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WD Red Pro 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - WD161KFGX
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WD Red Pro 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - WD161KFGX

OUT OF STOCK

  • Brand: WD
  • Series: Red Pro
  • Capacity: 16TB
  • RPM: 7200 RPM
  • Model #: WD161KFGX
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Dell YXG4K - 4TB 3.5" SAS 7.2K 12Gb/s Hot Swap Hard Drive
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DELL
Dell YXG4K - 4TB 3.5" SAS 7.2K 12Gb/s Hot Swap Hard Drive
  • NAND Flash Memory Type: SLC
  • Model #: YXG4K
H8DVC DELL 300GB 15K SAS SFF HDD 6Gbps
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DELL
H8DVC DELL 300GB 15K SAS SFF HDD 6Gbps
  • Model #: 425-936813000262393
342-0856 DELL 600GB 10K SAS 2.5 SFF HDD 6Gbps
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Dell XX518 146GB Hard Drive
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DELL
Dell XX518 146GB Hard Drive
  • Model #: 7-9C003ZTKUTO
1FM201-150 Dell 2TB 7.2K SAS 12G SFF Server Hard Drive
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Dell 0KCVF5 - Dell 4TB 3.5" SAS 7.2K 12Gb/s Hard Drive
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DELL
Dell 0KCVF5 - Dell 4TB 3.5" SAS 7.2K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 0KCVF5
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
Dell T6TWN - 1.2TB 2.5" SAS 10K 6Gb/s HS Hard Drive
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Dell T6TWN - 1.2TB 2.5" SAS 10K 6Gb/s HS Hard Drive
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Dell P00JM - 6TB 3.5" SATA 7,200 RPM 6Gb/s Hard Drive
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DELL
Dell P00JM - 6TB 3.5" SATA 7,200 RPM 6Gb/s Hard Drive
  • Usage: Ideal for Servers
  • Model #: P00JM
RMCP3 DELL 1.2TB 10K SAS 6Gbs 2.5 HDD
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DELL
RMCP3 DELL 1.2TB 10K SAS 6Gbs 2.5 HDD
  • Model #: 101-803551000252434
0VPTJ DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
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DELL
0VPTJ DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
  • Model #: 7a0-503474000263628
D6MV7 DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
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DELL
D6MV7 DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
  • Model #: d08-527428000263628
HVJNH DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
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DELL
HVJNH DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
  • Model #: c60-750266000253578
4H48X DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
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DELL
4H48X DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
  • Model #: e8a-519820000263628
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43N12 DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
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DELL
43N12 DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
  • Model #: 88e-429270000262159
825MC DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
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DELL
825MC DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
  • Model #: 94a-524551000263628
400-AEEU DELL 600GB 10K SAS 3.5 HDD 6Gbps
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DELL
400-AEEU DELL 600GB 10K SAS 3.5 HDD 6Gbps
  • Model #: 033-107189000262480
WDCMN DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
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DELL
WDCMN DELL 1.8TB 10K SAS 6Gbps 2.5 HDD
  • Model #: ed6-429274000262159
Dell 400-AJUP - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell 400-AJUP - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 400-AHNS
HGST Ultrastar A7K2000 HUA722050CLA330 500 GB 3.5" Internal Hard Drive
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  • $75.00 
  • Free Shipping
C5R62 DELL 600GB 10K SAS 2.5 SFF HDD 6Gbps
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DELL
C5R62 DELL 600GB 10K SAS 2.5 SFF HDD 6Gbps
  • Model #: bf9-057053000262337
Dell 6 TB 3.5" Internal Hard Drive
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LOT OF 10 - Dell TN937 ST3146855SS 146GB 15K RPM 3Gb/s 3.5" SAS HDD Hard Drives
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  • $550.10 
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1V4207-150 Dell 4TB 7.2K SAS 12G LFF Hard Drive
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HDEBJ40DAB51 Dell 1.8TB 10K SAS 12G SFF Hard Drive
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600GB SAS 3.5" 15K 6G Hard Drive Compatible 400-20613
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ASKAsk me

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:

the Muttonmastwer
5/11/2026 11:18:09 AM
Hasn't broken yet

“ I have it attached via USB on my desktop and it has all my work on it, safe from Windoze crash damage or erasure on OS re-installs. ”

WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX