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Fujitsu MAY2036RC 36.7GB 10000 RPM 16MB Cache Serial Attached SCSI (SAS) 2.5" Internal Hard Drive Bare Drive
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Fujitsu MAY2036RC 36.7GB 10000 RPM 16MB Cache Serial Attached SCSI (SAS) 2.5" Internal Hard Drive Bare Drive
  • Average Seek Time: 4ms
  • Average Write Time: 4.5ms
  • Average Latency: 2.99ms
  • Parts: 3 years limited
  • Model #: MAY2036RC
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  • $60.19 
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HITACHI TRAVELSTAR 7K500 160GB SATA 2.5 INCH HARD DRIVE BARE DRIVE  HTS725016A9A364
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  • $40.19 
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Hitachi 160GB SATA 7200rpm 2.5 inch Hard drive Bare Drive 3 year warranty thru Tech Experts
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  • $57.19 
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HPE-IMSourcing 600 GB 2.5" Internal Hard Drive - SAS
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  • $100.00 
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Dell C975M - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell C975M - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: C975M
HP 655710-B21 1TB 7200 RPM SATA 6.0Gb/s 2.5" SFF SC Midline Hard Drive
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HP
HP 655710-B21 1TB 7200 RPM SATA 6.0Gb/s 2.5" SFF SC Midline Hard Drive
  • Height (maximum): 15.7 mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.6 mm
  • Model #: 655710-B21
HPE-IMSourcing 900 GB 2.5" Internal Hard Drive - SAS
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  • $120.00 
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Seagate ST9320320AS 320GB 5400 RPM SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Seagate ST9320320AS 320GB 5400 RPM 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: 90 days limited
  • Model #: ST9320320AS
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  • $45.95 
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Dell 400-AEEY 600GB 15000 RPM SAS 6Gb/s 2.5" Internal Hard Drive
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TOSHIBA MK1246GSX 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Used - Very Good TOSHIBA MK1246GSX 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK1246GSX
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  • $97.00 
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Dell 300 GB 2.5" Internal Hard Drive
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  • $155.00 
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WD Blue 250GB Mobile Hard Disk Drive - 5400 RPM SATA 3 Gb/s 2.5 Inch - WD2500LPVT
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Used - Like New WD Blue 250GB Mobile Hard Disk Drive - 5400 RPM SATA 3 Gb/s 2.5 Inch - WD2500LPVT
  • Height (maximum): 6.8mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.2mm
  • Model #: WD2500LPVT
  • $115.16
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  • $35.00 
  • Save: 69%
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HITACHI 160GB 5400RPM SATA-2 2.5 INCH HARD DRIVE HTS543216A7A384
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  • $44.00 
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HGST Travelstar Z7K500 HTS725025A7E630 250 GB 2.5" Internal Hard Drive, SATA III - 7200 rpm - 32 MB
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HGST Travelstar Z7K500 HTS725025A7E630 250 GB 2.5" Internal Hard Drive, SATA III - 7200 rpm - 32 MB
  • Height (maximum): 7mm
  • Width (maximum): 69MM
  • Length (maximum): 100MM
  • Parts: 30 DAYS NOW
  • Model #: TI62W-00-B00J4-1
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  • $39.85 
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DELL 0Wf12F  1Tb 7200Rpm Sataii 64Mb Buffer 2.5Inch Hard Disk Drive With Tray
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  • $90.00 
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TOSHIBA MHZ2160BJ 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Used - Like New TOSHIBA MHZ2160BJ 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 10.5ms
  • Average Write Time: 12.5ms
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Model #: MHZ2160BJ
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  • $68.00 
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HGST Travelstar 5K500.B HTS545025B9A300 250 GB 2.5" Internal Hard Drive
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  • $54.95 
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HP 2.5" 1.2TB 6G SAS 10000 RPM Dual Port Enterprise Hard Drives
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HP
HP 2.5" 1.2TB 6G SAS 10000 RPM Dual Port Enterprise Hard Drives
  • NAND Flash Memory Type: Hard Drive
  • Features: High reliability for Mission Critical applications. Robust SAS interface (dual port, full duplex). New universal hot plug carriers exclusively for HP ProLiant Gen8 servers. Maintaining existing universal hot plug carriers to support HP ProLiant G7 and earlier servers and server storage. Ideal for transaction processing, database applications, analytics, high performance
  • Usage: For Enterprise Storage
  • Model #: 718160-B21
Seagate Momentus Thin ST320LT020 320GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Seagate Momentus Thin ST320LT020 320GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST320LT020
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  • $30.97 
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Seagate ST9250421ASG 250GB 7200 RPM SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Seagate ST9250421ASG 250GB 7200 RPM 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: 90 days limited
  • Model #: ST9250421ASG
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  • $66.00 
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Dell YJ0GR - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell YJ0GR - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: YJ0GR
HGST Travelstar 7K750 HTS727550A9E365 500 GB 2.5" Internal Hard Drive
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  • $65.00 
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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