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Seagate Momentus 5400.3 ST960815A 60GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Seagate
Seagate Momentus 5400.3 ST960815A 60GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12.5ms
  • Average Latency: 5.6ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: ST960815A
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  • $98.00 
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Seagate ST9120817AS 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate ST9120817AS 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9120817AS
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  • $76.19 
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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
Seagate Savvio 10K.5 ST9600205SS 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate
Refurbished Seagate Savvio 10K.5 ST9600205SS 600GB 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): 70.1mm
  • Model #: ST9600205SS
  •  
  • $39.95 
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HP 507127-B21 300GB 10000 RPM SAS 6Gb/s 2.5" SFF Enterprise Hard Drive
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  •  
  • $232.99 
  • $13.08 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
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Seagate LD25.2 ST940210A 40GB 5400 RPM 2MB Cache Parallel ATA 2.5" Notebook Hard Drive Bare Drive
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  • $96.10 
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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 Momentus 4200.2 ST9808210A 80GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Seagate
Seagate Momentus 4200.2 ST9808210A 80GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12.5ms
  • Average Latency: 5.56ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: ST9808210A
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  • $153.19 
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Seagate ST9320423ASG 320GB 7200 RPM SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $47.19 
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Seagate Momentus 5400.6 ST980313AS 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate
Refurbished Seagate Momentus 5400.6 ST980313AS 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST980313AS
IBM 90Y8926 146GB 15000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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  • $130.19 
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Seagate Momentus 4200.2 ST9100822A 100GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 4200.2 ST9100822A 100GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12.5ms
  • Average Latency: 5.6ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: ST9100822A
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  • $150.19 
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HP GEN8 1TB SAS 6Gb/s 7200rpm 2 5" Hard Drive
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HP
HP GEN8 1TB SAS 6Gb/s 7200rpm 2 5" Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Features: Serial Attached SCSI is the logical evolution of SCSI including its long-established software advantage and the Serial ATA electrical and physical connection interface. With enterprise storage requirements escalating and becoming more complex factors such as larger capacity greater density security scalability and accessibility are more critical than ever. Enterprise data
  • Usage: Ideal for Servers
  • Model #: 652749-S21
Hitachi Travelstar 7K750 HTS727564A9E364 640 GB 2.5" Internal Hard Drive
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Hitachi Travelstar 7K750 HTS727564A9E364 640 GB 2.5" Internal Hard Drive
  • Average Latency: 4.2ms
  • Height (maximum): 9.5mm
  • Width (maximum): 70mm
  • Length (maximum): 100mm
  • Model #: 0J12282
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  • $60.00 
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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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Seagate Momentus Thin ST160LT007 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate
Seagate Momentus Thin ST160LT007 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST160LT007
  •  
  • $58.19 
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HP 652597-B21 73GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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  • $141.19 
  • Free Shipping
HP 613922-001 600GB 10000 RPM SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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  •  
  • $92.19 
  • Free Shipping
HP Enterprise 492620-B21 300GB 10000 RPM SAS 3Gb/s 2.5" SFF Internal Hard Drive
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  •  
  • $150.19 
  • Free Shipping
Hitachi 500 GB 2.5' Internal Hard Drive
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  •  
  • $79.00 
  • $15.00 Shipping
Dell 300 GB 2.5" Internal Hard Drive - SAS
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DELL
Dell 300 GB 2.5" Internal Hard Drive - SAS
  • NAND Flash Memory Type: Hard Drive
  • Features: Hard Drive
  • Model #: 400-ATIJ
Dell x162k 146 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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TOSHIBA MK5056GSY 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Used - Like New TOSHIBA MK5056GSY 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Write Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK5056GSY
  •  
  • $70.00 
  • Free Shipping
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
Hitachi HTS725050A9A360 (0J13655), 500GB, 2.5" Internal Hard Drive - New Bare Drive
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TOSHIBA MHZ2160BJ 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Used - Like New TOSHIBA MHZ2160BJ 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 10.5ms
  • Average Write Time: 12.5ms
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Model #: MHZ2160BJ
  •  
  • $68.00 
  • Free Shipping
TOSHIBA MK1246GSX 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Used - Very Good TOSHIBA MK1246GSX 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK1246GSX
  •  
  • $97.00 
  • Free Shipping
Fujitsu MHY2120BS 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Fujitsu MHY2120BS 120GB 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 #: MHY2120BS
  •  
  • $69.00 
  • $15.00 Shipping
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
  •  
  • $88.95 
  • Free Shipping
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
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
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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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
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. No issues. ”

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