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HITACHI 250GB 7200RPM 2.5" LAPTOP HARD DRIVE BARE DRIVE  HTS725025A9A364
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  • $28.99 
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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 
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HP 1.20 TB 2.5" Internal Hard Drive
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  • $259.99 
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HGST Travelstar Z7K500 HTS725050A7E630 500 GB 2.5" Internal Hard Drive
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  • $48.95 
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DELL 740Y7 300Gb 10000Rpm Sas6Gbits 16Mb Buffer 2.5Inch Hard Disk Drive With Trayfor Powervault Server
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DELL
DELL 740Y7 300Gb 10000Rpm Sas6Gbits 16Mb Buffer 2.5Inch Hard Disk Drive With Trayfor Powervault Server
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 740Y7
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
Hewlett Packard HP 507125-B21 146GB 2.5" Internal SAS Hard Drive, 10000rpm
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  • $44.95 
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Dell x162k 146 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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Dell Seagate 300GB 10K RPM 6Gbp/s SAS 2.5 Inch Hard Drive 745GC ST9300605SS
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  • $40.00 
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HP E7W47A 10000 RPM SAS 6Gb/s 2.5" SFF Dual Port Enterprise Hard Drive
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HP
HP E7W47A 10000 RPM SAS 6Gb/s 2.5" SFF Dual Port Enterprise Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Features: Storage Capacity: 1.20 TBRotational Speed: 10000 rpmWireless LAN: NoDrive Interface: SASDrive Interface Standard: 6Gb/s SASColor: BlackDrive Type: InternalDrive Width: 2.5"Height: 4.6" (117.6 mm)Width: 7" (177.8 mm)Depth: 9" (228.6 mm)Weight (Approximate): 412.8 gCompatibility: HP MSA StorageDevice Supported: Storage SystemLimited Warranty: 3 Year
  • Usage: For Enterprise Storage
  • Parts: 3 Year
  • Model #: E7W47A
HP 655710-B21 1TB 7200 RPM SATA 6.0Gb/s 2.5" SFF SC Midline Hard Drive
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HP
HP 655710-B21 1TB 7200 RPM SATA 6.0Gb/s 2.5" SFF SC Midline Hard Drive
  • Height (maximum): 15.7 mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.6 mm
  • Model #: 655710-B21
HP 632142-001 500GB 7200 RPM SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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  • $90.00 
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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
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  • $167.45 
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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
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  • $46.10 
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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
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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
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  • $42.00 
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HGST Travelstar 5K500.B HTS545025B9A300 250 GB 2.5" Internal Hard Drive
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  • $54.95 
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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
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  • $139.95 
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HP 653950-001 146GB 15000 RPM SAS 6Gb/s 2.5" Hot-Plug Hard Drive
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HP
HP 653950-001 146GB 15000 RPM SAS 6Gb/s 2.5" Hot-Plug Hard Drive
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: 653950-001
HGST Travelstar Z7K500 HTS725025A7E630 250 GB 2.5" Internal Hard Drive
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  • $47.95 
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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 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
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  • $55.00 
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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
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  • $42.95 
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Dell-IMSourcing CWHNN 300 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $60.00
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  • $41.45 
  • Save: 30%
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HEWLETT-PACKARD 1 TB 2.5" Internal Hard Drive / 655710-B21 /
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36RH9-ALT Dell Enterprise 1.2TB 10K 6Gbps SAS 2.5 Hard Drive w/Tray ST1200MM0007
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  • $98.00 
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400-AJQD - Dell 1.2TB 10K SAS 2.5" Hard Drive PowerEdge T330 T430 T530 T630 T730
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  • $149.00 
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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
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