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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
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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
WD Scorpio Blue WD2500BPVT 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished WD Scorpio Blue WD2500BPVT 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: WD2500BPVT
Seagate ST3402111A BarraCuda 7200.9 ST3402111A 40 GB Hard Drive - 3.5" Internal - IDE (IDE Ultra ATA/100 (ATA-6))
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  • $55.00 
  • Free Shipping
Seagate ST340215A BarraCuda ST340215A 40 GB Hard Drive - Internal - IDE (IDE Ultra ATA/100 (ATA-6))
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  • $60.00 
  • Free Shipping
Seagate Savvio 10K.6 ST900MM0026 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Savvio 10K.6 ST900MM0026 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 2.9ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST900MM0026
Seagate Momentus 5400.6 ST9500325ASG 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 ST9500325ASG 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 2 years limited
  • Labor: 2 years limited
  • Model #: ST9500325ASG
Dell/Western Digital Ultrastar DC HC520 12TB HUH721212AL5205 0F29553 7.2K RPM SAS 12Gb/s 512e 3.5in Enterprise Refurbished Hard Drive
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  • $309.00 
  • Free Shipping
Western Digital Scorpio Blue WD1200BEVE 120GB 5400 RPM 8MB Cache PATA 2.5" Internal Notebook Hard Drive Bare Drive
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Western Digital Scorpio Blue WD1200BEVE 120GB 5400 RPM 8MB Cache PATA 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • NAND Flash Memory Type: IDE 44PIN
  • Height (maximum): 9.5mm
  • Model #: WD1200BEVE
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  • $129.95 
  • Free Shipping
Seagate Momentus 5400.6 ST9250315AS 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.6 ST9250315AS 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: ST9250315AS
  •  
  • $48.90 
  • Free Shipping
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
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  • $40.00 
  • Free Shipping
Seagate Savvio 15K.2 ST9146852SS 146GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 15K.2 ST9146852SS 146GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 2ms
  • Parts: 5 Years Warranty
  • Labor: 5 Years Warranty
  • Model #: ST9146852SS
Lenovo ThinkPad 43N3423 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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  • $87.99 
  • Free Shipping
MaxDigitalData 500GB 32MB Cache 7200RPM SATA 6.0Gb/s (7mm) 2.5" Mobile Performance Hard Drive MD500GLSA3272S - 2 Year Warranty
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MaxDigitalData 500GB 32MB Cache 7200RPM SATA 6.0Gb/s (7mm) 2.5" Mobile Performance Hard Drive MD500GLSA3272S - 2 Year Warranty
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100.6mm
  • Parts: 2 Years Warranty from Reseller
  • Model #: MD500GLSA3272S
  •  
  • $29.99 
  • Free Shipping
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
HGST Travelstar 7K1000 HTS721010A9E630 (0J22423) 1TB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive (Standard Model) Bare Drive
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HGST Travelstar 7K1000 HTS721010A9E630 (0J22423) 1TB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive (Standard Model) Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.2ms
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 9.5mm
  • Model #: 0J22423
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
  •  
  • $115.10 
  • Free Shipping
Seagate Momentus 7200.4 ST9500420AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.4 ST9500420AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Brand: Seagate
  • Series: Momentus 7200.4
  • Model: ST9500420AS
  • Capacity: 500GB
  • Model #: ST9500420AS
Seagate Savvio 10K.3 ST9300603SS 300GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 15K.3 ST9300653SS 300GB 15000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate
Seagate Savvio 15K.3 ST9300653SS 300GB 15000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 2ms
  • Height (maximum): 15mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.45mm
  • Model #: ST9300653SS
Seagate Momentus XT ST500LX003 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Solid State Hybrid Drive Bare Drive
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Seagate Momentus XT ST500LX003 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Solid State Hybrid Drive Bare Drive
  • Brand: Seagate
  • Series: Momentus XT
  • Model: ST500LX003
  • Capacity: 500GB
  • Model #: ST500LX003
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0333
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Seagate
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0333
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.46mm
  • Model #: ST1000NX0333
MaxDigital 1TB 5400RPM 64MB Cache (7mm) SATA 6.0Gb/s 2.5" Mobile HDD / Notebook Hard Drive - 2 Year Warranty
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MaxDigital 1TB 5400RPM 64MB Cache (7mm) SATA 6.0Gb/s 2.5" Mobile HDD / Notebook Hard Drive - 2 Year Warranty
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100.6mm
  • Parts: 2 Years Warranty from Reseller
  • Model #: MD1000GLSA5464S
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
Seagate Constellation.2 ST9500620SS 500GB 7200 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise-class Hard Drive Bare Drive
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Seagate Constellation.2 ST9500620SS 500GB 7200 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise-class Hard Drive Bare Drive
  • Average Latency: 4.16ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST9500620SS
WL 250GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Internal Laptop Hard Drive w/1-Year Warranty
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WL 250GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Internal Laptop Hard Drive w/1-Year Warranty
  • Height (maximum): 9mm
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: MD2250GSATA
  •  
  • $29.99 
  • Free Shipping
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
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
  • $87.45 - $102.25
Seagate Savvio 10K.3 ST9300603SS 300GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 10K.3 ST9300603SS 300GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Brand: Seagate
  • Series: Savvio 10K.3
  • Model: ST9300603SS
  • Capacity: 300GB
  • Model #: ST9300603SS
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
WD Blue WD3200LPVX 320GB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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WD Blue WD3200LPVX 320GB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.5ms
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD3200LPVX
HP 507127-B21 300GB 10000 RPM SAS 6Gb/s 2.5" SFF Enterprise Hard Drive
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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
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
Seagate ST600MP0005 600 GB 2.5" Internal Hard Drive
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Seagate
Seagate ST600MP0005 600 GB 2.5" Internal Hard Drive
  • Brand: Seagate
  • Capacity: 600 GB
  • RPM: 15000 RPM
  • Form Factor: 2.5-inch
  • Model #: ST600MP0005

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