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Seagate Momentus 5400.4 ST9160827AS 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.4 ST9160827AS 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9160827AS
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  • $85.00 
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Seagate Momentus Thin ST320LT007 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Seagate Momentus Thin ST320LT007 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST320LT007
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  • $29.00 
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 Momentus 5400.4 ST9200827AS 200GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.4 ST9200827AS 200GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9200827AS
  •  
  • $60.19 
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Seagate ST9640423AS 640GB 5400 RPM 16MB Cache SATA 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate
Seagate ST9640423AS 640GB 5400 RPM 16MB Cache SATA 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Write Time: 13ms
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Model #: ST9640423AS
Seagate Momentus 7200.2 ST9160823ASG 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate
Seagate Momentus 7200.2 ST9160823ASG 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Latency: 4.17ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Model #: ST9160823ASG
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  • $114.19 
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Seagate Momentus 7200.2 ST9100821AS 100GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.2 ST9100821AS 100GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9100821AS
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  • $130.19 
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HEWLETT-PACKARD 1 TB 2.5" Internal Hard Drive / 655710-B21 /
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Toshiba MK6459GSXP 640 GB 2.5" Internal Hard Drive
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  • $125.19 
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HP 619291-B21 900 GB 2.5' Internal Hard Drive
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HP
HP 619291-B21 900 GB 2.5' Internal Hard Drive
  • Parts: 3 Year
  • Model #: 619291-B21
Toshiba MK5075GSX 500 GB 2.5" Internal Hard Drive
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Toshiba MK5075GSX 500 GB 2.5" Internal Hard Drive
  • Parts: 2 yrs
  • Labor: 2 yrs
  • Model #: HDD2L03
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Seagate 2TB Enterprise Capacity 2.5 Internal Hard Disk Drive SATA 6.0Gb/s 7200 RPM 128MB Cache Model ST2000NX0303
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Seagate
Seagate 2TB Enterprise Capacity 2.5 Internal Hard Disk Drive SATA 6.0Gb/s 7200 RPM 128MB Cache Model ST2000NX0303
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST2000NX0303
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  • $425.10 
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HPE SOURCING Enterprise Hard Drive
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HP
HPE SOURCING Enterprise Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Model #: 759212-S21
Seagate (DELL-OEM) 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
Refurbished Seagate (DELL-OEM) Savvio 10K.5 ST9300605SS 300GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Seek Time: Read: 3.4 ms Write: 3.8 ms
  • Average Latency: 3ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Model #: ST9300605SS
HP 146 GB 2.5" Internal Hard Drive
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HP
HP 146 GB 2.5" Internal Hard Drive
  • Height (maximum): 15.6 mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.7 mm
  • Parts: 3 Year
  • Model #: 652605-B21
  • $53.76
  •  
  • $45.19 
  • Save: 15%
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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 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
  •  
  • $50.00 
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Hitachi HTS547575A9E384 (0J11563) 750GB, 5400RPM, 2.5" Internal Hard Drive - New Bare Drive
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HP 600 GB 2.5" Internal Hard Drive
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HP
HP 600 GB 2.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Parts: 1 YEAR
  • Labor: 1 YEAR
  • Model #: 581311-001
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  • $74.19 
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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 
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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 HUC106060CSS600 Ultrastar C10K600 HUC106060CSS600 600 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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HP 300 GB 2.5' Internal Hard Drive
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HP
HP 300 GB 2.5' Internal Hard Drive
  • Parts: 3 Year Limited
  • Labor: 3 Year
  • Model #: 627117-S21
  •  
  • $63.19 
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Hitachi GST Travelstar 5K160 HTS541680J9SA00 (0A28842) 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K160 HTS541680J9SA00 (0A28842) 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS541680J9SA00
  •  
  • $40.00 
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Hitachi GST Travelstar 80GN IC25N080ATMR04 80GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 80GN IC25N080ATMR04 80GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 7.1ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: IC25N080ATMR04
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  • $75.00 
  • Free Shipping
Seagate ST9750422AS 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate ST9750422AS 750GB 7200 RPM 16MB 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 #: ST9750422AS
  •  
  • $250.00 
  • Free Shipping
SAMSUNG Spinpoint M7 HM250HI 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint M7 HM250HI 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Parts: 1 year limited
  • Model #: HM250HI
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  • $76.19 
  • Free Shipping
Fujitsu MHT2040AT 40GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Fujitsu MHT2040AT 40GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Write Time: 12ms
  • Average Latency: 7.14ms
  • Parts: 1 year limited
  • Model #: MHT2040AT
  •  
  • $78.19 
  • Free Shipping
Seagate ST9250421AS 250GB 7200 RPM SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  •  
  • $21.00 
  • Free Shipping
TOSHIBA Super Slimline MK6021GAS (HDD2183) 60GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA Super Slimline MK6021GAS (HDD2183) 60GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 7.14ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Model #: MK6021GAS
Seagate Momentus 7200.2 ST980813AS 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.2 ST980813AS 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST980813AS
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  • $90.00 
  • $5.99 Shipping
HGST Ultrastar C15K600 HUC156060CSS200 (0B28953) 600GB 15030 RPM 128MB Cache SAS 12Gb/s 2.5" Enterprise Hard Drive Bare Drive
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HGST Ultrastar C15K600 HUC156060CSS200 (0B28953) 600GB 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 #: 0B28953
  •  
  • $69.95 
  • Free Shipping
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SAMSUNG M6 Series HM320JI 320GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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SAMSUNG M6 Series HM320JI 320GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Model #: HM320JI
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  • $109.19 
  • Free Shipping
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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