• In Stock
  • Sold by Newegg
  • Make an Offer
  • New
Brands
Show More
Price
Show More
Capacity
Interface
Show More
RPM
Show More
Cache
Form Factor
Usage
Show More
All Top Brands
Availability
Condition
Current Promotion
Discount
Sold by
Useful Links
Customer Ratings
  • Victory is near
  • Featured Brands

    See Deals from Western DigitalSee Deals from SeagateSee Deals from SAMSUNG
Sort By:
View:
IBM 40K1044 146GB 15000 RPM 8MB Cache SAS 3Gb/s 3.5" Internal Hard Drive
Quick View
  •  
  • $37.49 
  • Free Shipping
ST600MM0006-DELL 600GB 10000RPM 6GBPS SED SFF SAS HARD DRIVE
Quick View
  •  
  • $37.50 
  • Free Shipping
R72NV 0R72NV ST9600205SS DELL 600GB 10K 6G SFF SAS HDD FOR M610 M710 M805 M915
Quick View
  •  
  • $37.50 
  • Free Shipping
Dell WD3001BKHG 300GB 6G 10K 2.5" SP SAS CWHNN HDD 0CWHNN
Quick View
  •  
  • $37.50 
  • Free Shipping
Hitachi 250GB 5400RPM 2.5' SATA HTS545025B9A300
Quick View
  •  
  • $37.89 
  • Free Shipping
Dell 55RMX 055RMX 500GB 6G 7.2K 2.5" SAS Hard Drive ST9500620SS
Quick View
  •  
  • $37.90 
  • Free Shipping
Western Digital WD5000LPLX  500GB 7200RPM 6Gbps 2.5" SATA LAPTOP HDD Hard Drive
Quick View
  •  
  • $37.95 
  • Free Shipping
ST900MM0006 Seagate 9WH066 10K.6 900GB 10K RPM 6Gbps 2.5" SAS Hard Drive
Quick View
  •  
  • $37.96 
  • Free Shipping
HCS721050CLA362 0F13836 Hitachi 500GB 7200RPM 3Gbps 3.5" SATA HDD Hard Drive
Quick View
  •  
  • $37.96 
  • Free Shipping
Dell 1KWKJ 500 GB 3.5 " 7.2 K Sata Hard Drive with Tray
Quick View
9SV066-150 Dell 146GB 15K SAS 6G SFF Hard Drive
Quick View
Dell 7YX58 600GB 10k RPM 2.5" SAS-6Gb/s hdd
Quick View
HUS724020ALS640 0B26887 Hitachi 2TB 7.2K RPM 6Gb/s 3.5" SAS HDD Hard Drive
Quick View
  •  
  • $37.99 
71P7555 300GB 10000RPM Fibre Channel 3.5Inch IBM Hard Drive
Quick View
  •  
  • $37.99 
  • Free Shipping
71P7535 300GB 10000RPM Fibre Channel 3.5Inch IBM Hard Drive
Quick View
  •  
  • $37.99 
  • Free Shipping
22R5947 300GB 10000RPM Fibre Channel 3.5Inch IBM Hard Drive
Quick View
  •  
  • $37.99 
  • Free Shipping
22R5501 IBM 300GB 10000RPM FC HARD DRIVE
Quick View
  •  
  • $37.99 
  • Free Shipping
990FD Dell 600GB 2.5" SFF SAS 6Gb 15K Hard Drive HDEAE00DAA51 0990FD Refurbished
Quick View
  •  
  • $38.00 
  • Free Shipping
Dell CWHNN 300GB 10K SAS 2.5 6G WD3001BKHG HDD Hard Drive - Tested - Free Ship
Quick View
  •  
  • $38.00 
  • Free Shipping
Dell (9W5WV) 1TB 7.2K SAS 2.5" Hard Drive
Quick View
  •  
  • $38.00 
  • Free Shipping
636929-001 HP 500GB 6G NCQ 7.2K SATA LFF 3.5" Hard Drive 633980-001 639709-001
Quick View
  •  
  • $38.00 
  • 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:

Casey H.
7/21/2025 4:10:23 PM
My "Go To" for HDs

“ These are my "go to" drives for not only internal system drives, but also offloading external storage; using a 4 Bay USB 3.x Drive Cage. ”

Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives Bare Drive - OEM