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FVX7C 0FVX7C Dell ST2000NX0433 2TB 7.2K RPM 12Gb/s 2.5"SAS SERVER HDD Hard Drive
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Dell F617N 300GB 15000RPM 3.5" 6Gb/s SAS Hard Drive ST3300657SS
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LOT OF 10 - Dell 36RH9 ST1200MM0088 1.2TB 10000RPM 6Gbps 2.5" SAS HDD Hard Drive
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  • $540.00 
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P18482-001 P41887-001 HPE 480GB 6G Read Intensive 2.5in SATA Solid State Drive
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  • $195.00 
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Original Dell 9FN066-150 Internal Hard Drive 600GB 15K 3.5" 6Gbps SAS HDD
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  • $219.00 
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ST4000NM000B Seagate Exos 7E10 4TB 3.5" SATA 7.2K RPM 6Gb Hard Drive 2TF100-003
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WD6000HLHX Western Digital 600GB 10000RPM 6Gbps  2.5" SATA HDD Hard Drive
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  • $90.00 
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FW956 0FW956 DELL ST3300555SS 300GB 15K RPM 3Gb/s 3.5" SAS HARD DRIVE W/R Tray
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1V4207-150 Dell 4TB 7.2K SAS 12G LFF Hard Drive
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TMVN7 Dell 2TB 7.2K SAS 12G 2.5" Near Line 128M Hard Drive 0TMVN7
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  • $82.00 
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07FPR Dell 10TB 7.2K SAS 12Gb/s 3.5" 512e HDD 007FPR HUH721010AL5200 New
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  • $345.00 
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9W5WV ST91000640SS Dell 1TB 7.2K RPM 6Gb/s 2.5"SAS SERVER HDD Hard Drive W/Caddy
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  • $41.00 
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529FG ST4000NM0023 Dell 4TB 7.2K RPM 6Gb/s 3.5" SAS SERVER HDD Hard Drive
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DELL
529FG ST4000NM0023 Dell 4TB 7.2K RPM 6Gb/s 3.5" SAS SERVER HDD Hard Drive
  • Model #: ST4000NM0023-529FG-0529FG-dell-new-drive
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  • $125.00 
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2TRM4 AL14SEB18EQY Dell ENTERPRISE 1.8TB 10000RPM 12Gbps 2.5" SAS HDD Hard Drive
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  • $128.00 - $145.95
Dell 67TMT - 2TB 3.5" SAS 7.2K 6Gb/s HS Hard Drive
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LENOVO 00WG661 00WG660 00WG664 300GB 15K RPM 12Gbps G3HS 2.5" SAS HDD Hard Drive
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ST4000NM0023 4TB 7.2K SAS 3.5" 6G HDD for Dell  T20 T100 T105 T110
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  • $175.00 
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  • $70.00 - $175.00
Dell W69TH - 1TB 3.5" SATA 7.2K 6Gb/s HS Hard Drive
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ST3000NM0023-DEL DELL CONSTELLATION ES.3 3TB 7200RPM 3.5-INCH SAS HARD DRIVE
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  • $58.00 
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Western Digital RE4 WD2003FYYS 2 TB 3.5' Internal Hard Drive
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  • $90.00 - $98.00
0-HRS ST1000NM0023 Seagate 9ZM273-001 1TB 7200RPM 6Gbps 3.5" SAS Hard Drive
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  • $69.99 
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Seagate Cheetah 15K.7 ST3450857SS 450 GB Internal Hard Drive (ST3450857SS)
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  • $94.95 
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Toshiba MK2576GSX 250 GB 2.5' Internal Hard Drive
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H8DVC ST9300653SS Dell 300GB 15K RPM 6Gb/s 2.5" SAS Hard Drive - (ZERO HOURS)
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  • $94.00 
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WD1004FBYZ 1F0DG Dell ENTERPRISE 1TB 7.2K 6Gbps 128MB Cache 3.5" SATA Hard Drive
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  • $79.00 
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49Y1840 49Y1836 49Y1839 IBM 300GB 10000RPM 6Gbps 2.5" SAS SERVER HDD Hard Drive
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Seagate 2TB SATA 5.4K RPM 32MB 2.5IN (ST2000LM007)
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  • $155.00 
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HDEAE02DAA51 Dell 300GB 15K SAS 6G SFF Hard Drive
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Dell (9W5WV) 1TB 7.2K SAS 2.5" Hard Drive
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  • $38.00 
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1GDV1 160GB 5400RPM SATA 2.5Inch Dell Hard Drive
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  • $24.97 
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EH000300JWCPK HPE 300GB 15K 12G SFF SAS SC Hard Drive
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Seagate M40TH - 8TB 3.5" SAS 7.2K 12Gb/s Hard Drive
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  • $175.00 
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DELL HT953 0HT953 ST3300655SS 300GB 15K 3.5" SAS HARD DRIVE
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  • $65.00 
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2TB Toshiba P300 7200RPM 256MB
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2TB Toshiba P300 7200RPM 256MB
  • Model #: HDWD320UZSVA
ST3500418AS Seagate 9SL142 BARRACUDA 500GB 7.2KRPM 3Gb/s 3.5"SATA HDD Hard Drive
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Dell 36RH9 1.2TB SAS 6G 10K 2.5(SFF) Hard Drive
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  • $52.00 
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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:

Perry K.
3/26/2026 7:05:57 AM
Seagate Barracuda 2TB Hard Drive

“ Received and installed new Seagate Hard Drive in older Dell Inspiron PC. ”

Seagate BarraCuda ST2000DM008 2TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drive Bare Drive
Anonymous
1/22/2026 4:08:37 PM
Perfect 28TB NAS Drives Great For UGREEN Plex

“ One drive is my primary Plex/media volume, the other is my internal backup. ”

Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive