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HP 655710-S21 1TB 7200 RPM SATA 6.0Gb/s 2.5" SFF SC Midline Hard Drive S-Buy
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Hitachi GST Travelstar 5K500.B HTS545016B9A300 (0A57911) 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K500.B HTS545016B9A300 (0A57911) 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS545016B9A300
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  • $55.00 
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Seagate Momentus 7200.4 ST9250410ASG 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive with G-Force Protection Bare Drive
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Seagate Momentus 7200.4 ST9250410ASG 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive with G-Force Protection Bare Drive
  • Average Latency: 4.17ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Length (maximum): 100MM
  • Model #: ST9250410ASG
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  • $69.19 
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Seagate ST600MM0006 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Savvio 10KRpm
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Hitachi GST Travelstar 7K500 HTS725032A9A364 (0A72333) 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K500 HTS725032A9A364 (0A72333) 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.2ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: 0A72333
HGST 0J15263 C5K750-750 HCC547575A9E380 MLC DA3935 750GB 2.5" SATA Hard Drive
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  • $65.10 
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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
HP 697574-B21 1.2TB 10000 RPM SAS 6Gb/s 2.5" SFF SC Enterprise Drives
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HP
HP 697574-B21 1.2TB 10000 RPM SAS 6Gb/s 2.5" SFF SC Enterprise Drives
  • Height (maximum): 15mm
  • Width (maximum): 76 mm
  • Length (maximum): 119 mm
  • Model #: 697574-B21
Seagate 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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Seagate 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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  • $50.19 
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Seagate Laptop Thin HDD ST500LM024 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" SED FIPS 140-2 Secure Encryption Hard Drive
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Seagate
Seagate Laptop Thin HDD ST500LM024 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" SED FIPS 140-2 Secure Encryption Hard Drive
  • Average Seek Time: 11ms
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST500LM024
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  • $100.19 
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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
Dell 1TB 7200 RPM 64MB Cache Serial Attached SCSI (SAS) 2.5" Internal Notebook Hard Drive
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DELL
Dell 1TB 7200 RPM 64MB Cache Serial Attached SCSI (SAS) 2.5" Internal Notebook Hard Drive
  • Parts: 3 yrs wty from seller
  • Labor: 3 yrs wty from seller
  • Model #: 9W5WV
HGST Travelstar Z5K320 HTS543232A7A384 (Part#: 0A78603) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST Travelstar Z5K320 HTS543232A7A384 (Part#: 0A78603) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 13ms
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Model #: 0A78603
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  • $60.00 
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HGST Travelstar Z5K320 HTS543216A7A384 (0A78601) 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST Travelstar Z5K320 HTS543216A7A384 (0A78601) 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 13ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: 0A78601
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
HGST 0A78743 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST 0A78743 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100mm
  • Parts: 3 years limited
  • Model #: 0A78743
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  • $45.00 
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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 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 
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HP Enterprise 512545-B21 72GB 15000 RPM SAS 6Gb/s 2.5" SFF Internal Hard Drive
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  • $46.00 
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HP 418367-B21 146GB 10000 RPM SAS 3Gb/s 2.5" Internal Hard Drive
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  • $42.19 
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TOSHIBA MK2565GSX 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK2565GSX 250GB 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 #: MK2565GSX
SAMSUNG Spinpoint M Series HM160HI 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint M Series HM160HI 160GB 5400 RPM 8MB Cache SATA 1.5Gb/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 #: HM160HI
  • $34.95
  •  
  • $33.19 
  • Save: 5%
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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
Seagate Momentus ST9500424AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate
Seagate Momentus ST9500424AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Brand: Seagate
  • Series: Momentus
  • Model: ST9500424AS
  • Capacity: 500GB
  • Model #: ST9500424AS
Hitachi GST Travelstar 7K200 HTS722016K9SA00 (0A50939) 160GB 7200 RPM 16MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K200 HTS722016K9SA00 (0A50939) 160GB 7200 RPM 16MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 10ms
  • Average Latency: 4.2ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS722016K9SA00
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  • $48.19 
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Dell 10,000 RPM SAS Hard Drive 12Gbps 512e 2.5in Hot-plug Drive, 1.8TB
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DELL
Dell 10,000 RPM SAS Hard Drive 12Gbps 512e 2.5in Hot-plug Drive, 1.8TB
  • NAND Flash Memory Type: Hard Drive
  • Features: Offers - 1.8TB capacity to store large amount of data SAS interface delivers high data transfer speeds 10K RPM spindle speed ensures excellent performance
  • Model #: 400-ATJR
Seagate ST600MX0082 2.5" 600GB SAS 12Gb/s 15K RPM eMLC 32GB ValkyrieBP TurboBoost (4kN) Enterprise Hard Drive
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  • $199.99
  •  
  • $130.00 
  • Save: 34%
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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
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  • $79.19 
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HP 652583-B21 600GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" SFF SC Enterprise Hard Drive
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HP
HP 652583-B21 600GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" SFF SC Enterprise Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 15.6 mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.7 mm
  • Model #: 652583-B21
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
Seagate Momentus Thin 5400.9 ST500LT015 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate Momentus Thin 5400.9 ST500LT015 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Brand: Seagate
  • Series: Momentus Thin 5400.9
  • Model: ST500LT015
  • Capacity: 500GB
  • Model #: ST500LT015
HP Enterprise 512547-B21 146GB 15000 RPM SAS 6Gb/s 2.5" SFF Internal Hard Drive
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  • $48.00 
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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 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 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

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