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Seagate ST600MP0005 600 GB 2.5" Internal Hard Drive
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Seagate EE25 ST930818AM 30 GB 2.5' Internal Hard Drive
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  •  
  • $119.00 
  • $15.00 Shipping
Lenovo ThinkPad 0A65632 500GB 7200 RPM SATA 3.0Gb/s 4K Notebook Hard Drive
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Lenovo ThinkPad 0A65632 500GB 7200 RPM SATA 3.0Gb/s 4K Notebook Hard Drive
  • Height (maximum): 7mm
  • Parts: 1 Year
  • Labor: 1 Year
  • Model #: 0A65632
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  • $109.99 
  • Free Shipping
HP 655710-B21 1TB 7200 RPM SATA 6.0Gb/s 2.5" SFF SC Midline Hard Drive
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HP 655710-B21 1TB 7200 RPM SATA 6.0Gb/s 2.5" SFF SC Midline Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 15.6 mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.7 mm
  • Model #: 655710-B21
HP 507127-B21 300GB 10000 RPM SAS 6Gb/s 2.5" SFF Enterprise Hard Drive
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HGST Travelstar 7K750 HTE727550A9E364 500 GB 2.5" Internal Hard Drive - 1 Pack
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  •  
  • $79.00 
  • $15.00 Shipping
TOSHIBA MQ01ABD032 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MQ01ABD032 320GB 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 #: MQ01ABD032
HGST Travelstar Z5K500 HTS545050A7E680 (0J38065) 500GB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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HGST Travelstar Z5K500 HTS545050A7E680 (0J38065) 500GB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 13ms
  • Average Latency: 5.5ms
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Model #: 0J38065
HGST Travelstar 5K1000 HTS541010A9E680 (0J22413) 1TB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST Travelstar 5K1000 HTS541010A9E680 (0J22413) 1TB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 70.00mm
  • Model #: 0J22413
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
Hitachi GST Travelstar 5K120 HTS541280H9SA00 (0A50158) 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K120 HTS541280H9SA00 (0A50158) 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HTS541280H9SA00
  •  
  • $69.00 
  • $15.00 Shipping
Seagate Savvio 10K.7 ST1200MM0007 1.2TB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Enterprise Internal Hard Drive
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Seagate
Seagate Savvio 10K.7 ST1200MM0007 1.2TB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Enterprise Internal Hard Drive
  • Flash Memory Capacity: N/A
  • Average Latency: 2.9ms
  • Features: Enterprise Performance 10K HDD - The Perfect Performance Upgrade Transition from slower 2.5", 10K-RPM or lower-capacity 3.5", 15K-RPM hard drives to smaller, faster, best-in-class Savvio 10K.6 enterprise hard drives. PowerChoice technology for T10-compliant power management enables IT organizations to tailor systems for performance and power consumption. First mission-critical HDD to offer the Seagate
  • Usage: For Enterprise Storage
  • Model #: ST1200MM0007
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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HGST Ultrastar C10K1200 HUC101212CSS600 (0B25168) 1.2TB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" SFF Enterprise Hard Drive
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HGST Ultrastar C10K1200 HUC101212CSS600 (0B25168) 1.2TB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" SFF Enterprise Hard Drive
  • Average Seek Time: 4.6ms
  • Average Write Time: 5.0ms
  • Average Latency: <3.0ms
  • Height (maximum): 14.8mm
  • Model #: HUC101212CSS600
Seagate ST9320320AS 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate ST9320320AS 320GB 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 #: ST9320320AS
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
Seagate Savvio 10K.5 ST9600205SS 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 10K.5 ST9600205SS 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 3ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST9600205SS
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
Hitachi GST Ultrastar C10K900 HUC109060CSS600 (0B26013) 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise 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
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 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
WD XE WD9001BKHG 900 GB 2.5" Internal Hard Drive
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Western Digital
WD XE WD9001BKHG 900 GB 2.5" Internal Hard Drive
  • Parts: 5 Year
  • Model #: WD9001BKHG-40PK
  •  
  • $64.95 
  • Free Shipping
TOSHIBA MK3001GRRB 15000 RPM 32MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
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TOSHIBA MK3001GRRB 15000 RPM 32MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
  • Average Latency: 2ms
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.45mm
  • Model #: MK3001GRRB
HP Enterprise 507125-B21 146GB 10000 RPM SAS 6Gb/s 2.5" SFF Internal Hard Drive
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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
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
HP 375861-B21 72GB 10000 RPM SAS 3Gb/s 2.5" Hot Plug Hard Drive
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  • $58.69
  •  
  • $46.99 
  • Save: 19%
  • Free Shipping
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
  • $60.00
  •  
  • $56.55 
  • Save: 5%

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
Anonymous
3/16/2024 7:17:29 AM
Good Hard Drive

“ This is easy to install and increase the storage capacity of my laptop. ”

Seagate 2TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST2000LM015
Eric H.
12/17/2023 6:23:25 PM
Reliable

“ Used for computer backup & media storage, on three laptops, nearly 7x24. ”

Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST5000LM000
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