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Dell 400-AUWU - Dell 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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  • $125.00 
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Dell 342-0857 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 342-0857 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-0857
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  • $178.19 
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Fujitsu MHZ2080BJ-G2 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Used - Like New Fujitsu MHZ2080BJ-G2 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 10.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MHZ2080BJ-G2
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  • $66.00 
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Dell 342-4173 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 342-4173 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-4173
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  • $187.00 
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SAMSUNG Spinpoint M8 ST320LM001 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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SAMSUNG
Refurbished SAMSUNG Spinpoint M8 ST320LM001 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Model #: ST320LM001
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  • $50.00 
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HP 600 GB 2.5" Internal Hard Drive
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  • $205.10 
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Hitachi GST HTS547564A9E384 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $53.00 
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OEM HGST 500GB 32MB Cache 7200RPM SATA III 6.0Gb/s 2.5" Laptop / Macbook Hard Drive
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  • $68.00 
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Dell 342-5755 - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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  • $219.19 
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Dell X829K 146 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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Lenovo 1.20 TB 2.5" Internal Hard Drive
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HP 652749-B21-R 1TB 7200 RPM SAS 6Gb/s 2.5" SFF SC Midline Hard Drive
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HP
Refurbished HP 652749-B21-R 1TB 7200 RPM SAS 6Gb/s 2.5" SFF SC Midline Hard Drive
  • NAND Flash Memory Type: others
  • Height (maximum): 15.6 mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.7 mm
  • Model #: 652749-B21-R
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SAMSUNG Spinpoint M7E HM251HI 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Used - Like New SAMSUNG Spinpoint M7E HM251HI 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Parts: 3 years limited
  • Model #: HM251HI
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  • $65.10 
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Dell 900 GB 2.5" Internal Hard Drive
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  • $242.00 
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Samsung SpinPoint ST500LM012 500GB 5.4K SATA 2.5" Laptop Hard Drive
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  • $30.00 
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HP Enterprise 507125-B21-R 146GB 10000 RPM SAS 6Gb/s 2.5" SFF Internal Hard Drive
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  • $43.90 
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Dell fm501 450 GB Hard Drive - 3.5" Internal - SAS
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Dell J084N 146GB 15000 RPM SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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Dell P252M 300GB 10000 RPM SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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  • $29.95 
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Dell 745GC (ST9300605SS) 300GB 10k RPM SAS-6Gb/s 2.5" HDD
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Dell 745GC (ST9300605SS) 300GB 10k RPM SAS-6Gb/s 2.5" HDD
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HP 507125-B21 2.5-inch 146 GB Hard Drive - SAS 600 Serial Attached SCSI - 10000 RPM - 600 MBps
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HP
Refurbished HP 507125-B21 2.5-inch 146 GB Hard Drive - SAS 600 Serial Attached SCSI - 10000 RPM - 600 MBps
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 507125-B21
HGST DK23EA-20
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HGST DK23EA-20
  • Model #: DK23EA-20
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  • $59.00 
  • $15.00 Shipping
HP 832514-B21 1TB 7200 RPM SAS 12Gb/s 2.5" SC Midline Server Hard Drive
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HP 832514-B21 1TB 7200 RPM SAS 12Gb/s 2.5" SC Midline Server Hard Drive
  • Height (maximum): 15.6mm
  • Width (maximum): 75.70mm
  • Length (maximum): 118.70mm
  • Model #: 832514-B21
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Dell T871K 300GB 10000 RPM SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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HGST HUS154530VLS300 Ultrastar 15K450 HUS154530VLS300 300 GB Hard Drive - 3.5" Internal - SAS
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  • $49.95 
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Laptop internal hard drives are the most popular of storage devices for laptops on the market. Hard drives vary in storage capacity, data access speeds and form factors. It is critical to establish basic requirements when considering a hard drive. After all, your laptop’s internal hard drive stores all your information, OS and programs. Whether you are looking to replace the hard drive in your general use or work laptop, Newegg has the right hard drive for you.

Laptop Internal Hard Drives Provide Large Data Storing Capacities

Upgrading or getting a new notebook internal hard disk drive offers you an opportunity to increase your storage, especially if you have been struggling with what you already have. Options available have gone from the norm of 500GB to 1TB of storage. Some units can hold as much as 2TB, 4TB, 5TB and higher storage capacities. Modern disks feature integrated controllers with 64 to 128MB data caches that ensure fast access to stored data. Interfaces like SATA allow data transfer rates of up to 6 gigabits per second, while some models feature SAS, SCSI, or Thunderbolt™ interfaces, which meet specific data transfer requirements.

Achieve Improved Performance and Advanced Storage Management

The internal hard disk drive also affects your laptop’s load times and overall performance. Hard drives are responsible for how fast you sift through files, and copy and paste your data. The drives also manage the loading of programs. Hard drives feature one or more spinning magnetic disks for data storage, and multiple moving heads that transfer information between platters. The rotational speed of the spinning disk reads and logs speeds you achieve in real-time. Most laptop and desktop internal hard drives spin at 5,400 to 7,200 revolutions per minute. Hard drives with 10,000 or 15,000RPMs offer fast performance for programs that work with large files. There is the option of purchasing variable-speed drives that use less energy, with speeds running between 5,400 and 7,200RPMs. High-quality hard drives are suitable for programmers, allowing the loading of complex applications. The Multi-Tier Caching technology simplifies data transfers to save users time for other computing tasks.

Standard Form Factors and Connectors for Easy Installation

A hard disk drive comes in two standard form factors: the 3.5-inch drive and the 2.5-inch drive. These measurements refer to the data platter sizes. The 2.5-inch range is smaller, so they can fit in laptops and small portable enclosures like desktop external hard drives and mobile hard disk drive applications. For example, a notebook internal hard drive is a 2.5-inch drive. These 2.5-inch laptop internal hard drives require less power to spin, drawing power from the laptop without using an external power supply. Portability is another advantage of hard drives, so employees can ship them without worrying. Hard drives also come with one connector built-in.  Since 2007, most laptops use the SATA interface that offers simple configuration. A SATA internal hard disk drive works as an external hard drive using hard drive enclosures. Other drives like Mac hard drives have built-in Thunderbolt connections for high-resolution video streaming.

Bestselling Laptop Internal Hard Drives Reviews:

James M.
4/15/2025 2:41:00 AM
WD Internal Laptop Disk Drive 2TB

“ Competitive price, fast delivery good product. Twice storage over OEM drive for Acer Laptop. ”

WD Blue WD20SPZX 2TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
Anonymous
3/16/2024 7:17:29 AM
Good Hard Drive

“ This is easy to install and increase the storage capacity of my laptop. ”

Seagate 2TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST2000LM015
Eric H.
12/17/2023 6:23:25 PM
Reliable

“ Used for computer backup & media storage, on three laptops, nearly 7x24. No issues. ”

Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST5000LM000
viralkumar p.
6/8/2022 4:28:55 PM
WORKS GREAT

“ -OTHER THEN THICKNESS ITS WORKS PERFACTLY INMY LAPTOP. ”

Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST5000LM000