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Dell 400-AIER - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
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  • $379.19 
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HP 483095-001 160GB SATA Drive Hot Plug 332650-003, 349029-001
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  • $45.00 
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Dell 342-2802 - Dell 600GB 2.5" SAS 10K 6Gb/s Hard Drive
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HGST Ultrastar 7K6 HUS726T4TAL5201 4TB 3.5" SAS 7200rpm Internal Hard Drive
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  • $343.85 
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Dell 2G4HM 2TB 7.2k rpm 3.5" SATA-3Gb/s Hard Drive
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Hitachi HUC106030CSS600 2.5" 300GB
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  • $39.99 
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Dell 400-ALUF - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
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Dell 400-AURK - Dell 900GB 2.5" SAS 15K 12Gb/s Hard Drive
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  • $408.36 
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IC35L120AVVA07-0 IBM 120GB 7200RPM ATA-100 EIDE HARD DRIVE
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  • $75.10 
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IC35L120AVV207-0 IBM 120GB 7200RPM ATA-100 EIDE HARD DRIVE
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  • $74.10 
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08K0851 IBM 20GB 4200RPM HARD DRIVE FOR
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  • $45.10 
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17R6149 COMPAQ 300GB 10000RPM FC HOT SWAP HARD DRIVE
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  • $42.10 
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17R6358 HEWLETT-PACKARD 300.0GB 10000RPM HARD DRIVE
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  • $45.10 
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49Y6102 LENOVO/ IBM 600GB 15K  6 Gbps SAS 3.5" 49Y6103 Gen2 HDD-
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  • $299.00 
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9W5WV ST91000640SS DELL 1TB 7.2K SAS 2.5 6Gbps HDD W/G176J TRAY/CADDIE
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  • $79.00 
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HP 693569-008 - HP 900GB 2.5" SAS 10K 6Gb/s Hard Drive
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  • $76.02 
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Dell Enterprise 4TB 7.2K 6Gb/s SATA 3.5" Hard Drive THGNN w/Tray
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  • $270.00 
HPE 1.80 TB Hard Drive 2.5" Internal SAS 12Gb/s SAS P53562B21
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Dell 400-ANYT - 8TB 3.5'' SAS 7.2K 12Gb's Hot Swap Hard Drive
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  • $275.00 
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Dell 400-AKWQ - 6TB 3.5" SAS 7.2K 12Gb/s Non Hot-Swap Hard Drive
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  • $299.00 
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DELL 0R95FV 600GB SAS HD 2.5" 12Gbps 10K RPM MODEL: ST600MM0088 R95FV 058CWC
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  • $79.00 
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Dell 400-ANFC - 6TB 3.5" SAS 7.2K 12Gb/s Hot Swap Hard Drive
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  • $299.00 
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HP 286714-B22 72.8GB 10K SCSI 3.5" U320 HDD Disk
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Dell 400-ALCM - 6TB 3.5" SAS 7.2K 12Gb/s Hot Swap Hard Drive
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  • $299.00 
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Dell 400-AIWZ - 6TB 3.5" SAS 7.2K 12Gb/s Hot Swap Hard Drive
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  • $299.00 
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Original Dell 9W5WV 1TB 7.2K SAS HDD 6Gbps - 2.5" ST91000640SS HD
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  • $48.00 
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Dell 400-ANRV - 6TB 3.5'' SAS 7.2K 12Gb's Hot Swap Hard Drive
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  • $299.00 
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WD9001BKHG-DELL DELL 900GB 10000RPM 6G SAS HARD DRIVE
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  • $58.95 
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Certified DELL R95FV 600GB 10K SAS 3 12GBs 2.5" SFF w/ Bracket ST600MM0088
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  • $79.00 
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Dell 400-AIWQ - 1.8TB 2.5'' SAS 10K 12Gb's Non Hot-Swap Hard Drive
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  • $304.00 
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Dell 400-AIXX - 1.8TB 2.5'' SAS 10K 12Gb's Non Hot-Swap Hard Drive
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  • $304.00 
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Dell 400-AIYM - 1.8TB 2.5'' SAS 10K 12Gb's Non Hot-Swap Hard Drive
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  • $306.00 
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400-ATJL 1.2TB 10K SAS 2.5" 12Gb/s Hard Drive replacement kit
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  • $150.00 
Dell 400-AINF - 1.8TB 2.5'' SAS 10K 12Gb's Hot Swap Hard Drive
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  • $312.00 
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IBM 81Y9798 3TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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  • $350.00 
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400-AJQD 6WCT7 1.2TB 10K SAS 2.5" 12Gb/s hard drive replacement kit for blade servers
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  • $150.00 
400-AHEQ 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
400-AKKZ 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
6DWVP 600GB 10K SAS 3.5 12Gb/s HARD DRIVE REPLACEMENT KIT FOR BLADE SERVERS
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  • $90.00 
Dell 300GB 2.5" SAS 10,000 RPM 12Gb/s Hard Drive
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  • $53.00 
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Dell 1.2TB 2.5" SAS 10,000 RPM 12Gb/s Hard Drive
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  • $63.00 
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Dell 400-ANTW - 10TB 3.5" SAS 7.2K 12Gb/s Non Hot-Swap Hard Drive
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  • $355.00 
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655710-B21-SC Compatible HP G8 G9 1-TB 6G 7.2K 2.5 SATA SC (Certified Ref.)
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  • $114.00 
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401-ABCE 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
400-AJPS 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
400-ASGS 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
Dell 300GB 2.5" SAS 10,000 RPM 12Gb/s Hard Drive
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  • $52.00 
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655710-B21 Compatible HP G8 G9 1-TB 6G 7.2K 2.5 SATA SC (Certified Ref.)
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  • $114.00 
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DELL 1TB 7.2K 6G LFF SATA HARD DRIVE NO TRAY // V8FCR //
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  • $79.00 
Dell Seagate 15K.7 3.5" SAS ST3600057SS Hard Drive
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  • $124.00 
400-AJPP 600GB 10K SAS 2.5 12Gb/s HARD DRIVE REPLACEMENT KIT
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  • $90.00 
400-AUNQ 600GB 10K SAS 2.5 12Gb/s HARD DRIVE REPLACEMENT KIT
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  • $90.00 
400-AJPJ 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
400-ASLT 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
400-AYRU 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
400-AJOX 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
6W3V5 600GB 10K SAS 2.5 12Gb/s Hard Drive Hybrid Replacement Kit
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  • $90.00 
400-AXGD 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
400-AOXI 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
400-AJOW 600GB 10K SAS 2.5 12Gb/s Hard Drive Replacement Kit
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  • $90.00 
Dell 400-AIEH - 2TB 2.5" SAS 7.2K 12Gb/s Hot Swap Hard Drive
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  • $387.00 
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DELL 1TB 7.2K SATA 3.5" 6GB V8FCR Hard Drive
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  • $79.00 
400-ALVB 1TB 7.2K SAS 2.5 12Gb/s HARD DRIVE REPLACEMENT KIT FOR BLADE SERVERS
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  • $149.99 
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Dell 1.2TB 2.5'' Nearline SAS 10,000 RPM 12Gb's Hard Drive
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  • $69.00 
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Dell 500GB 7.2K 3Gbps SATA 3.5 HDD 512n (WD5003ABYX)
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  • $62.00 
Dell H8DVC 300Gb SAS 15K 2.5" 6Gbps Hard Drive
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  • $60.00 
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190FH 300GB 15000RPM SAS 2.5Inch Dell Hard Drive
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  • $45.00 
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DELL 2G4HM WD2003FYYS 2TB 7.2K 3.5" LFF SATA Hard Drive
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  • $57.95 
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Dell 1TB 6G 7.2K 3.5" SATA T4XNN 0TX4NN HARD DRIVE HDD
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  • $60.00 
Dell 300GB 6G 10K 2.5" SP SAS P252M 0P252M HDD HARD DRIVE
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  • $40.00 
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Dell 3TB 6G 7.2K 3.5" SATA RWV72 0RWV72 HDD Hard Drive
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  • $80.00 
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99X7T 1.2TB 10000RPM SAS 2.5Inch Dell Hard Drive
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  • $65.00 
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Dell 600GB 10K RPM SAS 2.5" Y4MWH Hard Drive
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  • $85.00 
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DELL 1P7DP Dell 2TB 7.2K NL SAS Hard Drive 3.5in
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  • $84.95 
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Dell 146GB 15K 3.5 SAS Hard Drive w/ Tray XK111 MBA3147RC
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  • $56.90 
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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