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HPE 492620-B21 300 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
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  • $24.00 
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DELL G108N  73Gb 15000Rpm Sas3Gbits 16Mb Buffer 2.5Inch Hard Disk Drive With Tray
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  • $29.99 
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Lenovo 42T1461 160GB 7200 RPM SATA 2.5" Internal Notebook Hard Drive
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  • $91.20 
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HP NC7131 Gigabit Server Adapter 10 By 100 By 1000Bt Pci
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  • $108.30 
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Dell Hx555 P4 System Board For Optiplex Gx755 Usff
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HPE 161665-001 NC7131 Gigabit Server Adapter
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HP
HPE 161665-001 NC7131 Gigabit Server Adapter
  • NAND Flash Memory Type: Hard Drive
  • Model #: 161665-001
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  • $33.06 
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Dell Fh884 System Board (Motherboard) For Optiplex Gx620
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  • $148.20 
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DELL JX718 WD2500JS-75NCB3 250GB 7.2K SATA HARD DRIVE 3.5
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  • $55.86 
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Dell YP778 - 300GB 3.5" SAS 15K 3Gb/s HS Hard Drive
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  • $54.99 
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Toshiba MQ04ABB400 4TB 5400rpm Sata 7mm 2.5" Hard Drive 128mb, SATA 6 Gbit/s.
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  • $199.00 
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WD 1 TB 2.5-Inch Laptop Mainstream WDBMYH0010BNC-NRSN
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  • $121.99 
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1.2Tb 12Gb/S Sas 10K Sff
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1.2Tb 12Gb/S Sas 10K Sff
  • Model #: AXHD1.81025S32E
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  • $590.99 
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DELL Xx2X2 6Gb Sas Daughter Board Controller Card For C6145
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DELL 6Dfd8  System
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Seagate Barracuda 3.5" PC Internal Hard Drive 120GB 7200RPM 8MB Cache SATA 3Gb/s HDD for Desktop, ST3120213AS
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Seagate Momentus 5400.3 ST9160821A 160GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.3 ST9160821A 160GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Internal Notebook Hard Drive Bare Drive

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  • Average Latency: 5.56ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9160821A
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  • $90.00 
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Hitachi GST Travelstar 5K100 HTS541010G9AT00 (13G1591) 100GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K100 HTS541010G9AT00 (13G1591) 100GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive

OUT OF STOCK

  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS541010G9AT00
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  • $55.00 
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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

“ 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