• 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:
Dell F617N 15K.7 300GB 15K 3.5" ST3300657SS SAS Hard Drive
Quick View
600GB Dell 15K 12GB/s SAS 2.5" Hot Swap HDD DYDW0
Quick View
DELL
600GB Dell 15K 12GB/s SAS 2.5" Hot Swap HDD DYDW0
  • Average Latency: 6Gb/s
  • Model #: DYDW0
9ZM273-150 Dell 1TB 7.2K SAS 6G LFF Hard Drive
Quick View
9SW066-150 Dell 300GB 15K SAS 6G SFF Hard Drive
Quick View
ASKAsk me
Dell 0YJ2KH - 300GB 2.5" SAS 10K 12Gb/s Hot Swap Hard Drive
Quick View
  •  
  • $73.00 
  • Free Shipping
Dell GC828 146 GB Hard Drive - 3.5" Internal - SCSI (Ultra320 SCSI)
Quick View
9ZM278-150 Dell 3TB 7.2K SAS 6G LFF Hard Drive
Quick View
0B26901 Dell 3TB 7.2K SAS 6G LFF Hard Drive
Quick View
ASKAsk me
9TG066-150 Dell 600GB 10K SAS 6G SFF Hard Drive
Quick View
1XJ233-151 Dell 1.8TB 10K SAS 12G SFF Hard Drive
Quick View
ASKAsk me
Dell 600 GB 2.5" Internal Hard Drive
Quick View
DELL
Dell 600 GB 2.5" Internal Hard Drive
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: V5300
Dell 4TB 3.5" Nearline SAS 7200 RPM 12Gb/s Hard Drive
Quick View
DELL
Dell 4TB 3.5" Nearline SAS 7200 RPM 12Gb/s Hard Drive
  • NAND Flash Memory Type: SLC
  • Average Latency: 12Gb/s
  • Model #: 400-ASHY
9YZ268-150 Dell 2TB 7.2K SAS 6G LFF Hard Drive
Quick View
ASKAsk me
HGST HUH728080ALN600 - 8TB 3.5" SATA 7,200 RPM 6Gb/s Hard Drive
Quick View
HGST HUH728080ALN600 - 8TB 3.5" SATA 7,200 RPM 6Gb/s Hard Drive
  • Usage: Ideal for Servers
  • Model #: HUH728080ALN600
9YZ264-150 Dell 1TB 7.2K SAS 6G LFF Hard Drive
Quick View
ASKAsk me
9RZ268-150 Dell 1TB 7.2K SAS 6G SFF Hard Drive
Quick View
1MJ200-150 Dell 600GB 15K SAS 6G SFF Hard Drive
Quick View
ASKAsk me
9FJ066-150 Dell 146GB 10K SAS 6G SFF Hard Drive
Quick View
ASKAsk me
1FF200-151 Dell 1.2TB 10K SAS 12G SFF Hard Drive
Quick View
ASKAsk me
9F6066-043 Dell 146GB 10K SAS 3G SFF Hard Drive
Quick View
1FE200-157 Dell 900GB 10K SAS 12G SFF Hard Drive
Quick View
HDEBLB2DAB51 Dell 1.2TB 10K SAS 12G SFF Hard Drive
Quick View
T6TWN DELL 1.2TB 10K SAS 6Gbps 2.5 HDD
Quick View
DELL
T6TWN DELL 1.2TB 10K SAS 6Gbps 2.5 HDD
  • Model #: 21e-853048000252184
Dell 4HGTJ - Dell 600GB 2.5" SAS 15K 12Gb/s Hard Drive
Quick View
DELL
Dell 4HGTJ - Dell 600GB 2.5" SAS 15K 12Gb/s Hard Drive
  • Usage: For Enterprise Storage
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 4HGTJ
1HT27Z-150 Dell 6TB 7.2K SAS 6G LFF Hard Drive
Quick View
ASKAsk me
Western Digital Caviar RE WD1600YS 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
Quick View
Used - Like New Western Digital Caviar RE WD1600YS 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
  • Average Latency: 4.2ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: WD1600YS
Toshiba AL Series 1.2TB 10K RPM 512n SAS 12Gb/s 2.5" Enterprise HDD (AL15SEB120N)
Quick View
Toshiba AL Series 1.2TB 10K RPM 512n SAS 12Gb/s 2.5" Enterprise HDD (AL15SEB120N)
  • NAND Flash Memory Type: Hard Drive
  • Usage: For Enterprise Storage
  • Model #: AL15SEB120N
Dell K25J9 - 500GB 3.5" SATA 10K 6Gb/s Hard Drive
Quick View
DELL
Dell K25J9 - 500GB 3.5" SATA 10K 6Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: K25J9
  •  
  • $76.00 
  • Free Shipping
1VE200-150  Dell 1TB 7.2K SAS 12G SFF Hard Drive
Quick View
ASKAsk me
1MG200-151 Dell 300GB 15K SAS 12G SFF Hard Drive
Quick View
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:

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