• In Stock
  • Sold by Newegg
  • Make an Offer
  • New
  • Combo Deals Only
Brands
Show More
Price
Show More
Capacity
Interface
Show More
RPM
Show More
Cache
Form Factor
Usage
Show More
Sold by
All Top Brands
Availability
Condition
Current Promotion
Useful Links
Customer Ratings
  • Peripheral Discounts
  • WD HDD Category Banners
  • WD HDD Category Banners
  • Featured Brands

    See Deals from Western DigitalSee Deals from SeagateSee Deals from SAMSUNG
Sort By:
View:
P252M Dell 300GB 10K 6G 2.5 SAS Hard Drive HUC103030CSS600 0P252M
Quick View
  •  
  • $30.00 
  • Free Shipping
HP 495276-003 600GB Seagate ST3600002FC 3.5"Fibre Channel  10k Hard Drive w/Tray
Quick View
  •  
  • $30.00 
  • Free Shipping
Dell T871K 0T871K DELL 300GB 10K 6G SFF SAS HDD ST9300603SS
Quick View
  •  
  • $30.00 
  • Free Shipping
Hitachi HTS723232A7A364 SATA 320 GB 7200 RPM 2.5 in Hard Drive FF5
Quick View
  •  
  • $30.00 
  • Free Shipping
Dell 740Y7 // MBF2300RC 300GB SAS 10K 2.5" HDD with Tray
Quick View
  •  
  • $30.00 
  • Free Shipping
Dell 300GB 10K 6Gbps SAS 2.5 HDD 512n (740Y7)
Quick View
  •  
  • $30.00 
  • Free Shipping
Dell 300GB, 10K RPM, SAS w/ tray, 2.5"   - 740Y7
Quick View
  •  
  • $30.00 
  • Free Shipping
ST250DM000-DELL DELL 250GB 7200RPM 6G NCQ LFF SATA HARD DRIVE
Quick View
  •  
  • $30.00 
  • Free Shipping
Dell 740Y7 300GB 10k 6G SAS 2.5" Server Hard Drive w/3.5" Caddy
Quick View
  •  
  • $30.00 
  • Free Shipping
Dell 740Y7 0740Y7 300-GB 6G 10K 2.5 SP SAS w/F830C Tray .
Quick View
  •  
  • $30.00 
  • Free Shipping
0-HOURS ST9146852SS Seagate 9FU066 146GB 15K RPM 6Gb/s 2.5" SAS HDD Hard Drive
Quick View
ST9300605SS Seagate 745GC 0745GC 300GB 10K RPM 6Gb/s 2.5" SAS Hard Drive
Quick View
  •  
  • $30.96 
  • Free Shipping
WD5002ABYS Western Digital M020F 500GB 7200RPM 3Gb/s 3.5" SATA Hard Drive
Quick View
  •  
  • $30.96 
  • Free Shipping
286776-B22 BF036863B9 306645-002 HP 36.4 GB 15KWide Ultra320 3.5"SCSI Hard Drive
Quick View
  •  
  • $30.96 
  • Free Shipping
26K5777 26K5779 IBM 73.4GB 10K RPM 3Gb/s SFF NH 2.5" SAS SERVER HDD Hard Drive
Quick View
7YX58 07YX58 ST600MM0006 DELL 600GB 10K 6G SED SFF 2.5'' SAS HDD HARD DRIVE
Quick View
  •  
  • $31.50 
  • Free Shipping
ST3146356SS Seagate 146GB 15000RPM 3Gbps 3.5" SAS SERVER HDD Hard Drive
Quick View
  •  
  • $31.96 
  • Free Shipping
PGHJG  Dell ST300MM0006 SAVVIO 10K.6 300GB 10K 6G 64MB SFF 2.5" SAS Hard Drive
Quick View
  •  
  • $31.96 
  • Free Shipping
X160K ST9146803SS Dell 146GB 10K RPM 6Gb/s 2.5" SAS HDD Hard Drive
Quick View
DELL
X160K ST9146803SS Dell 146GB 10K RPM 6Gb/s 2.5" SAS HDD Hard Drive
  • Model #: X160K-ST9146803SS-0X160K-dell-new-ATP123
  •  
  • $32.00 
  • Free Shipping
Seagate SAVVIO 15K.2 ST9146852SS 9FU066 146GB 15KRPM 6Gb/s 2.5"SAS HDD HardDrive
Quick View
  •  
  • $32.00 
  • Free Shipping

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