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0M40TH ST8000NM0185 Dell 8TB 7.2K RPM 12Gb/s 3.5" SAS HDD Hard Drive Refurbished
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  • $380.00 
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P13237-001 HP 1.92TB 2.5" SAS 12G RI M2 SSD KPM51RUG1T92 SDFBE05JAA01MSA
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HP
P13237-001 HP 1.92TB 2.5" SAS 12G RI M2 SSD KPM51RUG1T92 SDFBE05JAA01MSA
  • Model #: P13237-001-hp-KPM51RUG1T92-SDFBE05JAA01
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  • $1,250.00 
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Intel SSDSC2BB480G7R - Intel 480GB 2.5" SATA  6Gb/s Solid State Drive
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  • $249.99 
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Dell 400-ANTX - 10TB 3.5" SAS 7.2K 12Gb/s Hot Swap Hard Drive
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  • $355.00 
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ST2000NM0001-DELL 2TB 7200RPM 6GBPS 2.5-INCH SAS LFF HARD DRIVE
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  • $39.99 
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WD AV-25 1 TB AV Hard Drive: 2.5 Inch, 5400 RPM, SATA II, 16 MB Cache - WD10JUCT
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  • $97.99 
  • $5.00 Shipping
Western Digital RE3 WD7502ABYS 750GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
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Western Digital RE3 WD7502ABYS 750GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
  • Average Latency: 4.2ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: WD7502ABYS
WL 1TB 64MB Cache 5400RPM SATA III (6.0Gb/s) (Low Power & Heavy Duty) 3.5" Internal Hard Drive (NAS & CCTV DVR) - w/ 1 Year Warranty
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WL 1TB 64MB Cache 5400RPM SATA III (6.0Gb/s) (Low Power & Heavy Duty) 3.5" Internal Hard Drive (NAS & CCTV DVR) - w/ 1 Year Warranty
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: WL1000GSA6454-DVR
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  • $59.99 
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Seagate BarraCuda ST1500DM003 1.5TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Seagate BarraCuda ST1500DM003 1.5TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Brand: Seagate
  • Series: BarraCuda
  • Model: ST1500DM003
  • Capacity: 1.5TB
  • Model #: ST1500DM003
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Seagate BarraCuda Green ST1500DL003 1.5TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Seagate BarraCuda Green ST1500DL003 1.5TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Write Time: 13ms
  • Average Latency: 4.16ms
  • Model #: ST1500DL003
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  • $76.00 
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Western Digital Caviar Blue WD3200AAJS 320GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Used - Like New Western Digital Caviar Blue WD3200AAJS 320GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Seek Time: 8.9ms
  • Average Latency: 4.2ms
  • Height (maximum): 25.40mm
  • Width (maximum): 101.60mm
  • Model #: WD3200AAJS
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Western Digital WD RE4 WD5003ABYX-20PK 500GB 7200 RPM 64MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive (20PK) Bare Drive
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Dell 6WCT7 - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 6WCT7 - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: 6WCT7
PGHJG ST300MM0006 Dell 300GB 10K RPM 6Gb/s 2.5" SAS Hard Drive W/(ZERO HOURS)
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  • $44.00 
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Hitachi GST Deskstar 180GXP IC35L090AVV207 (07N9685) 80GB 7200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 3.5" Hard Drive Bare Drive
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  • $159.19 
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Dell G16 12TB 0V308G 7.2K RPM SATA 6Gb/s 512e 3.5" PowerEdge Refurbished Hard Drive
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DELL
Refurbished Dell G16 12TB 0V308G 7.2K RPM SATA 6Gb/s 512e 3.5" PowerEdge Refurbished Hard Drive
  • Brand: Dell
  • Series: Generation 14
  • Capacity: 12TB
  • RPM: 7200 RPM
  • Model #: 0V308G-DELLG14
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  • $329.00 
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655710-B21 656108-001 HP 1TB 7.2K RPM 6Gbps 2.5" MDL SATA Hard Drive W/Caddy
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  • $69.95 
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LOT OF 10 - 745GC ST9300605SS Dell 300GB 10K RPM 6Gb/s 2.5" SAS HDD Hard Drive
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  • $440.00 
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FVX7C DELL 2TB 7.2K SAS 2.5" 12Gb/s HDD W/TRAY
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WD5003ABYX-18WERA0 Dell 500GB 7.2K SAS 6G LFF Hard Drive
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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