• 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:
Seagate IronWolf ST4000VN006 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
Quick View
Seagate IronWolf ST4000VN006 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • Brand: Seagate
  • Series: IronWolf
  • Capacity: 4TB
  • RPM: 5400 RPM
  • Model #: ST4000VN006
ASKAsk me
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives Bare Drive - OEM
Quick View
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives Bare Drive - OEM
  • Height (maximum): 20.17mm
  • Width (maximum): 101.60mm
  • Length (maximum): 146.99mm
  • Model #: ST4000DM004
ASKAsk me
WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD100EFGX
Quick View
ASKAsk me
Seagate BarraCuda ST2000DM008 2TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drive Bare Drive
Quick View
Seagate BarraCuda ST2000DM008 2TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drive Bare Drive
  • Height (maximum): 20.20mm
  • Width (maximum): 101.85mm
  • Length (maximum): 146.99mm
  • Model #: ST2000DM008
ASKAsk me
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5" Internal Hard Drive - OEM
Quick View
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5" Internal Hard Drive - OEM
  • Brand: Seagate
  • Series: IronWolf Pro
  • Capacity: 16TB
  • RPM: 7200 RPM
  • Model #: ST16000NT001
ASKAsk me
Seagate IronWolf Pro ST8000NT001 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
Quick View
Seagate IronWolf Pro ST8000NT001 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • Brand: Seagate
  • Series: IronWolf Pro
  • Capacity: 8TB
  • RPM: 7200 RPM
  • Model #: ST8000NT001
ASKAsk me
Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
Quick View
ASKAsk me
Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
Quick View
Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • Brand: Seagate
  • Series: IronWolf Pro
  • Capacity: 20TB
  • RPM: 7200 RPM
  • Model #: ST20000NT001
ASKAsk me
WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives -WD80EFPX
Quick View
WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives -WD80EFPX
  • Brand: WD
  • Series: Red Plus
  • Capacity: 8TB
  • RPM: 5640 RPM
  • Model #: WD80EFPX
ASKAsk me
Synology HAT3300 4TB Plus Series SATA HDD 3.5"
Quick View
Synology HAT3300 4TB Plus Series SATA HDD 3.5"
  • Height (maximum): 20.20mm
  • Width (maximum): 101.85mm
  • Length (maximum): 147mm
  • Model #: HAT3300-4T
ASKAsk me
WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch -  WD120EFGX
Quick View
ASKAsk me
Seagate BarraCuda ST24000DM001 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
Quick View
Seagate BarraCuda ST24000DM001 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Brand: Seagate
  • Series: BarraCuda
  • Capacity: 24TB
  • RPM: 7200 RPM
  • Model #: ST24000DM001
ASKAsk me
Synology HAT3310 16TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-16T)
Quick View
Synology HAT3310 16TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-16T)
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Length (maximum): 147mm
  • Model #: HAT3310-16T
ASKAsk me
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5" - WD181KFGX
Quick View
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5" - WD181KFGX
  • NAND Flash Memory Type: Hard Drive
  • Recording Technology: CMR
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Model #: WD181KFGX
ASKAsk me
WD Red Pro 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - WD8005FFBX
Quick View
WD Red Pro 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - WD8005FFBX
  • Brand: WD
  • Series: Red Pro
  • Capacity: 8TB
  • RPM: 7200 RPM
  • Model #: WD8005FFBX
ASKAsk me
Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
Quick View
Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • Brand: Seagate
  • Series: IronWolf Pro
  • Capacity: 28TB
  • RPM: 7200 RPM
  • Model #: ST28000NT000
ASKAsk me
Seagate SkyHawk ST4000VX016 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
Quick View
Seagate SkyHawk ST4000VX016 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • Recording Technology: CMR
  • Height (maximum): 20.20mm
  • Width (maximum): 101.85mm
  • Length (maximum): 146.99mm
  • Model #: ST4000VX016
ASKAsk me
Synology 6TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3300-6T)
Quick View
Synology 6TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3300-6T)
  • Height (maximum): 146.99mm
  • Width (maximum): 101.85mm
  • Length (maximum): 146.99mm
  • Model #: HAT3300-6T
ASKAsk me
WD Red Pro 20TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD202KFGX
Quick View
WD Red Pro 20TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD202KFGX
  • Brand: Western Digital
  • Series: Red Pro
  • Capacity: 20TB
  • RPM: 7200 RPM
  • Model #: WD202KFGX
ASKAsk me
Seagate IronWolf Pro ST32000NT000 32TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
Quick View
Seagate IronWolf Pro ST32000NT000 32TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • Brand: Seagate
  • Series: IronWolf Pro
  • Capacity: 32TB
  • RPM: 7200 RPM
  • Model #: ST32000NT000
ASKAsk me
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
Quick View
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
  • Brand: Seagate
  • Series: IronWolf Pro
  • Capacity: 24TB
  • RPM: 7200 RPM
  • Model #: ST24000NT002
ASKAsk me
Synology 8TB HAT3320 Plus Series SATA III 3.5" Internal NAS HDD (HAT3320-8T)
Quick View
Synology 8TB HAT3320 Plus Series SATA III 3.5" Internal NAS HDD (HAT3320-8T)
  • Brand: Synology
  • Series: Plus Series
  • Model: HAT3320-8T
  • Capacity: 8TB
  • Model #: HAT3320-8T
Synology HAT3310 12TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-12T)
Quick View
Synology HAT3310 12TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-12T)

+ $5 off w/ promo code FTTF248, limited offer

  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Length (maximum): 147mm
  • Model #: HAT3310-12T
ASKAsk me
WD Red Pro 4TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - WD4005FFB
Quick View
WD Red Pro 4TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - WD4005FFB
  • Brand: WD
  • Series: Red Pro
  • Capacity: 4TB
  • RPM: 7200 RPM
  • Model #: WD4005FFBX
ASKAsk me
WD Red Pro 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - WD161KFGX
Quick View
WD Red Pro 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - WD161KFGX
  • Brand: WD
  • Series: Red Pro
  • Capacity: 16TB
  • RPM: 7200 RPM
  • Model #: WD161KFGX
ASKAsk me
WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD40EZAX
Quick View
WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD40EZAX
  • Recording Technology: CMR
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD40EZAX
ASKAsk me
Seagate SkyHawk ST8000VX010 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
Quick View
Seagate SkyHawk ST8000VX010 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives
  • Height (maximum): 26.1mm
  • Width (maximum): 101.6mm
  • Length (maximum): 149.99mm
  • Model #: ST8000VX010
ASKAsk me
Toshiba N300 Pro 12TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG51CUZSVB
Quick View
ASKAsk me
WD Red Plus 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives - WD60EFPX
Quick View
WD Red Plus 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives - WD60EFPX
  • NAND Flash Memory Type: Hard Drive
  • Recording Technology: CMR
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Model #: WD60EFPX
ASKAsk me
WD Red Plus 2TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD20EFPX
Quick View
WD Red Plus 2TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD20EFPX
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD20EFPX
ASKAsk me
WD Black 10TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - WD102FZBX
Quick View
ASKAsk me
WD Red Pro 10TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD103KFBX
Quick View
WD Red Pro 10TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD103KFBX
  • Brand: Western Digital
  • Series: Red Pro
  • Capacity: 10TB
  • RPM: 7200 RPM
  • Model #: WD103KFBX
ASKAsk me
WD WD85PURZ 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5"
Quick View
ASKAsk me

Related searches

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