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Seagate Constellation ST9160511NS 160GB 7200 RPM 32MB Cache SATA 3.0Gb/s 2.5" Internal 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
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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
HGST 0J15263 C5K750-750 HCC547575A9E380 MLC DA3935 750GB 2.5" SATA Hard Drive
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  • $65.10 
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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
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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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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 655710-S21 1TB 7200 RPM SATA 6.0Gb/s 2.5" SFF SC Midline Hard Drive S-Buy
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TOSHIBA MK3276GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK3276GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: MK3276GSX
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  • $65.00 
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HP Enterprise 507125-B21 146GB 10000 RPM SAS 6Gb/s 2.5" SFF Internal Hard Drive
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Seagate Exos 7E2000 ST2000NX0403 2TB 512n SATA 6Gb/s 7200RPM 2.5-Inch Enterprise HDD (ST2000NX0403)
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Seagate
Seagate Exos 7E2000 ST2000NX0403 2TB 512n SATA 6Gb/s 7200RPM 2.5-Inch Enterprise HDD (ST2000NX0403)
  • NAND Flash Memory Type: MLC
  • 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 #: ST2000NX0403
TOSHIBA MK1401GRRB 147GB 15000 RPM 32MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
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TOSHIBA MK1401GRRB 147GB 15000 RPM 32MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
  • Brand: TOSHIBA
  • Model: MK1401GRRB
  • Capacity: 147GB
  • RPM: 15000 RPM
  • Model #: MK1401GRRB
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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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
Seagate ST91000640SS-RF 1TB 7200 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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Refurbished Seagate ST91000640SS-RF 1TB 7200 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 9.5ms
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Model #: ST91000640SS-RF
Seagate Momentus 5400.3 ST9120822AS 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.3 ST9120822AS 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST9120822AS
  • $45.00
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  • $39.99 
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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 EE25.2 Series ST940818AM 40GB 5400 RPM 8MB Cache PATA 2.5" Rugged Class Internal Hard Drive Bare Drive
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Seagate
Seagate EE25.2 Series ST940818AM 40GB 5400 RPM 8MB Cache PATA 2.5" Rugged Class Internal Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST940818AM
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  • $165.00 
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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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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
Hitachi GST Travelstar Z7K500 HTS725032A7E630 (0J26003) 320GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar Z7K500 HTS725032A7E630 (0J26003) 320GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100mm
  • Model #: 0J26003
  •  
  • $40.00 
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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
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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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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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HGST Travelstar Z5K320 HTS543225A7A384 (0A78602) 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST Travelstar Z5K320 HTS543225A7A384 (0A78602) 250GB 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 #: 0A78602
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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Seagate Momentus 7200.2 ST9160823AS 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.2 ST9160823AS 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9160823AS
  •  
  • $90.19 
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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
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
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
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
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 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
Seagate Momentus 5400.4 ST9250827AS 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.4 ST9250827AS 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST9250827AS
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  • $48.19 
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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 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
HGST TravelStar 5K1000 HTS541075A9E680 750 GB 2.5" SATA II Laptop Hard Drive
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HGST TravelStar 5K1000 HTS541075A9E680 750 GB 2.5" SATA II Laptop Hard Drive
  • Flash Memory Capacity: N/A
  • Height (maximum): 9.5mm
  • Model #: HTS541075A9E680

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
Curtis
9/24/2022 12:58:02 AM
Perfect

“ It survived my console, survived a laptop and now is living in a legion 5 laptop, everything works amazing, thanks for this!! ”

Seagate FireCuda Gaming SSHD 2TB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST2000LX001