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Seagate EE25.2 Series ST940817AM 40GB 5400 RPM 8MB Cache PATA 2.5" Extreme Class Internal Hard Drive Bare Drive
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Seagate EE25.2 Series ST940817AM 40GB 5400 RPM 8MB Cache PATA 2.5" Extreme Class Internal Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST940817AM
TOSHIBA MK1234GSX 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK1234GSX 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • NAND Flash Memory Type: Hard Drive
  • Parts: 1 year limited
  • Model #: MK1234GSX
HP 718162-B21 1.2TB 10000 RPM SAS 6Gb/s 2.5" Hot Plug SmartDrive SFF Enterprise Drives
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HP
HP 718162-B21 1.2TB 10000 RPM SAS 6Gb/s 2.5" Hot Plug SmartDrive SFF Enterprise Drives
  • Height (maximum): 15.6mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.7 mm
  • Model #: 718162-B21
  • $65.00
  •  
  • $56.55 
  • Save: 12%
Seagate ST600MP0005 600 GB 2.5" Internal Hard Drive
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TOSHIBA MK5061GSYN 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK5061GSYN 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Average Seek Time: 12ms
  • Average Latency: 4.16ms
  • Usage: For Power Computing
  • Model #: MK5061GSYN
TOSHIBA MK3265GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK3265GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK3265GSX
Seagate ST600MM0006 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Savvio 10KRpm
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TOSHIBA MK2006GAL 20GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8" Notebook Hard Drive Bare Drive
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TOSHIBA MK2006GAL 20GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8" Notebook Hard Drive Bare Drive
  • Average Seek Time: 15ms
  • Average Latency: 7.14ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MK2006GAL
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  • $90.00 
  • Free Shipping
TOSHIBA MK2035GSS 200GB 4200 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK2035GSS 200GB 4200 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MK2035GSS
Seagate FireCuda Gaming SSHD 500GB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST500LX025
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Seagate FireCuda Gaming SSHD 500GB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST500LX025
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LX025
  •  
  • $90.00 
  • Free Shipping
Seagate Enterprise Capacity 1TB SATA 6.0Gb/s 7200 RPM 128MB Cache 2.5" Internal Hard Disk Drive Model ST1000NX0303
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Seagate Enterprise Capacity 1TB SATA 6.0Gb/s 7200 RPM 128MB Cache 2.5" Internal Hard Disk Drive Model ST1000NX0303
  • NAND Flash Memory Type: Hard Drive
  • Average Latency: 4.16ms
  • Features: Design Small and Deliver BIG - 2.5-Inch Nearline Drive - Up to 2TB capacity in 15mm z-height, 2.5-inch form factor for space-constrained data centers - Designed for high-density storage solutions requiring environmentally sound low power consumption and low weight for maximum storage efficiency - Choose 12Gb/s SAS for high data integrity, scalability and
  • Usage: For Enterprise Storage
  • Model #: ST1000NX0303
Seagate Exos 7E2000 2TB 512e SAS 12Gb/s 7200 RPM SED Enterprise HDD (ST2000NX0343)
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Seagate
Seagate Exos 7E2000 2TB 512e SAS 12Gb/s 7200 RPM SED Enterprise HDD (ST2000NX0343)
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST2000NX0343
HGST Ultrastar C10K900 HUC109090CSS600 (0B26014) 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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TOSHIBA MK5065GSX 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK5065GSX 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK5065GSX
TOSHIBA mk6034gsx 60GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA mk6034gsx 60GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69mm
  • Model #: mk6034gsx
TOSHIBA MKxx59GSM Series MK1059GSM 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Hard Drive Bare Drive
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TOSHIBA MKxx59GSM Series MK1059GSM 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Hard Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Average Seek Time: 12ms
  • Average Latency: 5.55 ms
  • Features: Up to 1TB of Storage Capacity 12.5-millimeter High Profile Serial ATA, Revision 2.6 Interface 8MB Cache Buffer
  • Model #: MK1059GSM
TOSHIBA MK2552GSX(HDD2H02) 250GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK2552GSX(HDD2H02) 250GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK2552GSX
TOSHIBA HDD2193 (MK4026GAX) 40GB 5400 RPM 16MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA HDD2193 (MK4026GAX) 40GB 5400 RPM 16MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HDD2193
TOSHIBA MK1032GSX 100GB 5400 RPM 16MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK1032GSX 100GB 5400 RPM 16MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MK1032GSX
  •  
  • $34.00 
  • Free Shipping
TOSHIBA MK1655GSX 160GB 5400 RPM SATA 3.0Gb/s 2.5" Notebook Hard Drive
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TOSHIBA MK1655GSX 160GB 5400 RPM SATA 3.0Gb/s 2.5" Notebook Hard Drive
  • Average Latency: 5.55ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK1655GSX
TOSHIBA MK1252GSX 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK1252GSX 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 #: MK1252GSX
TOSHIBA MK8034GSX 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK8034GSX 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Height (maximum): 9.5mm
  • Width (maximum): 3in
  • Model #: MK8034GSX
TOSHIBA MK2561GSYN 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK2561GSYN 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.16ms
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 9.5mm
  • Model #: MK2561GSYN
TOSHIBA MK6476GSX 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK6476GSX 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Model #: MK6476GSX
TOSHIBA MK2546GSX 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK2546GSX 250GB 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 #: MK2546GSX
TOSHIBA HDD2D37 (MK1034GSX) 100GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA HDD2D37 (MK1034GSX) 100GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Height (maximum): 9.5mm
  • Width (maximum): 70MM
  • Model #: HDD2D37
  •  
  • $79.19 
  • Free Shipping
TOSHIBA MK3261GSYN 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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TOSHIBA MK3261GSYN 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.16ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Model #: MK3261GSYN
TOSHIBA MK3256GSY 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK3256GSY 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Write Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK3256GSY
HP Enterprise 507125-B21 146GB 10000 RPM SAS 6Gb/s 2.5" SFF Internal Hard Drive
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Seagate Momentus 5400.6 ST9250315AS 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.6 ST9250315AS 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: ST9250315AS
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  • $48.90 
  • Free Shipping
WL 160GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Notebook Hard Drive w/1-Year Warranty
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Refurbished WL 160GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Notebook Hard Drive w/1-Year Warranty
  • Height (maximum): 9mm
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: WD1600GLSA854-FR
  •  
  • $21.99 
  • Free Shipping

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
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