• 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
Discount
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:
68V42 ST1200MM0007 Dell POWEREDGE 1.2TB 10K RPM 6Gbps  2.5" SAS HDD Hard Drive
Quick View
  •  
  • $49.95 
  • Free Shipping
H8DVC ST9300653SS Dell SAVVIO 300GB 15K RPM 6Gbps 2.5" SAS SERVER HDD Hard Drive
Quick View
  •  
  • $48.00 
  • Free Shipping
IBM 1 TB 3.5" Internal Hard Drive
Quick View
IBM 1 TB 3.5" Internal Hard Drive
  • Features: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 43W7633
  •  
  • $173.19 
  • Free Shipping
ASKAsk me
202V7 Dell WD4001FYYG Original 4TB 7.2K RPM 6Gb/s 3.5" SAS SERVER HDD Hard Drive
Quick View
ASKAsk me
FNW88 DELL 1TB 7.2K 3.5" SAS 6Gb/s HDD with tray 0FNW88 ST1000NM0023
Quick View
  •  
  • $52.95 
ST3000NM0023-DEL DELL CONSTELLATION ES.3 3TB 7200RPM 3.5-INCH SAS HARD DRIVE
Quick View
  •  
  • $58.00 
  • Free Shipping
ST3300657SS F617N Dell CHEETAH 300GB 15K RPM 6Gb/s 3.5" SAS Hard Drive
Quick View
DELL
ST3300657SS F617N Dell CHEETAH 300GB 15K RPM 6Gb/s 3.5" SAS Hard Drive
  • Model #: ST3300657SS-0F617N-F617N-dell-new-drive
ASKAsk me
Fujitsu MBC2073RC 2.5-Inch 15K 73GB SAS Hard Drive
Quick View
  •  
  • $75.10 
  • Free Shipping
Dell CONSTELLATION.2 9W5WV ST91000640SS 1TB 7200RPM 6Gbps 2.5"SAS HDD Hard Drive
Quick View
  •  
  • $38.95 
  • Free Shipping
Dell 55RMX 055RMX 500GB 6G 7.2K 2.5" SAS Hard Drive ST9500620SS
Quick View
  •  
  • $37.90 
  • Free Shipping
HGST 0F27356 - 8TB 3.5" SAS 7,200 RPM 12Gb/s Hard Drive
Quick View
HGST 0F27356 - 8TB 3.5" SAS 7,200 RPM 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 0F27356
Dell 2RR9T // ST900MM0006 900GB SAS 10K 2.5" Hard Drive with Tray
Quick View
  •  
  • $50.00 
  • Free Shipping
Dell YM86T - Dell 8TB 3.5" SATA 7.2K 6Gb/s Hard Drive
Quick View
DELL
Dell YM86T - Dell 8TB 3.5" SATA 7.2K 6Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: YM86T
OEM DELL EQUALLOGIC PS5000E PS6000E 2TB 7.2K SATA HDD ST2000NM0011 2P4N9 W/TRAY
Quick View
  •  
  • $98.95 
  • Free Shipping
Dell 4X1DR // WD9001BKHG-18D22V1 900Gb 10K SAS 6Gbps 2.5" HDD
Quick View
  •  
  • $46.00 
  • Free Shipping
DELL 300GB 15K SAS 2.5" HDD  H8DVC - ST9300653SS - 0YVFK8 - 0C8TC5 - C8TC5 SED
Quick View
  •  
  • $54.00 
  • Free Shipping
Dell CGKW9 1.8TB 10K 4Kn SAS-12Gbps 2.5" Hot-Plug Hard Drive
Quick View
  •  
  • $95.10 
  • Free Shipping
HP 653947-001 1TB 7200 RPM Serial Attached SCSI (SAS) 3.5" Internal Hard Drive Bare Drive
Quick View
  •  
  • $144.45 
  • Free Shipping
ST300MM0006-DELL 300GB 10K 6G SFF SAS HDD
Quick View
Dell 300GB 6G SAS 15K 2.5 HDD H8DVC NWH7V R610 R710 R620 R720 R630 R730
Quick View
  •  
  • $89.95 
  • Free Shipping
DELL ENTERPRISE ACCESSORIES 400-AGMN 6TB SATA 6GBPS 3.5IN 7.2K RPM
Quick View
DELL
DELL ENTERPRISE ACCESSORIES 400-AGMN 6TB SATA 6GBPS 3.5IN 7.2K RPM
  • NAND Flash Memory Type: SLC
  • Average Latency: 6Gb/s
  • Model #: 400-AGMN
  •  
  • $314.45 
  • Free Shipping
JY57X Dell 1.8TB 10K SAS 12G 256M 512e 2.5" Hard Drive 0JY57X
Quick View
DELL
Refurbished JY57X Dell 1.8TB 10K SAS 12G 256M 512e 2.5" Hard Drive 0JY57X
  • Average Seek Time: 4.5 ms
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: JY57X

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