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Seagate Momentus Thin ST320LT009 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus Thin ST320LT009 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST320LT009
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  • $85.19 
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Lenovo 81Y9670 300 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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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
TOSHIBA HDD2H92 500GB SATA 2.5" MK5059GSX Internal Hard Drive Bare Drive
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TOSHIBA HDD2H92 500GB SATA 2.5" MK5059GSX Internal Hard Drive Bare Drive
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK5059GSX
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
IBM 81Y3812 - 300GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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  • $87.24
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  • $87.00 
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WD 1 TB 2.5-Inch Laptop Mainstream WDBMYH0010BNC-NRSN
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  • $87.99 
Lenovo ThinkPad 0B47322 500 GB 7200 RPM SATA3 Internal Hard Drive
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Lenovo
Lenovo ThinkPad 0B47322 500 GB 7200 RPM SATA3 Internal Hard Drive
  • Height (maximum): 7mm
  • Parts: 1 Year
  • Labor: 1 Year
  • Model #: Newegg_Delete
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  • $87.99 
  • Free Shipping
Lenovo ThinkPad 43N3423 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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  •  
  • $87.99 
  • Free Shipping
HP 2.5" 1.2TB 6G SAS 10000 RPM Dual Port Enterprise Hard Drives
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HP
HP 2.5" 1.2TB 6G SAS 10000 RPM Dual Port Enterprise Hard Drives
  • NAND Flash Memory Type: Hard Drive
  • Features: High reliability for Mission Critical applications. Robust SAS interface (dual port, full duplex). New universal hot plug carriers exclusively for HP ProLiant Gen8 servers. Maintaining existing universal hot plug carriers to support HP ProLiant G7 and earlier servers and server storage. Ideal for transaction processing, database applications, analytics, high performance
  • Usage: For Enterprise Storage
  • Model #: 718160-B21
HP 632078-B21 500GB 7200 RPM SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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HP
HP 632078-B21 500GB 7200 RPM SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Height (maximum): 18.8mm
  • Width (maximum): 73.91mm
  • Length (maximum): 100.33mm
  • Model #: 632078-B21
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  • $88.00 
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IBM 36.40 GB 2.5' Internal Hard Drive
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IBM 36.40 GB 2.5' Internal Hard Drive
  • Parts: 3 Year Limited
  • Model #: 26K5654
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  • $88.00 
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Seagate Momentus 7200.3 ST9250421AS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Notebooks Hard Drive Bare Drive
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Seagate Momentus 7200.3 ST9250421AS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Notebooks Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9250421AS
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  • $88.19 
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Seagate ST9500323CS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate
Refurbished Seagate ST9500323CS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST9500323CS
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  • $88.95 
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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
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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
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  • $89.19 
  • Free Shipping
Fujitsu MHU2100AT 100GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Fujitsu MHU2100AT 100GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 7.14ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MHU2100AT
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  • $89.19 
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TOSHIBA MK1234GSX 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK1234GSX 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • NAND Flash Memory Type: Hard Drive
  • Parts: 1 year limited
  • Model #: MK1234GSX
Seagate 1TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST1000LM048
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in 30 days
Seagate 1TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST1000LM048
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST1000LM048
TOSHIBA MK6008GAH 60GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8" Notebook Hard Drive Bare Drive
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TOSHIBA MK6008GAH 60GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8" Notebook Hard Drive Bare Drive
  • Average Seek Time: 15ms
  • Average Latency: 7.14ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MK6008GAH
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  • $89.95 
  • Free Shipping
HGST Travelstar Z5K500 HTE545050A7E380 500 GB 2.5" Internal Hard Drive
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  • $89.95 
  • Free Shipping
IBM DYLA-28100 (03L5658), 8GB, 2.5" IDE Internal Hard Drive
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  • $89.99 
  • Free Shipping
Western Digital WD VelociRaptor WD1000CHTZ 1TB 10000 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise Hard Drive Bare Drive
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Western Digital WD VelociRaptor WD1000CHTZ 1TB 10000 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise Hard Drive Bare Drive
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.45mm
  • Model #: WD1000CHTZ
Seagate FireCuda Gaming SSHD 500GB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST500LX025
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Seagate FireCuda Gaming SSHD 500GB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST500LX025
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LX025
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  • $90.00 
  • Free Shipping
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0363
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Seagate
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0363
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST1000NX0363
Seagate Momentus ST9750423AS 750GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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  • $90.00 
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TOSHIBA MK2006GAL 20GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8" Notebook Hard Drive Bare Drive
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TOSHIBA MK2006GAL 20GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8" Notebook Hard Drive Bare Drive
  • Average Seek Time: 15ms
  • Average Latency: 7.14ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MK2006GAL
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  • $90.00 
  • Free Shipping
Seagate ST980811AS-RK 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive
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Seagate
Seagate ST980811AS-RK 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive
  • Average Seek Time: 11ms
  • Average Write Time: 13ms
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Model #: ST980811AS-RK
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  • $90.00 
  • Free Shipping
IBM 146 GB 2.5' Internal Hard Drive
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IBM 146 GB 2.5' Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Parts: 1 Year
  • Model #: 44W2294
  •  
  • $90.00 
  • Free Shipping
Dell 341-4732 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
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  •  
  • $90.09 
  • 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

“ 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