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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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HP 146GB 6G SAS 15K 2.5 Dual Port HDD 512547-B21
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HP
Refurbished HP 146GB 6G SAS 15K 2.5 Dual Port HDD 512547-B21
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 512547-B21
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  • $49.99 
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HP DG146BABCF 146Gb 10000Rpm Sas Single Port 2.5Inch Hot Swap Disk Drive With Tray
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  • $49.99 
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Dell YP778 - 300GB 3.5" SAS 15K 3Gb/s HS Hard Drive
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  • $49.99 
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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 Momentus XT ST95005620AS 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s with NCQ 2.5" Solid State Hybrid Drive Bare Drive
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Seagate Momentus XT ST95005620AS 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s with NCQ 2.5" Solid State Hybrid Drive Bare Drive
  • Average Write Time: 13ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.30mm
  • Model #: ST95005620AS
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  • $50.00 
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HGST 7K750-500 HTS727550A9E364 500GB 7200RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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HGST 7K750-500 HTS727550A9E364 500GB 7200RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Height (maximum): 9mm
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: HTS727550A9E364
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  • $50.00 
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HGST Travelstar Z5K320 HTS543232A7A384 320 GB 2.5" Internal Hard Drive
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HGST Travelstar Z5K320 HTS543232A7A384 320 GB 2.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 7mm
  • Model #: HTS543232A7A384
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  • $50.00 
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HP Toshiba MQ01ACF050 2.5" SATA 500GB S/N 64N6C6WJT P/N: 724967-001
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  • $50.00 
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TOSHIBA MK5061GSY 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK5061GSY 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.16ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Model #: MK5061GSY
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  • $50.00 
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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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SAMSUNG
Refurbished 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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  • $50.00 
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Samsung SpinPoint M8 Momentus ST320LM001 320GB 2.5" SATA II Laptop Hard Drive
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  • $50.00 
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Dell 9W5WV 1TB 2.5" SAS 7200RPM 6Gbps Hard Drive
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  • $50.00 
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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 
  • Free Shipping
TOSHIBA MK3265GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK3265GSX 320GB 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 #: MK3265GSX
TOSHIBA MK5065GSX 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK5065GSX 500GB 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 #: MK5065GSX
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
HP 431958-B21 146GB 10000 RPM SAS 3Gb/s 2.5" Internal Notebook Hard Drive
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Seagate ST1200MM0007 Savvio 10K.7 ST1200MM0007 1.20 TB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $51.10 
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Dell 4X1DR - 900GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 4X1DR - 900GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 4X1DR
SAMSUNG Spinpoint M Series HM160JI 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint M Series HM160JI 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HM160JI
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  • $52.19 
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HP 500670-B21 2GB DDR3 SDRAM Memory Module
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HP
Refurbished HP 500670-B21 2GB DDR3 SDRAM Memory Module
  • NAND Flash Memory Type: Hard Drive
  • Model #: 500670-B21
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  • $52.99 
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Dell H8DVC - 300GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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Hitachi GST HTS547564A9E384 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $53.00 
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Seagate Momentus Thin ST250LT003 250GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate Momentus Thin ST250LT003 250GB 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 #: ST250LT003
  • $70.00
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  • $53.10 
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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
Hitachi GST Travelstar 7K500 HTE725025A9A364 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $54.00 
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Dell CHEETAH 15K.6 XX518 0XX518 146GB 15000RPM 3Gb/s 16MB 3.5IN SAS Hard Drive ST3146356SS
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DELL
Dell CHEETAH 15K.6 XX518 0XX518 146GB 15000RPM 3Gb/s 16MB 3.5IN SAS Hard Drive ST3146356SS
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: ST3146356SS/XX518
HP 500660-B21 4GB DDR3 SDRAM Memory Module
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HP
Refurbished HP 500660-B21 4GB DDR3 SDRAM Memory Module
  • NAND Flash Memory Type: Hard Drive
  • Model #: 500660-B21
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  • $54.00 
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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
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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 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
HGST Travelstar 5K500.B HTS545025B9A300 250 GB 2.5" Internal Hard Drive
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  • $54.95 
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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
  • $87.44 - $102.81
Western Digital WD VelociRaptor WD6000BLHX 600GB 10000 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Western Digital WD VelociRaptor WD6000BLHX 600GB 10000 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 3ms
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100mm
  • Model #: WD6000BLHX
  • $218.50
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  • $167.00 
  • Save: 23%
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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