• 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
  • Featured Brands

    See Deals from Western DigitalSee Deals from SeagateSee Deals from SAMSUNG
Sort By:
View:
HGST Ultrastar He8 HUH728080AL5200 (0F23268) 8TB 7200 RPM 128MB Cache SAS 12Gb/s 3.5" Helium Platform Enterprise Hard Drive Bare Drive
Quick View
HGST Ultrastar He8 HUH728080AL5200 (0F23268) 8TB 7200 RPM 128MB Cache SAS 12Gb/s 3.5" Helium Platform Enterprise Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Average Write Time: 9ms
  • Average Latency: 4.16ms
  • Height (maximum): 26.1mm
  • Model #: 0F23268
Seagate ST10000NM0236 10 TB Hard Drive - SAS (12Gb/s SAS) - 3.5" Drive - Internal
Quick View
Seagate
Seagate ST10000NM0236 10 TB Hard Drive - SAS (12Gb/s SAS) - 3.5" Drive - Internal
  • NAND Flash Memory Type: Hard Drive
  • Features: SED-FIPS/Common Criteria Model (512e)
  • Encryption: Encryption
  • Usage: For Enterprise Storage
  • Model #: ST10000NM0236
  •  
  • $470.10 
  • Free Shipping
DELL 1TB 7200RPM 3GB PER SECOND SATA 3.5 INCH HARD DRIVE  NEW BULK BARE DRIVE  3 YEAR WARRANTY THRU TECH EXPERTS
Quick View
HPE 693647-001 1.20 TB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
Quick View
  •  
  • $60.00 
  • Free Shipping
WD WD2503ABYX WD2503ABYX 250 GB Hard Drive - 3.5" Internal - SATA (SATA/300)
Quick View
Western Digital
Refurbished WD WD2503ABYX WD2503ABYX 250 GB Hard Drive - 3.5" Internal - SATA (SATA/300)
  • NAND Flash Memory Type: SLC
  • Usage: Ideal for Servers
  • Model #: WD2503ABYX
Dell 0C3YJM (ST500NM0011) 500GB 7.2K RPM 3.5" SATA-6GB/s HDD
Quick View
Dell 342-2087 300GB 15000 RPM SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
Quick View
Dell 342-2087 300GB 15000 RPM SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Latency: 12Gb/s
  • Parts: 2 yrs
  • Labor: 2 yrs
  • Model #: 342-2087
  •  
  • $140.00 
  • Free Shipping
HP 507613-002 MB2000FAMYV 2 TB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
Quick View
HP 507613-002 MB2000FAMYV 2 TB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
  • NAND Flash Memory Type: Hard Drive
  • Model #: 507613-002
Seagate DB35 Series 7200.2 ST3160212SCE 160GB 7200 RPM 2MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
Quick View
  •  
  • $40.00 
  • $10.99 Shipping
ASKAsk me
Fujitsu MBD2300RC MBD2 RC MBD2300RC 300 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
Quick View
ASKAsk me
Dell 341-9630 600GB 15000 RPM SAS 3Gb/s 3.5" Internal Hard Drive Bare Drive
Quick View
DELL
Dell 341-9630 600GB 15000 RPM SAS 3Gb/s 3.5" Internal Hard Drive Bare Drive
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 341-9630
  •  
  • $102.19 
  • Free Shipping
Dell V8FCR 1 TB Hard Drive - 3.5" Internal - SATA (SATA/300)
Quick View
DELL
Dell V8FCR 1 TB Hard Drive - 3.5" Internal - SATA (SATA/300)
  • NAND Flash Memory Type: SLC
  • Average Latency: 3Gb/s
  • Features: Hard Drive
  • Parts: 2 yrs from Vendor
  • Model #: V8FCR
DELL 1TB 7200RPM 6GB PER SECOND SATA 3.5 INCH HARD DRIVE  NEW BULK BARE DRIVE 
3 YEAR WARRANTY THRU TECH EXPERTS
Quick View
  •  
  • $74.99 
  • Free Shipping
Dell RMCP3 - 1.2TB 2.5" SAS 10K 6Gb/s HS Hard Drive
Quick View
Dell RMCP3 - 1.2TB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: RMCP3
Hitachi GST Ultrastar 15K300 HUS153030VLS300 (0B22132) 300GB 15000 RPM 16MB Cache Serial Attached SCSI (SAS) 3.5" Hard Drive Bare Drive
Quick View
  •  
  • $89.00 
  • $15.00 Shipping
Dell Seagate R749K 0R749K 450GB 15K 6G 16MB 3.5in SAS Hard Drive ST3450857SS
Quick View
DELL
Dell Seagate R749K 0R749K 450GB 15K 6G 16MB 3.5in SAS Hard Drive ST3450857SS
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: CWH-264167221712
Dell-IMSourcing 55FX5 2 TB Hard Drive - 3.5" Internal - SATA
Quick View
DELL
Dell-IMSourcing 55FX5 2 TB Hard Drive - 3.5" Internal - SATA
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 55FX5
36RH9 036RH9 Dell ENTERPRISE 1.2TB 10K RPM 6Gbps 2.5" SAS SERVER HDD Hard Drive
Quick View
  •  
  • $57.00 
  • Free Shipping
ASKAsk me
Dell 36RH9 1.2TB 10000RPM 6Gb/s 2.5" SAS Hard Drive Seagate ST1200MM0088
Quick View
Dell 300GB 10K RPM 2.5" SAS Hard Drive with Tray  Seagate ST9300603SS  C975M
Quick View
Seagate BarraCuda 7200.10 ST3250620AS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive (Perpendicular Recording) Bare Drive
Quick View
Seagate BarraCuda 7200.10 ST3250620AS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive (Perpendicular Recording) Bare Drive
  • Average Seek Time: 8.5ms
  • Average Write Time: 10ms
  • Average Latency: 4.16ms
  • Parts: 5 years limited
  • Model #: ST3250620AS
  • $106.35
  •  
  • $55.00 
  • Save: 48%
  • $10.99 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:

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