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IBM 90Y8914 - 300GB 2.5" SAS 10K 6Gb/s HS HDD
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IBM 90Y8914 - 300GB 2.5" SAS 10K 6Gb/s HS HDD
  • Usage: Ideal for Servers
  • Model #: 90Y8914
Dell 300 GB 2.5" Internal Hard Drive
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  • $155.00 
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Dell 342-0847 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 342-0847 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-0847
HPE 693569-001 300 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $155.00 
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IBM DTLA-307030 (07N5639) 30GB, 7200RPM, 3.5" IDE Internal Hard Drive - New Bare Drive
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  • $155.00 
  • Free Shipping
FUJITSU Mhv2160Bt 160Gb 4200Rpm 8Mb Buffer 2.5Inch Sata 7Pin Notebook Hard Drive
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  • $155.19 
  • Free Shipping
Lenovo 600GB 10K SAS 2.5" G3HS
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  • $149.99 
  • $5.99 Shipping
TOSHIBA MHZ2080BH 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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TOSHIBA MHZ2080BH 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 12ms
  • Average Write Time: 14ms
  • Average Latency: 5.56ms
  • Parts: 3 years limited
  • Model #: MHZ2080BH
  •  
  • $159.00 
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IBM 00AJ071 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Gen3 Hot-Swap Internal Hard Drive
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IBM 00AJ071 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Gen3 Hot-Swap Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Average Latency: 2.9ms
  • Usage: Ideal for Servers
  • Model #: 00AJ071
Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST4000LM024
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Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST4000LM024
  • NAND Flash Memory Type: MLC
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST4000LM024
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0323
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Seagate
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0323
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.46mm
  • Model #: ST1000NX0323
Lenovo 00AJ136
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Lenovo
Lenovo 00AJ136
  • Model #: 00AJ136
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
  •  
  • $165.00 
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Lenovo 7XB7A00027 1.2TB HD 10K SAS 12GB 2.5 HSWAP 512N TS
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  • $159.99 
  • $5.99 Shipping
HP Midline 507610-B21 500GB 7200 RPM SAS 6Gb/s 2.5" Internal Hard Drive
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HP
HP Midline 507610-B21 500GB 7200 RPM SAS 6Gb/s 2.5" Internal Hard Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Parts: 1 year limited
  • Model #: 507610-B21
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  • $167.45 
  • Free Shipping
TOSHIBA MK3252GSX (HDD2H01) 320GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK3252GSX (HDD2H01) 320GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK3252GSX
IBM DADA-25400 (03L5630) 5.4GB, 4200RPM, 2.5" Internal Hard Drive - New Bare Drive
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  • $169.95 
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Dell Hard Drive - 1.2 TB 400-AJPD Hard Drives
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DELL
Dell Hard Drive - 1.2 TB 400-AJPD Hard Drives
  • NAND Flash Memory Type: Hard Drive
  • Features: Hard Drive
  • Model #: 463-7475
Lenovo 600 GB Hard Drive 00WG690 600GB HDD
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  • $170.00 
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Lenovo ThinkServer 900 GB 2.5" Internal Hard Drive
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  • $174.00 
  • Free Shipping
HEWLETT-PACKARD 872479-B21 1.2TB SAS 10K SFF SC DS HD
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  • $175.00 
  • Free Shipping
IBM DPTA-372050 P/N: 31L9056 (07N3311) Hard Drive - New Bare Drive
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  • $175.00 
  • Free Shipping
Toshiba MAT3073NP 73.50 GB Hard Drive - 3.5" Internal - SCSI (Ultra320 SCSI)
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  • $175.10 
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Dell 341-4733 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
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  • $176.09 
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TOSHIBA MBF260LRC 600GB 10025 RPM 16MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
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TOSHIBA MBF260LRC 600GB 10025 RPM 16MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
  • Height (maximum): 15mm
  • Width (maximum): 69.85 mm
  • Length (maximum): 100.45 mm
  • Model #: MBF260LRC
Dell 342-0857 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 342-0857 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-0857
  •  
  • $178.19 
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IBM 300 GB 2.5" Internal Hard Drive
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  • $179.00 
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IBM DPTA-372730 (31L9058), 27GB, 7200RPM, 3.5" IDE Internal Hard Drive - New Bare Drive
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  • $179.95 
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IBM (00K0396), 2.1GB, 4200RPM, 2.5 IDE Internal Hard Drive - New Bare Drive
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  • $179.95 
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Seagate ST300MP0006 300GB 15000RPM SAS 12GB/S 256MB Enterprise Performance 15K Hard Drive
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Seagate
Seagate ST300MP0006 300GB 15000RPM SAS 12GB/S 256MB Enterprise Performance 15K Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Average Latency: 2.0ms
  • Features: Accelerates I/O operations and completes more transactions faster - even during peak demand At 900GB, stores 50% more mission-critical data than any other 15K HDD Optimizes TCO with higher capacity at lower cost than high-performance alternatives Delivers more predictable performance (up to 27% SDR over previous generation) while helping to protect data from
  • Usage: For Enterprise Storage
  • Model #: ST300MP0006
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

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
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