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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 
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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
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  • $245.00 
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HP 697574-B21 1.2TB 10000 RPM SAS 6Gb/s 2.5" SFF SC Enterprise Drives
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HP
HP 697574-B21 1.2TB 10000 RPM SAS 6Gb/s 2.5" SFF SC Enterprise Drives
  • Height (maximum): 15mm
  • Width (maximum): 76 mm
  • Length (maximum): 119 mm
  • Model #: 697574-B21
  • $65.99
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  • $50.95 
  • Save: 22%
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Seagate Exos 7E2000 ST2000NX0403 2TB 512n SATA 6Gb/s 7200RPM 2.5-Inch Enterprise HDD (ST2000NX0403)
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Seagate
Seagate Exos 7E2000 ST2000NX0403 2TB 512n SATA 6Gb/s 7200RPM 2.5-Inch Enterprise HDD (ST2000NX0403)
  • NAND Flash Memory Type: MLC
  • Average Latency: 4.16ms
  • Features: Design Small and Deliver BIG - 2.5-Inch Nearline Drive - Up to 2TB capacity in 15mm z-height, 2.5-inch form factor for space-constrained data centers - Designed for high-density storage solutions requiring environmentally sound low power consumption and low weight for maximum storage efficiency - Choose 12Gb/s SAS for high data integrity, scalability and
  • Usage: For Enterprise Storage
  • Model #: ST2000NX0403
Hitachi 500 GB 2.5' Internal Hard Drive
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  • $79.00 
  • $15.00 Shipping
Western Digital XE WD3001BKHG 300GB 10000 RPM 32MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Western Digital XE WD3001BKHG 300GB 10000 RPM 32MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100mm
  • Model #: WD3001BKHG
Samsung PM871 msata 512gb ssd solid state drive MZ-MLN512D MZMLN512HCHP
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  • $199.99 
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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
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
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  • $69.00 
  • $15.00 Shipping
HP 507284-001 300 GB 2.5" Internal Hard Drive
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HP
HP 507284-001 300 GB 2.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: 507284-001
HP 619291-B21 900 GB 2.5' Internal Hard Drive
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HP
HP 619291-B21 900 GB 2.5' Internal Hard Drive
  • Parts: 3 Year
  • Model #: 619291-B21
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
  • $140.00
  •  
  • $84.00 
  • Save: 40%
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Hitachi GST Travelstar 7K100 HTS721060G9SA00 (0A25025) 60GB 7200 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K100 HTS721060G9SA00 (0A25025) 60GB 7200 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 10ms
  • Average Write Time: 11ms
  • Average Latency: 4.2ms
  • Parts: 1 year limited
  • Model #: HTS721060G9SA00
Hitachi GST TravelStar 40GN IC25N020ATCS04-0 (07N8325) 20GB 4200 RPM IDE Ultra ATA66 / ATA-5 2.5" Notebook Hard Drive Bare Drive
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  • $89.00 
  • $15.00 Shipping
Hitachi GST Travelstar 7K100 HTS721060G9AT00 (0A25022) 60GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K100 HTS721060G9AT00 (0A25022) 60GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 10ms
  • Average Write Time: 11ms
  • Average Latency: 4.2ms
  • Parts: 1 year limited
  • Model #: HTS721060G9AT00
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  • $70.00 
  • $15.00 Shipping
Hitachi 0A39115 HCS5C3225SLA380 5K320 250Gb 5400 Rpm SATA-3 8Mb 3.5-Inch Internal Hard Drive
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  • $49.00 
  • $15.00 Shipping
HGST Ultrastar C10K1800 HUC101812CSS200 (0B28807) 1.2TB 10520 RPM 128MB Cache SAS 12Gb/s 2.5" Enterprise Hard Drive Bare Drive
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HGST Ultrastar C10K1800 HUC101812CSS200 (0B28807) 1.2TB 10520 RPM 128MB Cache SAS 12Gb/s 2.5" Enterprise Hard Drive Bare Drive
  • Average Latency: 2.85ms
  • Flash Memory Capacity: N/A
  • Height (maximum): 15mm
  • Width (maximum): 70.1mm
  • Model #: 0B28807
TOSHIBA MK1401GRRB 147GB 15000 RPM 32MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
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TOSHIBA MK1401GRRB 147GB 15000 RPM 32MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 15mm
  • Width (maximum): 69.85 mm
  • Length (maximum): 100.45 mm
  • Model #: MK1401GRRB
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
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  • $105.00 
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Seagate Constellation ST9160511NS 160GB 7200 RPM 32MB Cache SATA 3.0Gb/s 2.5" Internal Hard Drive Bare Drive
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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
Hitachi GST Travelstar 5K250 HTS542525K9SA00 (0A53329) 250GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K250 HTS542525K9SA00 (0A53329) 250GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS542525K9SA00
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  • $45.95 
  • Free Shipping
Western Digital Scorpio Black WD3200BEKT-50PK 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - 50 Pack Bare Drive
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Western Digital
Western Digital Scorpio Black WD3200BEKT-50PK 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive - 50 Pack Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: WD3200BEKT-50PK
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  • $2,200.00 
  • Free 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
HGST Ultrastar C15K600 HUC156060CSS200 (0B28953) 600GB 15030 RPM 128MB Cache SAS 12Gb/s 2.5" Enterprise Hard Drive Bare Drive
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HGST Ultrastar C15K600 HUC156060CSS200 (0B28953) 600GB 15030 RPM 128MB Cache SAS 12Gb/s 2.5" Enterprise Hard Drive Bare Drive
  • Average Seek Time: 2.9ms
  • Average Write Time: 3.1ms
  • Average Latency: <2.0ms
  • Height (maximum): 14.8mm
  • Model #: 0B28953
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  • $69.95 
  • Free Shipping
Dell 745GC 300GB 64MB 6.0Gbps 10K 2.5" SAS Hard Drive in Poweredge R & T Series Tray
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  • $30.00 
  • Free Shipping
HGST Travelstar Z5K320 HTS543232A7A384 320 GB 2.5" Internal Hard Drive
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HGST Travelstar Z5K320 HTS543232A7A384 320 GB 2.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 7mm
  • Model #: HTS543232A7A384
  •  
  • $50.00 
  • Free Shipping
Dell 342-2242 15000 RPM SAS 6Gb/s 2.5" Internal Hard Drive
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  •  
  • $70.19 
  • Free Shipping
HGST HUC156060CSS200 2.5" 600GB SAS 12Gb/s 15K RPM 128M 512N 0B28953 Internal Enterprise Hard Drive
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HGST HUC156060CSS200 2.5" 600GB SAS 12Gb/s 15K RPM 128M 512N 0B28953 Internal Enterprise Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: HUC156060CSS200
Hitachi Travelstar 7K1000 1TB SATA 2.5" Hard Drive 7200RPM 32MB HTS721010A9E630
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  • $59.90
  •  
  • $58.00 
Dell Fujitsu 300GB 10K RPM 6Gbp/s SAS 2.5 Inch Hard Drive U706K MBD2300RC
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  • $66.00 
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Western Digital VelociRaptor WD1000CHTZ 1 TB 2.5" Internal Hard Drive - 40 Pack
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  • $2,000.00 
  • 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