 6G 15K 3.5" SAS  Hard Drive W/ Tray
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  • $94.95 
P252M 0B24181 DELL 300GB 10K SFF SAS HDD FOR R410 R510 R515 R610 R710 R810 R910
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  • $44.00 
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GM251 0GM251 (LOT OF 2) Dell 300GB 15K RPM 3Gb/s 3.5" SAS Hard Drive ST3300655SS
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  • $90.10 
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HP 6 TB 3.5" Internal Hard Drive
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  • $225.10 
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Dell Y4MWH EQUALLOGIC 600GB 10K SAS 2.5'' HDD - Ships Today
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HP 450 GB 3.5" Internal Hard Drive
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  • $423.72
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  • $253.19 
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Dell Thgnn 4Tb 7.2K 3.5 Sata 6Gbs Hdd
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DELL
Dell Thgnn 4Tb 7.2K 3.5 Sata 6Gbs Hdd
  • Model #: 20450fce-c377-4-N2
990FD Dell 600GB 2.5" SFF SAS 6Gb 15K Hard Drive HDEAE00DAA51 0990FD Refurbished
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  • $38.00 
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400-AJUX 600GB 10K SAS 3.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
2G4HM Genuine DELL 2TB 3.5 7.2K 6G LFF SATA HDD WD2003FYYS 02G4HM tray  server
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  • $48.95 
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Dell RMCP3 // ST1200MM0007 1.2TB SAS 10K 2.5" HDD v7 With Tray
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  • $72.95 
829T8 MG03SCA200 Dell 2TB 7.2K RPM 6Gb/s LFF 3.5" SAS SERVER HDD Hard Drive
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  • $125.00 
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Dell G108N 73-GB 6G 15K 2.5 SP SAS w/F830C
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PGHJG Dell 300-GB 6G 10K 2.5 SP SAS w/F830C
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PGHJG Dell 300-GB 6G 10K 2.5 SP SAS w/F830C
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PGHJG Dell 300-GB 6G 10K 2.5 SP SAS w/F830C
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HP 36.40 GB 3.5" Internal Hard Drive
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  • $200.00 
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DELL H8DVC 300GB 15K SFF 2.5 SAS
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DELL
DELL H8DVC 300GB 15K SFF 2.5 SAS
  • Model #: I6F2M-00-B00T8-1
Dell 9WE066-150 300GB 10K SAS 2.5" HD
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Dell  9WG066-150 Enterprise 600GB 10K 6Gbps 64MB SAS 2.5'' Hard Drive
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  • $80.00 
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Dell JW552 300 GB Hard Drive - 3.5" Internal - SAS
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  • $55.00 
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861691-B21 1TB 7200RPM SATA 3.5Inch HP Hard Drive
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  • $160.00 
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Dell 0B24379 146Gb Sas 15K 6Gbps 2.5 " Dell Labeled Hard Disk Drive
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  • $93.00 
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Dell F4VMK 900GB SAS 10K 2.5" 12gbps HDD
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DELL
Dell F4VMK 900GB SAS 10K 2.5" 12gbps HDD
  • Model #: 527-954041000264207
Dell 4X1DR 900GB 10K 2.5" SAS HDD
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DELL
Dell 4X1DR 900GB 10K 2.5" SAS HDD
  • Model #: 5767876315238
342-2080 DELL 600GB 15K SAS LFF HDD 6Gbps
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DELL
342-2080 DELL 600GB 15K SAS LFF HDD 6Gbps
  • Model #: e92-382603000262159
07YX58 7YX58 ST600MM0006 Dell 600GB 10000RPM 6Gbps  2.5" SAS HDD Hard Drive
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  • $28.96 
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Dell 7T0DW 600GB 10K SAS 2.5 6G ST9600204SS
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9YZ164-036 2T51W DELL 1TB 7.2K RPM 6Gbps 3.5" SATA SERVER HDD Hard Drive
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  • $115.01 
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T6TWN Dell Enterprise  2.5'' Hard Drive w/ tray 1.2TB 10K 6Gbps SAS
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  • $98.85 
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ST600MM0069 Dell 600GB 10KRPM 12Gb 2.5" SAS HDD
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DELL
ST600MM0069 Dell 600GB 10KRPM 12Gb 2.5" SAS HDD
  • Model #: XXTRP-0XXTRP-ST600MM0069-dell-new-5
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  • $75.99 
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DELL H8DVC 300GB 15K SFF 2.5 SAS
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DELL
DELL H8DVC 300GB 15K SFF 2.5 SAS
  • Model #: 5767876315379
9V4DG MK2001TRKB Dell EQUALLOGIC 2TB 7.2K RPM 6Gbps 3.5" SAS HDD Hard Drive
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  • $100.96 
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HP 500GB SED FIPS Hard Disk Drive AZ6G2A
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  • $605.80 
R72NV 0R72NV ST9600205SS DELL 600GB 10K 6G SFF SAS HDD FOR M610 M710 M805 M915
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  • $37.50 
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YJ0GR HUC106030CSS600 DELL 300GB 10K SFF 2.5 SAS HDD FOR R210 R310 R410 R910
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  • $45.00 
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P252M 0B24181 DELL 300GB 10K SFF SAS HDD FOR R330 R730 M605 M610 M710 M905
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  • $40.00 
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400-AJPC 1.2TB 10K SAS 3.5" 12Gb/s hard drive replacement hybrid kit
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  • $150.00 
Dell ST9300603SS C975M 0C975M 300GB 10K 6G SFF SAS ENT HDD w/ tray
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  • $50.00 
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PGHJG  Dell ST300MM0006 SAVVIO 10K.6 300GB 10K 6G 64MB SFF 2.5" SAS Hard Drive
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  • $31.96 
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Dell NP86X 1.8TB 512e 10K SAS 12Gbps 2.5" HDD
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6HFW3 06HFW3 DT01ACA200 DELL 2TB 7.2K RPM 6Gb/s 3.5" SATA HDD Hard Drive
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  • $175.00 
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Western Digital 18TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181KRYZ
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  • $890.00 
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  • $650.00 - $890.00
Dell 900GB 2.5" 10K SAS Enterprise Plus 6Gbs HDD (AL13SEB900)
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  • $57.00 
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P252M Dell 300GB 10K 6G 2.5 SAS Hard Drive HUC103030CSS600 0P252M
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  • $30.00 
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Dell 0VX8J 600 GB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
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  • $129.95 
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JGXK2 Dell 480GB SAS 2.5" 12G MLC RI SSD PX05SRB04BY SDFAM83DAB01 Gen13
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DELL
JGXK2 Dell 480GB SAS 2.5" 12G MLC RI SSD PX05SRB04BY SDFAM83DAB01 Gen13
  • Model #: JGXK2-PX05SRB04BY-SDFAM83DAB01-0JGXK2-3
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  • $699.00 
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LOT OF 10-ST3450857SS Seagate 9FM066 450GB 15000RPM 6Gbps 3.5"SAS HDD Hard Drive
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  • $389.95 
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400-AJOT 600GB 10K SAS 3.5 12Gb/s HARD DRIVE HYBRID REPLACEMENT KIT
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  • $90.00 
529FG ST4000NM0023 Dell 4TB 7200RPM 6Gbps 3.5" SAS SERVER HDD Hard Drive W/Caddy
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  • $99.00 
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F420T 0F420T DELL 7.2K 3G 32MB 250GB 3.5in SATA HARD DRIVE ST3250310NS
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  • $175.00 
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400-ATJM 1.2TB 10K SAS 3.5" 12Gb/s Hard Drive replacement hybrid kit
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  • $150.00 
Dell 400-ANWD - Dell 10TB 3.5" SAS 7.2K 12Gb/s Hard Drive
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Western Digital (LOT OF 6PC) WD5003ABYX 500GB 7.2K 3Gbps 3.5" SATA HDD
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  • $94.99 
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HP 6 TB 3.5" Internal Hard Drive
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  • $285.10 
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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