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Dell FY96C - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell FY96C - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: FY96C
Dell 400-AJPU - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 400-AJPU - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Usage: For Enterprise Storage
  • Model #: 400-AJPU
Seagate ST3146356SS 146GB 15000 RPM SAS 3Gb/s 3.5" Internal Hard Drive
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  • $28.00 
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ST1000DL003 Seagate 1TB 5.4K RPM 3Gb/s 3.5" SATA HDD Hard Drive
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  • $48.95 
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Seagate MOMENTUS ST9500325AS 500GB 5400RPM 3Gbps 2.5" SATA Laptop Hard Drive
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  • $34.96 
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ST8000NM0075 8TB 7.2K RPM 12G 3.5" SAS HDD For Dell T620 T630 T640 T710
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  • $350.00 
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K4M5W DELL 1TB 7.2K SATA 3.5 LFF 6Gbps HDD KIT FS
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Dell 96G91 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 96G91 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 96G91
9JX248-150 Dell 2TB 7.2K SAS 6G LFF Hard Drive
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Dell RVDCJ - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell RVDCJ - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: RVDCJ
Dell 400-AJPK - Dell 300GB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 400-AJPK - Dell 300GB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 400-AJPK
Dell 400-AJQC - Dell 300GB 2.5" SAS 10K 12Gb/s Hard Drive
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Dell 0T871K - Dell 300GB 2.5" SAS 10K 6Gb/s Hard Drive
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DELL
Dell 0T871K - Dell 300GB 2.5" SAS 10K 6Gb/s Hard Drive
  • NAND Flash Memory Type: SLC
  • Model #: 0T871K
HP MM0500EBKAE 500Gb 7200Rpm 2.5Inch Sff Midline Sataii Hotplug Hard Disk Drive With Tray
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  • $155.89 
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ST3300657SS-H Seagate CHEETAH 15K.7 146GB 15K RPM 6Gb/s 16MB 3.5" SAS Hard Drive
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  • $55.96 
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HPE 2 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS) - Server, Storage System Device Supported - 7200rpm
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HPE 2 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS) - Server, Storage System Device Supported - 7200rpm
  • Part Number: P28505-B21
  • NAND Flash Memory Type: Hard Drive
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: P28505-B21
757375-001 HPE 480GB 6G NHP SFF SATA SSD HAR DRIVE (757375-001)
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  • $225.00 
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ST32000444SS-DEL SEAGATE CONSTELLATION ES 2TB 7200RPM 6GBPS LFF SAS SC HARD DRIVE
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  • $68.95 
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Dell MY58D - Dell 3TB 3.5" SAS 7.2K 6Gb/s Hard Drive
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DELL
Dell MY58D - Dell 3TB 3.5" SAS 7.2K 6Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: MY58D
P05319-001 P02760-001 HPE 240GB 6Gbps Read Intensive 2.5" SATA Solid State Drive
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  • $149.88 
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Dell 9XNF6 - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 9XNF6 - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • NAND Flash Memory Type: SLC
  • Average Latency: 6Gb/s
  • Model #: 9XNF6
Dell 400-AJON - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 400-AJON - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Usage: For Enterprise Storage
  • Model #: 400-AJON
Dell W348K - 600GB 3.5" SAS 15K 6Gb/s HS Hard Drive
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DELL
Dell W348K - 600GB 3.5" SAS 15K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: W348K
HPE 8TB 6G SATA 7.2K LFF 512e LP MDL HDD
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Dell 36RH9 - 1.2TB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL 1KWKJ Dell 500Gb SATA 7.2k 3.5 Hard Drive
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DELL 1KWKJ Dell 500Gb SATA 7.2k 3.5 Hard Drive
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1VD200-150 Dell 2TB 7.2K SAS 12G SFF Server Hard Drive
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ST3300655SS Seagate 9Z1066-051 300GB 15000RPM 3Gbps 3.5" SAS HDD Hard Drive
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  • $43.96 
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Dell 400-ADPC - Dell 600GB 2.5" SAS 15K 6Gb/s Hard Drive
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DELL
Dell 400-ADPC - Dell 600GB 2.5" SAS 15K 6Gb/s Hard Drive
  • NAND Flash Memory Type: SLC
  • Usage: For Enterprise Storage
  • Model #: 400-ADPC
Dell 87GNY - Dell 1.2TB 2.5" SAS 10K 12Gb/s 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