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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
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 
  • 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
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
Western Digital VelociRaptor WD1000CHTZ 1 TB 2.5" Internal Hard Drive - 40 Pack
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  • $2,222.00 
  • Free Shipping
Hitachi Travelstar Z7K320 HTS723232A7A364 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - w/1 Year Warranty
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Hitachi Travelstar Z7K320 HTS723232A7A364 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - w/1 Year Warranty
  • Height (maximum): 7mm
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: HTS723232A7A364-OEM
  •  
  • $42.00 
  • Free Shipping
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
  •  
  • $75.00 
  • $5.99 Shipping
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%
  • Free Shipping
Dell 8JRN4 - 900GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 8JRN4 - 900GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 8JRN4
HITACHI Hts725050A7E630 Travelstar Z7K500 500Gb 7200Rpm Sata 6Gbps 32Mb Buffer 7Mm 2.5Inch Hard Drive
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HITACHI Hts725050A7E630 Travelstar Z7K500 500Gb 7200Rpm Sata 6Gbps 32Mb Buffer 7Mm 2.5Inch Hard Drive
  • Flash Memory Capacity: N/A
  • NAND Flash Memory Type: Hard Drive
  • Model #: HTS725050A7E630
  •  
  • $46.10 
  • Free Shipping
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
  •  
  • $74.19 
  • Free Shipping
HP Midline 507610-B21 500GB 7200 RPM SAS 6Gb/s 2.5" Internal Hard Drive
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HP
HP Midline 507610-B21 500GB 7200 RPM SAS 6Gb/s 2.5" Internal Hard Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Parts: 1 year limited
  • Model #: 507610-B21
  •  
  • $167.45 
  • Free Shipping
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
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 
  • Free Shipping
Dell Y4MWH - Dell 600GB 2.5" SAS 10K 6Gb/s Hard Drive
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DELL
Dell Y4MWH - Dell 600GB 2.5" SAS 10K 6Gb/s Hard Drive
  • NAND Flash Memory Type: SLC NAND
  • Average Latency: 6Gb/s
  • Model #: Y4MWH
Dell 745GC - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 745GC - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 745GC
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
  •  
  • $48.10 
  • Free Shipping
SAMSUNG Spinpoint M7E HM641JI 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint M7E HM641JI 640GB 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: 2 years limited
  • Model #: HM641JI
IBM 90Y8878 - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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IBM 90Y8878 - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • NAND Flash Memory Type: MLC
  • Usage: Ideal for Servers
  • Model #: 90Y8878
Dell PGHJG - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell PGHJG - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: PGHJG
Lenovo 81Y9727 500 GB Hard Drive - 2.5" Internal - SATA (SATA/600)
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Lenovo 81Y9727 500 GB Hard Drive - 2.5" Internal - SATA (SATA/600)
  • NAND Flash Memory Type: Hard Drive
  • Features: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 81Y9727
Toshiba MK6459GSXP 640 GB 2.5" Internal Hard Drive
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  • $125.19 
  • Free Shipping
Hitachi GST Travelstar 5K80 HTS548060M9AT00 (08K0638) 60GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K80 HTS548060M9AT00 (08K0638) 60GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS548060M9AT00
  •  
  • $74.19 
  • Free Shipping
Dell T6TWN - 1.2TB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell T6TWN - 1.2TB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: T6TWN
Hitachi GST Travelstar 7K200 HTS722020K9SA00 (0A50940) 200GB 7200 RPM 16MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K200 HTS722020K9SA00 (0A50940) 200GB 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 #: HTS722020K9SA00
  •  
  • $89.19 
  • Free Shipping
Dell 5TFDD - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 5TFDD - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 5TFDD
HGST HTS725050A7E635 500GB 7200RPM 32MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - OEM
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HGST HTS725050A7E635 500GB 7200RPM 32MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - OEM
  • Height (maximum): 7mm
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: HTS725050A7E635-OEM
Dell 342-0847 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 342-0847 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-0847
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
  •  
  • $68.19 
  • Free Shipping

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
Anonymous
3/16/2024 7:17:29 AM
Good Hard Drive

“ This is easy to install and increase the storage capacity of my laptop. ”

Seagate 2TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST2000LM015
Eric H.
12/17/2023 6:23:25 PM
Reliable

“ Used for computer backup & media storage, on three laptops, nearly 7x24. ”

Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST5000LM000
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