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Toshiba 320 GB 2.5' Internal Hard Drive
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Toshiba 320 GB 2.5' Internal Hard Drive
  • Parts: 3 Year Limited
  • Model #: MHZ2320BH
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  • $109.00 
  • Free Shipping
Dell Fujitsu 300GB 10K RPM 6Gbp/s SAS 2.5 Inch Hard Drive U706K MBD2300RC
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IBM IC25T060ATCS05-0 Travelstar 60Gb 5400Rpm DMA/ATA-100 (Ultra) 2.5-Inch Internal Hard Disk Drive
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  •  
  • $69.00 
  • $15.00 Shipping
Lenovo 04W0582 / 42T1384 320Gb 7200RPM SATA-6.0Gbps 2.5-Inch Internal Notebook Hard Drive
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  •  
  • $119.00 
  • $15.00 Shipping
WD Blue 250GB Mobile Hard Disk Drive - 5400 RPM SATA 3 Gb/s 2.5 Inch - WD2500LPVT
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Used - Like New WD Blue 250GB Mobile Hard Disk Drive - 5400 RPM SATA 3 Gb/s 2.5 Inch - WD2500LPVT
  • Height (maximum): 6.8mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.2mm
  • Model #: WD2500LPVT
  • $115.16
  •  
  • $35.00 
  • Save: 69%
  • Free Shipping
HGST Travelstar 5K500.B HTS545025B9A300 250 GB 2.5" Internal Hard Drive
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  •  
  • $54.95 
  • Free Shipping
HITACHI 160GB 5400RPM SATA-2 2.5 INCH HARD DRIVE HTS543216A7A384
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  •  
  • $44.00 
  • Free Shipping
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
  •  
  • $260.19 
  • $7.10 Shipping
Dell NP659 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
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DELL
Dell NP659 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
  • NAND Flash Memory Type: Hard Drive
  • Model #: NP659
HGST Travelstar Z7K500 HTS725025A7E630 250 GB 2.5" Internal Hard Drive, SATA III - 7200 rpm - 32 MB
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HGST Travelstar Z7K500 HTS725025A7E630 250 GB 2.5" Internal Hard Drive, SATA III - 7200 rpm - 32 MB
  • Height (maximum): 7mm
  • Width (maximum): 69MM
  • Length (maximum): 100MM
  • Parts: 30 DAYS NOW
  • Model #: TI62W-00-B00J4-1
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  • $39.85 
  • Free Shipping
Seagate ST9320320AS 320GB 5400 RPM SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Seagate ST9320320AS 320GB 5400 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 #: ST9320320AS
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  • $45.95 
  • Free Shipping
Dell-IMSourcing CWHNN 300 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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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
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
  •  
  • $48.00 
  • Free Shipping
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
Dell C975M - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell C975M - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: C975M
Hitachi HTS725050A9A360 (0J13655), 500GB, 2.5" Internal Hard Drive - New Bare Drive
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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
Fujitsu MHY2200BH 200GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Fujitsu MHY2200BH 200GB 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: 3 years limited
  • Model #: MHY2200BH
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  • $59.19 
  • Free Shipping
Dell 400-ATKB 2TB 7200 RPM SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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  • $190.00 
  • Free Shipping
740Y7 DELL 300GB 10K RPM 6GBits 16MB Cache 2.5 Inch SAS Hard Disk
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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
  • RPM: 5400 RPM
  • Interface: SATA
  • Model #: HTS541010A9E680
Hitachi GST Travelstar C4K60 HTC426060G9AT00 60GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar C4K60 HTC426060G9AT00 60GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8" Notebook Hard Drive Bare Drive
  • Average Seek Time: 15ms
  • Average Latency: 7.1ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: HTC426060G9AT00
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  • $82.19 
  • 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