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Seagate Momentus Thin ST320LT007 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Seagate Momentus Thin ST320LT007 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST320LT007
  •  
  • $29.00 
TOSHIBA MK3263GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.6 ST9500325AS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Seagate Momentus 5400.6 ST9500325AS 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): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: ST9500325AS
WD XE WD9001BKHG 900 GB 2.5" Internal Hard Drive
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Western Digital
WD XE WD9001BKHG 900 GB 2.5" Internal Hard Drive
  • Parts: 5 Year
  • Model #: WD9001BKHG-40PK
  •  
  • $64.95 
  • Free Shipping
Seagate Momentus 5400.3 ST9120822AS 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.3 ST9120822AS 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST9120822AS
  •  
  • $45.00 
  • Free Shipping
HGST 0J15263 C5K750-750 HCC547575A9E380 MLC DA3935 750GB 2.5" SATA Hard Drive
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  •  
  • $65.10 
  • Free Shipping
Seagate 2TB Enterprise Capacity 2.5 Internal Hard Disk Drive SATA 6.0Gb/s 7200 RPM 128MB Cache Model ST2000NX0303
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Seagate
Seagate 2TB Enterprise Capacity 2.5 Internal Hard Disk Drive SATA 6.0Gb/s 7200 RPM 128MB Cache Model ST2000NX0303
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST2000NX0303
  •  
  • $350.00 
  • Free Shipping
Seagate Hybrid Drives ST500LM000 500GB MLC/8GB 64MB Cache SATA 6.0Gb/s NCQ 2.5" Laptop SSHD - Bare Drive
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Refurbished Seagate Hybrid Drives ST500LM000 500GB MLC/8GB 64MB Cache SATA 6.0Gb/s NCQ 2.5" Laptop SSHD - Bare Drive
  • Flash Memory Capacity: 8GB
  • Height (maximum): 6.8mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LM000
  •  
  • $48.00 
  • Free Shipping
TOSHIBA MQ01ABD100 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished TOSHIBA MQ01ABD100 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Model #: MQ01ABD100
Hitachi GST Travelstar 7K500 HTS725032A9A364 (0A72333) 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K500 HTS725032A9A364 (0A72333) 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.2ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: 0A72333
  •  
  • $55.10 
  • Free Shipping
Seagate Momentus 5400.4 ST9250827AS 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.4 ST9250827AS 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST9250827AS
  •  
  • $48.19 
  • Free Shipping
Seagate Samsung Spinpoint M8 ST320LM001 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Samsung Spinpoint M8 ST320LM001 320GB 5400 RPM 8MB 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 #: ST320LM001
  •  
  • $50.19 
  • Free Shipping
TOSHIBA MK1676GSX (HDD2J96) 160GB 5400 RPM SATA 2.5" Internal Notebook Hard Drive
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TOSHIBA MK1676GSX (HDD2J96) 160GB 5400 RPM SATA 2.5" Internal Notebook Hard Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Length (maximum): 100MM
  • Parts: 30 DAYS
  • Model #: MK1676GSX
Seagate Momentus 7200.2 ST9160823AS 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.2 ST9160823AS 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9160823AS
  •  
  • $90.19 
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HP 759208-S21 300GB 15000 RPM SAS 12Gb/s 2.5" Enterprise Hard Drive
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HP
HP 759208-S21 300GB 15000 RPM SAS 12Gb/s 2.5" Enterprise Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Features: HP SAS Enterprise and Midline hard drives deliver high performance solutions for hosting high transaction based applications. Available in HP hot plug carriers or non-hot plug. HP SAS Enterprise and Midline hard drives come in both 2.5-inch (SFF) and 3.5-inch (LFF) industry standard form factors and are available in a
  • Usage: For Enterprise Storage
  • Model #: 759208-S21
Seagate Momentus 7200.3 ST9320421AS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.3 ST9320421AS 320GB 7200 RPM 16MB 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 #: ST9320421AS
  •  
  • $100.00 
  • Free Shipping
Seagate Momentus 5400.2 ST98823AS 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.2 ST98823AS 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12.5ms
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Model #: ST98823AS
  •  
  • $100.00 
  • Free Shipping
Seagate Momentus 7200.2 ST9200420AS 200GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.2 ST9200420AS 200GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9200420AS
  •  
  • $100.19 
  • Free Shipping
Samsung PM871 msata 512gb ssd solid state drive MZ-MLN512D MZMLN512HCHP
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  •  
  • $199.99 
  • Free Shipping
Seagate Momentus 5400.5 ST980310AS 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.5 ST980310AS 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Length (maximum): 100MM
  • Model #: ST980310AS
  •  
  • $110.19 
  • Free Shipping
HP 652572-B21 450GB 10000 RPM SAS 6Gb/s 2.5" SFF SC Enterprise Hard Drive
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HP
HP 652572-B21 450GB 10000 RPM SAS 6Gb/s 2.5" SFF SC Enterprise Hard Drive
  • Height (maximum): 15.6 mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.7 mm
  • Parts: 3 Year
  • Model #: 652572-B21
Hitachi GST Travelstar Z7K500 HTS725032A7E630 (0J26003) 320GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar Z7K500 HTS725032A7E630 (0J26003) 320GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100mm
  • Model #: 0J26003
  •  
  • $40.00 
  • Free Shipping
Seagate Momentus 7200.3 ST9160411AS 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.3 ST9160411AS 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Height (maximum): 9.5mm
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9160411AS
  •  
  • $60.00 
  • Free Shipping
HGST 0A78743 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST 0A78743 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100mm
  • Parts: 3 years limited
  • Model #: 0A78743
  •  
  • $45.00 
  • Free Shipping
HGST Travelstar Z5K320 HTS543232A7A384 (Part#: 0A78603) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST Travelstar Z5K320 HTS543232A7A384 (Part#: 0A78603) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 13ms
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Model #: 0A78603
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  • $30.00 
  • Free Shipping
SAMSUNG Spinpoint M Series HM160HI 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint M Series HM160HI 160GB 5400 RPM 8MB Cache SATA 1.5Gb/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 #: HM160HI
  • $34.95
  •  
  • $33.19 
  • Save: 5%
  • 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
Seagate Momentus 7200.2 ST9160823ASG 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate
Seagate Momentus 7200.2 ST9160823ASG 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Latency: 4.17ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Model #: ST9160823ASG
  •  
  • $114.19 
  • Free Shipping
Seagate Momentus 7200.2 ST9100821AS 100GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.2 ST9100821AS 100GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST9100821AS
  •  
  • $130.19 
  • Free Shipping
Hitachi GST Travelstar 5K500.B HTS545016B9A300 (0A57911) 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K500.B HTS545016B9A300 (0A57911) 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS545016B9A300
  •  
  • $55.00 
  • Free Shipping
Hitachi GST Travelstar 7K320 HTS723232L9A360 (0A57547) 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K320 HTS723232L9A360 (0A57547) 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.2ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS723232L9A360
  •  
  • $60.19 
  • Free Shipping
Hitachi GST Travelstar 7K200 HTS722016K9SA00 (0A50939) 160GB 7200 RPM 16MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K200 HTS722016K9SA00 (0A50939) 160GB 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 #: HTS722016K9SA00
  •  
  • $48.19 
  • 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