• 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 YJ0GR 300GB 10k RPM 6Gbps SAS 2.5" Hard Drive w/ Caddy R Series 0B25654
Quick View
  •  
  • $41.00 
  • Free Shipping
RN828 ST3300555SS Dell 300GB 15K RPM 3Gbps HotSwap 3.5" SAS HDD Hard Drive
Quick View
  •  
  • $64.95 
  • Free Shipping
Dell 55RMX 055RMX 500GB 6G 7.2K 2.5" SAS Hard Drive ST9500620SS
Quick View
  •  
  • $37.90 
  • Free Shipping
ST300MM0006-DELL 300GB 10K 6G SFF SAS HDD
Quick View
HP 507283-001 146GB 10000 RPM SATA 2.5" Internal Hard Drive Bare Drive
Quick View
HP 507283-001 146GB 10000 RPM SATA 2.5" Internal Hard Drive Bare Drive
  • Average Latency: 6Gb/s
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 507283-001
  • $54.00
  •  
  • $49.99 
  • Save: 7%
  • Free Shipping
Dell 2RR9T // ST900MM0006 900GB SAS 10K 2.5" Hard Drive with Tray
Quick View
  •  
  • $50.00 
  • Free Shipping
Dell 300GB 6G SAS 15K 2.5 HDD H8DVC NWH7V R610 R710 R620 R720 R630 R730
Quick View
  •  
  • $89.95 
  • Free Shipping
FNW88 DELL 1TB 7.2K 3.5" SAS 6Gb/s HDD with tray 0FNW88 ST1000NM0023
Quick View
  •  
  • $52.95 
Dell 4X1DR // WD9001BKHG-18D22V1 900Gb 10K SAS 6Gbps 2.5" HDD
Quick View
  •  
  • $46.00 
  • Free Shipping
Y4MWH Dell EqualLogic 0Y4MWH 600GB SAS 10K 2.5" 6Gbps HDD Hard Drive ST9600205SS
Quick View
  •  
  • $40.00 
  • Free Shipping
NJYM3 Dell EqualLogic 146GB 15K SAS 6Gbps 2.5" Internal Hard Drive 0NJYM3
Quick View
DELL
Refurbished NJYM3 Dell EqualLogic 146GB 15K SAS 6Gbps 2.5" Internal Hard Drive 0NJYM3
  • Average Seek Time: 4.5ms
  • Part Number: NJYM3
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: NJYM3
OEM DELL EQUALLOGIC PS5000E PS6000E 2TB 7.2K SATA HDD ST2000NM0011 2P4N9 W/TRAY
Quick View
  •  
  • $98.95 
  • Free Shipping
Dell CGKW9 1.8TB 10K 4Kn SAS-12Gbps 2.5" Hot-Plug Hard Drive
Quick View
  •  
  • $95.10 
  • Free Shipping
8WR71 ST9300653SS Dell EQL 300GB 15000RPM 6Gbps 2.5" SAS SERVER HDD Hard Drive
Quick View
  •  
  • $159.45 
  • Free Shipping
AL13SEB600 5TFDD Dell 600GB 10000RPM 6Gbps 2.5" SAS SERVER HDD Hard Drive
Quick View
ASKAsk me
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
"Dell 400-AJQD / 6WCT7 1.2TB 2.5"" 10K RPM SAS Hard Drive Kit NRX7Y"
Quick View
  •  
  • $150.00 
hpe 872477-b21 872736-001 600gb 12g sas 10k 2.5 sff ent hdd sc ds new factory sealed
Quick View
  •  
  • $250.00 
  • Free Shipping
F5HFM-FS DELL 1.2TB 10K SAS 2.5" 12Gb HDD KIT FOR R640 R740 R740XD R940 C6420
Quick View
  •  
  • $150.00 
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
Dell 400-ATJR / T8VMH 1.8TB 2.5 10K RPM HS 512e  SAS Hard Drive Kit DXD9H
Quick View
  •  
  • $200.00 
401-ABDC DELL 1.2TB 10K SAS 3.5" 12Gb HDD KIT FOR R640 R740 R740XD R940 C6420
Quick View
  •  
  • $150.00 
Seagate 16TB HDD Exos X16 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drives - ST16000NM001G
Quick View
  •  
  • $11,000.00 
  • Free Shipping
Dell 400-ATKK / JYP2T 2TB 3.5" 6Gbps 7.2K RPM 512N SATA Hard Drive Kit X7K8W
Quick View
  •  
  • $275.00 
4Hgtj 600Gb 15K 2.5 12Gbs Sas Hdd
Quick View
DELL
4Hgtj 600Gb 15K 2.5 12Gbs Sas Hdd
  • Model #: a54b4070-6c65-4-N2
400-AJXM DELL 1.8TB 10K SAS 2.5" 12Gb/s HDD KIT FOR T330, T430, T530, T630, R330
Quick View
  •  
  • $200.00 
ASKAsk me
HGST Ultrastar C10K900 HUC109045CSS600 450 GB 2.5 Internal Hard Drive SAS - 10000 rpm - 64 MB Buffer
Quick View
  •  
  • $18.50 
  • $5.99 Shipping
  • $15.80 - $18.50
Dell 400-ATIN 600GB 15000 RPM SAS 12Gb/s 2.5" 512n Hot-plug Drive
Quick View
  •  
  • $144.45 
  • Free Shipping
ASKAsk me
ST14000NM002G Seagate Exos X16 14TB 7.2K SAS 12Gbps 3.5" Internal Hard Drive
Quick View
Seagate
Refurbished ST14000NM002G Seagate Exos X16 14TB 7.2K SAS 12Gbps 3.5" Internal Hard Drive
  • Average Seek Time: 4.16ms
  • Average Latency: 4.16ms
  • Part Number: ST14000NM002G
  • Parts: 30 Days
  • Model #: ST14000NM002G-ref

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