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Seagate Exos 7E2000 2TB 512e SAS 12Gb/s 7200 RPM SED Enterprise HDD (ST2000NX0343)
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Seagate
Seagate Exos 7E2000 2TB 512e SAS 12Gb/s 7200 RPM SED Enterprise HDD (ST2000NX0343)
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST2000NX0343
HP Proliant 146GB 10K 2.5" SAS Server Hard Drive DG146BB976 430165-003
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  • $182.25 
  • Free Shipping
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
Seagate ST4000LM016 4TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate ST4000LM016 4TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 12ms
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST4000LM016
IBM 49Y6173 - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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  • $185.00 
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Dell 342-4173 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 342-4173 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-4173
  •  
  • $187.00 
  • Free Shipping
HPE-IMSourcing 500 GB 2.5" Internal Hard Drive - SAS
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  • $187.00 
  • Free Shipping
Dell 400-ATKB 2TB 7200 RPM SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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  • $190.00 
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Western Digital Scorpio Blue WD3200BEVE 320GB 5400 RPM PATA 2.5" Internal Notebook Hard Drive Bare Drive
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Western Digital Scorpio Blue WD3200BEVE 320GB 5400 RPM PATA 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 30 DAY WARRANTY NOW
  • Average Write Time: 30 DAY WARRANTY NOW
  • Average Latency: 30 DAY WARRANTY NOW
  • NAND Flash Memory Type: 30 DAY WARRANTY NOW
  • Model #: WD3200BEVE
  •  
  • $190.00 
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HGST Ultrastar 0B25095 450GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Enterprise Hard Disk Drive Bare Drive
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HGST Ultrastar 0B25095 450GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Enterprise Hard Disk Drive Bare Drive
  • Average Seek Time: 3.7ms
  • Average Latency: 3ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: 0B25095
TOSHIBA MK1237GSX (HDD2D62) 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK1237GSX (HDD2D62) 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Height (maximum): 9.5mm
  • Parts: 3 years limited
  • Model #: MK1237GSX
1TB 7.2K 6GBPS NL SAS 2.5IN G3HS HD
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  • $224.35
  •  
  • $198.00 
  • Save: 11%
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Lenovo 00MJ149 1.2 TB HDD
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  • $199.00 
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Lenovo 600 GB 2.5" Internal Hard Drive
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  • $200.00 
  • Free Shipping
SEAGATE St91608220As Momentus 160Gb 5400 Rpm Serial Ata150 8Mb Buffer 2.5 Inch Form Factor Notebook Drives
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Seagate
SEAGATE St91608220As Momentus 160Gb 5400 Rpm Serial Ata150 8Mb Buffer 2.5 Inch Form Factor Notebook Drives
  • Average Seek Time: 12.5ms
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST91608220AS
  •  
  • $200.19 
  • Free Shipping
HPE - SERVER OPTIONS 765466-B21 2TB SAS 7200 RPM 2.5IN 12G 512E
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HP 600 GB 2.5" Internal Hard Drive
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  • $205.10 
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IBM 90Y8913 300GB 10000 RPM SAS 6Gb/s 2.5" Internal Hard Drive
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IBM 90Y8913 300GB 10000 RPM SAS 6Gb/s 2.5" Internal Hard Drive
  • Height (maximum): 15mm
  • Parts: 1 Year
  • Model #: 90Y8913
  •  
  • $199.99 
  • $5.99 Shipping
HP 867254-001 - HP 300GB 2.5" SAS 15K 12Gb/s Hard Drive
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HP
HP 867254-001 - HP 300GB 2.5" SAS 15K 12Gb/s Hard Drive
  • Average Latency: 12Gb/s
  • Model #: 867254-001
  •  
  • $199.99 
  • $5.99 Shipping
IBM 44W2264 44W2265 44W2268 300GB 10K 6GBPS 2.5 SAS HS SED HARD DRIVE
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  • $199.99 
  • $5.99 Shipping
Seagate Savvio 15K.3 ST9146753SS 146GB 15000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive with Secure Encryption Bare Drive
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Seagate
Seagate Savvio 15K.3 ST9146753SS 146GB 15000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive with Secure Encryption Bare Drive
  • Average Latency: 2ms
  • Height (maximum): 15mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.45mm
  • Model #: ST9146753SS
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  • $199.00 
  • $15.00 Shipping
Lenovo 00WG660 300 GB HDD
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HP 600 GB 2.5" Internal Hard Drive
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HP
HP 600 GB 2.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Model #: 785103-B21
Lenovo 1.20 TB 2.5" Internal Hard Drive
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Dell 342-5755 - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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  • $219.19 
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Dell 342-0428 500GB 7200 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Hard Drive
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DELL
Dell 342-0428 500GB 7200 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Hard Drive
  • Average Seek Time: 8.5ms
  • Average Write Time: 9.5ms
  • Model #: 342-0428
Dell 1.8TB 12GB 10K 2.5" SAS SFF 0VTHDD VTHDD PowerEdge HDD Hard Drive
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  • $220.00 
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SAMSUNG Spinpoint M6 HM500LI 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint M6 HM500LI 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HM500LI
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  • $220.19 
  • Free Shipping
IBM 81Y3857 500Gb 7200Rpm Near Line Sata 6Gbps 2.5Inch Sff Hotswap Hard Disk Drive With Tray For X Series
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IBM 81Y3857 500Gb 7200Rpm Near Line Sata 6Gbps 2.5Inch Sff Hotswap Hard Disk Drive With Tray For X Series
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 81Y3857
  •  
  • $222.56 
  • 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