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HGST Travelstar 5K500.B HTE545050B9A300 500 GB 2.5" Internal Hard Drive
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  • $48.19 
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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 507749-001 500Gb 7200Rpm Sata 2.5Inch Midline Hard Disk Drive With Tray
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  • $338.62
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  • $74.00 
  • Save: 78%
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HPE 693569-001 300 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $155.00 
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FUJITSU Mhw2100Bh 100Gb 5400Rpm 8Mb Buffer Sata 7Pin 2.5Inch Notebook Hard Drive
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  • $79.00 
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DELL J084N  146Gb 15000Rpm Sas3Gbits 2.5Inch Form Factor 16Mb Buffer Hard Disk Drive With Tray For Poweredge Server
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  • $38.00 
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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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HGST Ultrastar 0B25095 450GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Enterprise Hard Disk Drive Bare Drive
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HGST Ultrastar 0B25095 450GB 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 #: 0B25095
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Dell T871K - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell T871K - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: T871K
Seagate ST9250410ASG Momentus 7200.4 ST9250410ASG 250 GB Hard Drive - 2.5" Internal - SATA (SATA/300)
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  • $64.80 
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Lenovo 00AD075 1.2TB 10000 RPM SAS 6Gb/s 2.5" Hard Drives - Notebooks / Laptops
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FUJITSU Mhv2160Bt 160Gb 4200Rpm 8Mb Buffer 2.5Inch Sata 7Pin Notebook Hard Drive
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  • $155.19 
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740Y7 DELL 300GB 10K RPM 6GBits 16MB Cache 2.5 Inch SAS Hard Disk
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SAMSUNG Spinpoint M6 HM500LI 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint M6 HM500LI 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HM500LI
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  • $220.19 
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Dell K532N - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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DELL
Dell K532N - 146GB 2.5" SAS 15K 6Gb/s HS Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: K532N
Toshiba N300 16TB SATA III 3.5" Internal NAS Hard Drive #HDWG81GXZSTA
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  • $498.99 
Seagate EE25 ST930818AM 30 GB 2.5' Internal Hard Drive
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  • $119.00 
  • $15.00 Shipping
Dell 400-ATKB 2TB 7200 RPM SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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  • $190.00 
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Seagate ST1800MM0158 1.80 TB 2.5" Internal Hard Drive
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Seagate
Seagate ST1800MM0158 1.80 TB 2.5" Internal Hard Drive
  • Average Latency: 2ms
  • Model #: ST1800MM0158
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  • $360.19 
  • $7.10 Shipping
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
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  • $69.00 
  • $15.00 Shipping
HGST Ultrastar C10K900 HUC109045CSS600 450 GB 2.5 Internal Hard Drive SAS - 10000 rpm - 64 MB Buffer
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  • $19.95 
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  • $17.50 - $19.95
Dell 341-4733 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
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  • $176.09 
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1TB Hitachi Travelstar 5K1000 2.5-inch SATA hard drive (5400rpm, 8MB cache)
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1TB Hitachi Travelstar 5K1000 2.5-inch SATA hard drive (5400rpm, 8MB cache)
  • Brand: HGST
  • Series: Travelstar
  • Model: TravelStar 5K1000
  • RPM: 5400 RPM
  • Model #: HTS541010A9E680
Dell 463-1660 600 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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DELL
Dell 463-1660 600 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
  • NAND Flash Memory Type: Hard Drive
  • Features: Hard Drive
  • Model #: 463-1660
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  • $275.00 
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Western Digital Scorpio Black WD3200BEKT-50PK 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - 50 Pack Bare Drive
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Western Digital
Western Digital Scorpio Black WD3200BEKT-50PK 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - 50 Pack Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: WD3200BEKT-50PK
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  • $2,200.00 
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Dell 400-AEFL 1 TB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $270.00 
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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

“ 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