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WD Black 1TB Hard Drive - 7200 RPM SATA 6Gb/s 64MB Cache 2.5 Inch - WD10SPSX
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WD Black 1TB Hard Drive - 7200 RPM SATA 6Gb/s 64MB Cache 2.5 Inch - WD10SPSX
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD10SPSX
Seagate 2TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST2000LM015
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Seagate 2TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST2000LM015
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST2000LM015
Seagate 1TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST1000LM048
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Seagate 1TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST1000LM048
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST1000LM048
Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST5000LM000
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Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST5000LM000
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST5000LM000
WD Blue 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Mobile Hard Drive WD10SPZX
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WD Blue 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Mobile Hard Drive WD10SPZX
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD10SPZX
Seagate ST1000LM035 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate ST1000LM035 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 13ms
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST1000LM035
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
WD Black 500GB Performance Laptop Hard Disk Drive - 7200 RPM SATA 6Gb/s 32MB Cache 2.5" - WD5000LPLX
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WD Black 500GB Performance Laptop Hard Disk Drive - 7200 RPM SATA 6Gb/s 32MB Cache 2.5" - WD5000LPLX
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD5000LPLX
Seagate Laptop Thin ST500LM021 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Hard Drive
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Seagate Laptop Thin ST500LM021 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Hard Drive
  • Average Seek Time: 11ms
  • Height (maximum): 7mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.55mm
  • Model #: ST500LM021
Seagate Savvio 10K.4 ST9450404SS 450GB 10000 RPM SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate
Seagate Savvio 10K.4 ST9450404SS 450GB 10000 RPM SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Seek Time: 4.08ms
  • Average Write Time: 4.65ms
  • Average Latency: 3ms
  • Parts: 3 years limited
  • Model #: ST9450404SS
Seagate Exos 7E2000 2TB 512e SATA 6Gb/s 7200 RPM 2.5-Inch Enterprise Hard Drive (ST2000NX0253)
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Seagate Exos 7E2000 2TB 512e SATA 6Gb/s 7200 RPM 2.5-Inch Enterprise Hard Drive (ST2000NX0253)
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST2000NX0253
Seagate ST4000LM016 4TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate ST4000LM016 4TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 12ms
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST4000LM016
Seagate Momentus 5400.6 ST9500325AS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.6 ST9500325AS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Parts: 2 yrs
  • Model #: ST9500325AS
Seagate Momentus ST1000LM024 1TB 2.5" Internal Hard Drive
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Seagate Momentus ST1000LM024 1TB 2.5" Internal Hard Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • NAND Flash Memory Type: MLC
  • Height (maximum): 9.5mm
  • Model #: ST1000LM024
Acer Aspire 5 A515-54 A515-54G Hard Drive HDD Connector & Cable 50.HGLN7.003
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  • $9.99 
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Seagate Samsung Spinpoint M9T ST2000LM003 2TB 5400 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Samsung Spinpoint M9T ST2000LM003 2TB 5400 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Model #: ST2000LM003
  •  
  • $125.00 
  • Free Shipping
Seagate FireCuda Gaming SSHD 1TB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST1000LX015
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Seagate FireCuda Gaming SSHD 1TB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST1000LX015
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST1000LX015
Seagate 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST500LM030
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Seagate 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST500LM030
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LM030
Seagate Constellation.2 ST9500620NS 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise-class Internal Hard Drive Bare Drive
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Seagate Constellation.2 ST9500620NS 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise-class Internal Hard Drive Bare Drive
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.45mm
  • Model #: ST9500620NS
HP Toshiba MQ01ACF050 2.5" SATA 500GB S/N 64N6C6WJT P/N: 724967-001
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  •  
  • $30.00 
  • Free Shipping
Seagate ST500LM000 500GB 5400 RPM 64MB Cache SATA 6.0Gb/s 2.5" Laptop Thin SSHD Bare Drive
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Seagate ST500LM000 500GB 5400 RPM 64MB Cache SATA 6.0Gb/s 2.5" Laptop Thin SSHD Bare Drive
  • Flash Memory Capacity: 8GB
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LM000
HGST HTS725050A7E635 500GB 7200RPM 32MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - OEM
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HGST HTS725050A7E635 500GB 7200RPM 32MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - OEM
  • Height (maximum): 7mm
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: HTS725050A7E635-OEM
WD Black WD5000LPSX 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 2.5" Internal Hard Drive
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WD Black WD5000LPSX 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 2.5" Internal Hard Drive
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD5000LPSX
TOSHIBA MQ01ABD100 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MQ01ABD100 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Average Latency: 5.56ms
  • Features: Up to 1TB of Storage Capacity 2.5-inch 9.5mm Height Form Factor SATA up to 6.0Gbit/s with SATA Power Save Advanced Format (AF) 512e MTTF of 600,000 hours Low Power Consumption versus 3.5-inch HDDs (DT01ACA series) SATA Power Save Quiet Operation versus 3.5-inch HDDs (DT01ACA series) RoHS compatible, halogen free, antimony free Improved Performance with Native Command Queue (NCQ) Optimize
  • Height (maximum): 9.5mm
  • Model #: MQ01ABD100
Seagate Savvio 10K.5 ST9300605SS 300GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate
Seagate Savvio 10K.5 ST9300605SS 300GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 3ms
  • Flash Memory Capacity: N/A
  • Height (maximum): 15mm
  • Width (maximum): 70.1mm
  • Model #: ST9300605SS
HGST Ultrastar C10K1800 HUC101860CSS200 (0B28808) 600GB 10520 RPM 128MB Cache SAS 12Gb/s 2.5" Enterprise Hard Drive Bare Drive
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HGST Ultrastar C10K1800 HUC101860CSS200 (0B28808) 600GB 10520 RPM 128MB Cache SAS 12Gb/s 2.5" Enterprise Hard Drive Bare Drive
  • Average Seek Time: 3.3-3.5ms
  • Average Write Time: 3.8-4.2ms
  • Average Latency: 2.85ms
  • Height (maximum): 15mm
  • Model #: 0B28808
Seagate Momentus XT ST750LX003 750GB 7200 RPM 32MB Cache 2.5" SATA 6.0Gb/s Solid State Hybrid Drive -Bare Drive
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Seagate Momentus XT ST750LX003 750GB 7200 RPM 32MB Cache 2.5" SATA 6.0Gb/s Solid State Hybrid Drive -Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Parts: 3 Years Warranty from Reseller
  • Model #: ST750LX003
  •  
  • $55.00 
  • Free Shipping
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
Western Digital WD VelociRaptor WD5000BHTZ 500GB 10000 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise Hard Drive Bare Drive
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Western Digital WD VelociRaptor WD5000BHTZ 500GB 10000 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise Hard Drive Bare Drive
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.45mm
  • Parts: 2 yrs
  • Model #: WD5000BHTZ
Seagate Constellation.2 ST9500620NS 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise-class Internal Hard Drive Bare Drive
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Refurbished Seagate Constellation.2 ST9500620NS 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise-class Internal Hard Drive Bare Drive
  • Average Latency: 4.16ms
  • Flash Memory Capacity: N/A
  • NAND Flash Memory Type: NOT FOR LAPTOPS!
  • Height (maximum): 15mm
  • Model #: ST9500620NS
ST91000640SS Seagate 1TB SAS 6G 2.5" SFF 7.2K Hard Drive
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Seagate
Refurbished ST91000640SS Seagate 1TB SAS 6G 2.5" SFF 7.2K Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Features: Hot Swap
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: ST91000640SS
WD Blue 750GB Hard Disk Drive - 5400 RPM SATA 6Gb/s 2.5 Inch - WD7500BPVX
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WD Blue 750GB Hard Disk Drive - 5400 RPM SATA 6Gb/s 2.5 Inch - WD7500BPVX
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD7500BPVX
Seagate Momentus Thin ST320LT020 320GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate Momentus Thin ST320LT020 320GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Latency: 5.6ms
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST320LT020
  •  
  • $34.99 
  • Free Shipping
TOSHIBA MK8009GAH 80GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8" Notebook Hard Drive Bare Drive
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TOSHIBA MK8009GAH 80GB 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 #: MK8009GAH

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