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Fujitsu Mhy2250bh 250Gb 5400Rpm 8Mb Buffer 2.5Inch Sata150 7Pin Hard Disk Drive
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  • $47.19 
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Seagate ST9320423ASG 320GB 7200 RPM SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $47.19 
  • Free Shipping
Dell W328K - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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Dell W328K - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: W328K
HGST Travelstar C4K60 HTC426040G9AT00 40 GB 1.8" Internal Hard Drive - IDE
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  • $39.99 
  • $7.95 Shipping
HGST HUC156060CSS200 2.5" 600GB SAS 12Gb/s 15K RPM 128M 512N 0B28953 Internal Enterprise Hard Drive
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HGST HUC156060CSS200 2.5" 600GB SAS 12Gb/s 15K RPM 128M 512N 0B28953 Internal Enterprise Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: HUC156060CSS200
HGST Travelstar Z7K500 HTS725025A7E630 250 GB 2.5" Internal Hard Drive
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  • $47.95 
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TOSHIBA MK3261GSYN 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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TOSHIBA MK3261GSYN 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.16ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Model #: MK3261GSYN
Dell YJ0GR - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell YJ0GR - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: YJ0GR
Seagate ST500LT032 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Ultrathin Internal Notebook Hard Drive Bare Drive
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Seagate ST500LT032 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Ultrathin Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: <13ms
  • Average Write Time: <15ms
  • Average Latency: 5.6ms
  • Height (maximum): 5mm
  • Model #: ST500LT032
Seagate Savvio 15K.2 ST973452SS 73GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 15K.2 ST973452SS 73GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Seek Time: 2.9ms
  • Average Write Time: 3.3ms
  • Average Latency: 2ms
  • Height (maximum): 14.80mm
  • Model #: ST973452SS
  • $53.00
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  • $48.00 
  • Save: 9%
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HP Enterprise 512547-B21 146GB 15000 RPM SAS 6Gb/s 2.5" SFF Internal Hard Drive
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  • $48.00 
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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
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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
  • Flash Memory Capacity: N/A
  • Height (maximum): 9.7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST500LX003
HP 581286-S21 600 GB 2.5' Internal Hard Drive
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  • $48.00 
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Seagate 500GB Ultra Mobile Solid State Hybrid Hard Disk Drive - 5400 RPM SATA 6.0Gb/s 2.5" Model# ST500LX012
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Seagate
Seagate 500GB Ultra Mobile Solid State Hybrid Hard Disk Drive - 5400 RPM SATA 6.0Gb/s 2.5" Model# ST500LX012
  • Brand: Seagate
  • Model: ST500LX012
  • Capacity: 500GB
  • RPM: 5400 RPM
  • Model #: ST500LX012
Fujitsu MHW2160BH 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Fujitsu MHW2160BH 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Write Time: 14ms
  • Average Latency: 5.56ms
  • Parts: 1 year limited
  • Model #: MHW2160BH
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  • $48.00 
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WD BLACK SERIES WD3200BEKX 320GB 7200 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished WD BLACK SERIES WD3200BEKX 320GB 7200 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 2.75"
  • Length (maximum): 3.94"
  • Model #: WD3200BEKX
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  • $48.00 
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Seagate Hybrid Drives ST500LM000 500GB MLC/8GB 64MB Cache SATA 6.0Gb/s NCQ 2.5" Laptop SSHD - Bare Drive
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Refurbished Seagate Hybrid Drives ST500LM000 500GB MLC/8GB 64MB Cache SATA 6.0Gb/s NCQ 2.5" Laptop SSHD - Bare Drive
  • Flash Memory Capacity: 8GB
  • Height (maximum): 6.8mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LM000
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  • $48.00 
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TOSHIBA MKxx33GSG Series MK1633GSG 160GB 5400 RPM 16MB Cache SATA 3.0Gb/s 1.8" Internal Hard Drive
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TOSHIBA MK1637GSX 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK1637GSX 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MK1637GSX
Hitachi GST Ultrastar 0B23909 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Enterprise Hard Disk Drive Bare Drive
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Hitachi GST Ultrastar 0B23909 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Enterprise Hard Disk Drive Bare Drive
  • Average Seek Time: 3.7ms
  • Average Latency: 3ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: 0B23909
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  • $48.10 
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Hitachi GST Travelstar 7K200 HTS722016K9SA00 (0A50939) 160GB 7200 RPM 16MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K200 HTS722016K9SA00 (0A50939) 160GB 7200 RPM 16MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 10ms
  • Average Latency: 4.2ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS722016K9SA00
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  • $48.19 
  • Free Shipping
Seagate Momentus 5400.4 ST9250827AS 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.4 ST9250827AS 250GB 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 #: ST9250827AS
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  • $48.19 
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HGST Travelstar 5K500.B HTE545050B9A300 500 GB 2.5" Internal Hard Drive
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  • $48.19 
  • 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
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  • $48.90 
  • Free Shipping
HGST Travelstar Z7K500 HTS725050A7E630 500 GB 2.5" Internal Hard Drive
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  • $48.95 
  • Free Shipping
Seagate Momentus 5400.3 ST9160821AS 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.3 ST9160821AS 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST9160821AS
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  • $43.00 
  • $5.99 Shipping
740Y7 DELL 300GB 10K RPM 6GBits 16MB Cache 2.5 Inch SAS Hard Disk
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Dell 745GC (ST9300605SS) 300GB 10k RPM SAS-6Gb/s 2.5" HDD
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Seagate Savvio 10K.5 ST9900805SS 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 10K.5 ST9900805SS 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Average Latency: 3ms
  • Features: Important Warranty Information This product is end-of-sale and no longer warranted by the manufacturer. Instead, Newegg warranties this product for one year from date of purchase. If you require warranty service after thirty days, please contact Newegg Customer Service, not the manufacturer. Delivers the highest-capacity in a 2.5-inch, 10K-RPM hard drive (up
  • Usage: Ideal for Servers
  • Model #: ST9900805SS
Dell 7T0DW - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 7T0DW - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 7T0DW
SAMSUNG Spinpoint M7E HM321HI 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $49.19 
  • Free Shipping
TOSHIBA MK3255GSX (HDD2H27) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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TOSHIBA MK3255GSX (HDD2H27) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Latency: 5.55ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK3255GSX
Dell H8DVC 300GB 15K SAS 2.5" Hard drive
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DELL
Refurbished Dell H8DVC 300GB 15K SAS 2.5" Hard drive
  • NAND Flash Memory Type: Hard Drive
  • Features: Hot Swap
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: H8DVC
TOSHIBA MK3259GSXP 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK3259GSXP 320GB 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): 100mm
  • Model #: MK3259GSXP

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