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Dell 400-ATKB 2TB 7200 RPM SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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  • $190.00 
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Dell K532N - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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DELL
Dell K532N - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: K532N
740Y7 DELL 300GB 10K RPM 6GBits 16MB Cache 2.5 Inch SAS Hard Disk
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IBM 81Y3857 500Gb 7200Rpm Near Line Sata 6Gbps 2.5Inch Sff Hotswap Hard Disk Drive With Tray For X Series
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IBM 81Y3857 500Gb 7200Rpm Near Line Sata 6Gbps 2.5Inch Sff Hotswap Hard Disk Drive With Tray For X Series
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 81Y3857
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  • $222.56 
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Dell 341-4733 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
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  • $176.09 
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1TB Hitachi Travelstar 5K1000 2.5-inch SATA hard drive (5400rpm, 8MB cache)
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1TB Hitachi Travelstar 5K1000 2.5-inch SATA hard drive (5400rpm, 8MB cache)
  • Brand: HGST
  • Series: Travelstar
  • Model: TravelStar 5K1000
  • RPM: 5400 RPM
  • Model #: HTS541010A9E680
Seagate ST1800MM0158 1.80 TB 2.5" Internal Hard Drive
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Seagate
Seagate ST1800MM0158 1.80 TB 2.5" Internal Hard Drive
  • Average Latency: 2ms
  • Model #: ST1800MM0158
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  • $360.19 
  • $7.10 Shipping
Savvio 10k.6 Sas 6gbs 900gb
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Seagate
Savvio 10k.6 Sas 6gbs 900gb
  • Model #: DHST900MM0006SP
HGST Ultrastar C10K900 HUC109045CSS600 450 GB 2.5 Internal Hard Drive SAS - 10000 rpm - 64 MB Buffer
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  • $19.95 
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  • $17.50 - $19.95
Western Digital Scorpio Black WD3200BEKT-50PK 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - 50 Pack Bare Drive
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Western Digital
Western Digital Scorpio Black WD3200BEKT-50PK 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - 50 Pack Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: WD3200BEKT-50PK
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  • $2,200.00 
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Dell 341-4732 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
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DELL
Dell 341-4732 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
  • Flash Memory Capacity: N/A
  • Usage: Ideal for Servers
  • Model #: 341-4732
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  • $235.00 
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Dell 463-1660 600 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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DELL
Dell 463-1660 600 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
  • NAND Flash Memory Type: Hard Drive
  • Features: Hard Drive
  • Model #: 463-1660
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  • $275.00 
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Dell ST91000640SS (9W5WV) 1TB 7.2k RPM SAS-6Gb/s 2.5" 64MB HDD
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Toshiba MAT3147NP 147 GB Hard Drive - 3.5" Internal - SCSI (Ultra320 SCSI)
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  • $55.10 
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Dell 400-AEFL 1 TB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $270.00 
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Dell N226K - 300GB 3.5" SAS 15K 6Gb/s HS Hard Drive
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  • $121.95
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  • $42.19 
  • Save: 65%
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Dell H8DVC - 300GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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Dell 300 GB 2.5" Internal Hard Drive - SAS
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DELL
Dell 300 GB 2.5" Internal Hard Drive - SAS
  • NAND Flash Memory Type: Hard Drive
  • Features: Hard Drive
  • Model #: 400-AUUO
Lenovo
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Lenovo
Lenovo
  • Model #: 90Y8877
Dell 146 GB 2.5" Internal Hard Drive
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Dell 342-0856 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 342-0856 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Features: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-0856
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  • $107.19 
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HP 637981-001 2Tb 7200Rpm Fata Hard Drive With Tray For Eva M6412A
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HP
HP 637981-001 2Tb 7200Rpm Fata Hard Drive With Tray For Eva M6412A
  • NAND Flash Memory Type: Hard Drive
  • Model #: 637981-001
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  • $310.10 
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Dell W330K - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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DELL
Dell W330K - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: W330K
Dell 342-4623 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 342-4623 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-4623
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  • $142.19 
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Dell 73 GB 2.5" Internal Hard Drive - OEM
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IBM 90Y8927 - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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IBM 90Y8927 - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 90Y8927
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  • $130.00 
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Dell X150K - 300GB 3.5" SAS 15K 6Gb/s HS Hard Drive
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  • $72.00
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  • $61.07 
  • Save: 15%
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Dell 342-5364 - 300GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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DELL
Dell 342-5364 - 300GB 2.5" SAS 15K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-5364
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  • $142.00 
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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