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DELL ENTERPRISE ACCESSORIES 400-ATJL 2GBPS 2.5IN 512N 10K RPM SAS
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DELL
DELL ENTERPRISE ACCESSORIES 400-ATJL 2GBPS 2.5IN 512N 10K RPM SAS
  • NAND Flash Memory Type: SLC
  • Average Latency: 6Gb/s
  • Usage: For Enterprise Storage
  • Model #: F5HFM
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ST4000NM0023 4TB 7.2K SAS 3.5" 6G HDD for Dell T420 T430 T440 T605 T610
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  • $173.95 
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THGNN DELL 4TB 7.2K SATA 3.5 LFF 6Gbps HDD KIT FS
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HUH721212ALE600 12TB SATA 7.2K 6Gb/s 3.5" Hard Drive Dell T2YHT
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  • $425.00 
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WD Red Pro WD121KFBX 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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WD Red Pro WD121KFBX 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD121KFBX
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MDD (MDD16TSATA25672DVR) 16TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Surveillance Hard Drive - 3 Years Warranty
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Refurbished MDD (MDD16TSATA25672DVR) 16TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Surveillance Hard Drive - 3 Years Warranty
  • Part Number: MDD16TSATA25672DVR
  • Usage: For Video Surveillance / CCTV
  • Height (maximum): 1"
  • Width (maximum): 4"
  • Model #: MDD16TSATA25672DVR
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  • $399.99 
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Maxtor DiamondMax 10 6L200P0 200GB 7200 RPM 8MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
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Maxtor DiamondMax 10 6L200P0 200GB 7200 RPM 8MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
  • Average Seek Time: 9ms
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: 6L200P0
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Hitachi GST Deskstar 5K3000 HDS5C3030ALA630 (0F12460) 3TB 5700 RPM 32MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Hitachi GST Deskstar 5K3000 HDS5C3030ALA630 (0F12460) 3TB 5700 RPM 32MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Parts: 2 Year Warranty from Reseller
  • Labor: 2 Year Warranty from Reseller
  • Model #: 0F12460
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  • $100.00 
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0VX8J ST3600057SS Dell EQL 600GB 15KRPM 6Gbps 3.5"SAS HDD Hard Drive - (0 HOURS)
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W1C90 Dell 6TB SATA 3.5" 7.2K 6Gb Server Hard Drive ST6000NM0024 0W1C90
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  • $299.00 
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ST2000NM0033 Seagate 2TB 7.2K RPM 6Gb/s 3.5" SATA HDD Hard Drive (ST2000NM0033)
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  • $79.95 
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LOT OF 10 - Dell 1KWKJ WD5003ABYX 500GB 7200RPM 3Gbps 3.5" SATA HDD Hard Drive
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  • $625.00 
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BUFFALO 2TB Replcement  HD TeraStation Model OP-HD2.0BST-3Y
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  • $134.99 
  • $6.99 Shipping
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WD RE4 WD2003FYYS 2TB 7200 RPM 64MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Refurbished WD RE4 WD2003FYYS 2TB 7200 RPM 64MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: WD2003FYYS
WD WD800JD Caviar SE SE WD800JD 80 GB Hard Drive - 3.5" - SATA (SATA/150)
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Western Digital
WD WD800JD Caviar SE SE WD800JD 80 GB Hard Drive - 3.5" - SATA (SATA/150)
  • NAND Flash Memory Type: SLC
  • Features: Western Digital WD800JD 80 GB Serial ATA 150 Hard Drive General Features: 80 GB storage capacity
  • Height (maximum): 25.4
  • Width (maximum): 101.35
  • Model #: WD800JD
ST2000NX0253 Seagate 2TB 7.2K RPM SATA 6Gbps 2.5" SFF 128MB Cache Hard Drive
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Seagate
Refurbished ST2000NX0253 Seagate 2TB 7.2K RPM SATA 6Gbps 2.5" SFF 128MB Cache Hard Drive
  • Brand: Seagate
  • Part Number: ST2000NX0253
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: ST2000NX0253-Ref
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  • $82.00 
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ST1200MM0088 Seagate 1FF200-175 1.2TB 10K RPM 12Gb/s 2.5" SAS Hard Drive
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Dell-IMSourcing 50XV4 1 TB Hard Drive - 3.5" Internal - SATA (SATA/300)
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DELL
Dell-IMSourcing 50XV4 1 TB Hard Drive - 3.5" Internal - SATA (SATA/300)
  • NAND Flash Memory Type: SLC
  • Average Latency: 3Gb/s
  • Features: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 50XV4
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5R6CX 05R6CX Dell MBF2600RC 600GB 10000RPM 6Gbps 2.5" SAS SERVER HDD Hard Drive
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Seagate Barracuda ST2000DM001 2 TB 3.5 Internal Hard Drive
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  • $144.99 
  • $5.00 Shipping
Western Digital Ultrastar DC HC310 HUS726T4TALE6L4-0B36040 4TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
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  • $399.45 
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Dell Y1Y2H - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell Y1Y2H - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: Y1Y2H
Dell RMCP3 0RMCP3 ST1200MM0007 1.2TB 10K 6G  2.5" SAS Hard Drive
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  • $54.95 
Dell 8TB 7.2K 12Gbps NL SAS 3.5 HDD (43V7V)
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  • $275.00 
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Dell R755K 2 TB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
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DELL
Dell R755K 2 TB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
  • NAND Flash Memory Type: Hard Drive
  • Features: Hard Drive
  • Usage: Ideal for Servers
  • Parts: 30 DAYS WARRANTY
  • Model #: R755K
HP 2.40 TB 2.5" Internal Hard Drive - SAS
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HP 2.40 TB 2.5" Internal Hard Drive - SAS
  • NAND Flash Memory Type: Others
  • Parts: 3 Year
  • Model #: 881457-B21
IBM 00Y2432 00Y2507 00AR010 1.2TB 10000RPM 6Gbps 2.5" SAS SERVER HDD 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