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HGST Travelstar Z7K320 HTS723232A7A364 320 GB 2.5" Internal Hard Drive
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  • $64.00 
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DELL 0Wf12F  1Tb 7200Rpm Sataii 64Mb Buffer 2.5Inch Hard Disk Drive With Tray
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  • $64.00 
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Dell 745GC (ST9300605SS) 300GB 10k RPM SAS-6Gb/s 2.5" HDD
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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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WD XE WD9001BKHG 900 GB 2.5" Internal Hard Drive
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Western Digital
WD XE WD9001BKHG 900 GB 2.5" Internal Hard Drive
  • Parts: 5 Year
  • Model #: WD9001BKHG-40PK
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  • $64.95 
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HGST Ultrastar C15K600 HUC156030CSS200 (0B28955) 300GB 15030 RPM 128MB Cache SAS 12Gb/s 2.5" Enterprise Hard Drive Bare Drive
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HGST Ultrastar C15K600 HUC156030CSS200 (0B28955) 300GB 15030 RPM 128MB Cache SAS 12Gb/s 2.5" Enterprise Hard Drive Bare Drive
  • Average Seek Time: 2.9ms
  • Average Write Time: 3.1ms
  • Average Latency: <2.0ms
  • Height (maximum): 14.8mm
  • Model #: 0B28955
Seagate Momentus ST9750420AS 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus ST9750420AS 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Brand: Seagate
  • Series: Momentus
  • Model: ST9750420AS
  • Capacity: 750GB
  • Model #: ST9750420AS
Seagate Momentus 5400 ST9640320AS 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 5400 ST9640320AS 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Latency: 5.5ms
  • Parts: 2 years limited
  • Labor: 2 years limited
  • Model #: ST9640320AS
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  • $65.00 
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TOSHIBA MK3276GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK3276GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: MK3276GSX
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  • $65.00 
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HGST Travelstar 7K750 HTS727550A9E365 500 GB 2.5" Internal Hard Drive
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  • $65.00 
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Dell Fujitsu 300GB 10K RPM 6Gbp/s SAS 2.5 Inch Hard Drive U706K MBD2300RC
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Lenovo 1.2TB 10K SAS 2.5" G3HS
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  • $65.00 
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HGST 7K750-500 HTS727550A9E364 (0J23561) 500GB 7200RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Refurbished HGST 7K750-500 HTS727550A9E364 (0J23561) 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 #: 0J23561
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  • $65.00 
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MJA2250BH FFS G1, PN CA07083-B50400AP, Fujitsu 250GB SATA 2.5 Hard Drive
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  • $65.00 
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342-5524 Dell - 1.2TB 10K SAS 6GB/s 2.5" HD
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  • $65.00 
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HGST 0J15263 C5K750-750 HCC547575A9E380 MLC DA3935 750GB 2.5" SATA Hard Drive
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  • $65.10 
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SAMSUNG Spinpoint M7E HM251HI 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Used - Like New SAMSUNG Spinpoint M7E HM251HI 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Parts: 3 years limited
  • Model #: HM251HI
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  • $65.10 
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Hitachi GST Travelstar 5K320 HTS543232L9A300 (0A56417) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K320 HTS543232L9A300 (0A56417) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS543232L9A300
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  • $65.19 
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Seagate ST9250421ASG 250GB 7200 RPM SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Seagate ST9250421ASG 250GB 7200 RPM SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Parts: 90 days limited
  • Model #: ST9250421ASG
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  • $66.00 
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Fujitsu MHZ2080BJ-G2 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Used - Like New Fujitsu MHZ2080BJ-G2 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 10.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MHZ2080BJ-G2
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  • $66.00 
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SAMSUNG Spinpoint MP4 HM500JJ 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint MP4 HM500JJ 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 4.13ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: HM500JJ
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  • $66.19 
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HPE-IMSourcing 146 GB 2.5" Internal Hard Drive - SAS
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  • $67.00 
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HPE-IMSourcing 1 TB 2.5" Internal Hard Drive - SATA
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  • $67.19 
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OEM HGST 500GB 32MB Cache 7200RPM SATA III 6.0Gb/s 2.5" Laptop / Macbook Hard Drive
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  • $68.00 
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TOSHIBA MHZ2160BJ 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Used - Like New TOSHIBA MHZ2160BJ 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 10.5ms
  • Average Write Time: 12.5ms
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Model #: MHZ2160BJ
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  • $68.00 
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Hitachi GST Ultrastar 0B24153 300GB 10000 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise Hard Disk Drive Bare Drive
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Hitachi GST Ultrastar 0B24153 300GB 10000 RPM 64MB Cache SATA 6.0Gb/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 #: 0B24153
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  • $68.19 
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SAMSUNG Spinpoint M7 HM500JI 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint M7 HM500JI 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Write Time: 14ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HM500JI
  • $114.95
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  • $68.19 
  • Save: 40%
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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
Dell 1TB 7.2K 6Gbps Enterprise SATA 2.5 Hard Drive
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  • $69.00 
Dell 900GB 10K 6Gbps SAS 2.5 Hard Drive
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  • $69.00 
Dell 1TB 7.2K 6Gbps SAS 2.5 Hard Drive
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  • $69.00 
Fujitsu MHV2080BH 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Fujitsu MHV2080BH 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Write Time: 30 DAY WARRANTY NOW
  • Average Latency: 5.56ms
  • NAND Flash Memory Type: 30 DAY WARRANTY NOW
  • Model #: MHV2080BH
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  • $69.00 
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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

“ 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