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HP Proliant 146GB 10K 2.5" SAS Server Hard Drive DG146BB976 430165-003
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  • $182.25 
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HP 697574-B21 1.2Tb 10000Rpm Sas 6Gbits Dual Port 2.5Inch Hard Drive With Tray
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Refurbished HP 697574-B21 1.2Tb 10000Rpm Sas 6Gbits Dual Port 2.5Inch Hard Drive With Tray
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 697574-B21
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Axiom 1.20 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $1,259.77 
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IBM 81Y9738 500 GB 2.5' Internal Hard Drive
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  • $45.00 
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IBM 73.40 GB 2.5' Internal Hard Drive
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IBM 73.40 GB 2.5' Internal Hard Drive
  • Parts: 3 Year Limited
  • Model #: 26K5655
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  • $20.00 
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IBM 73 GB 2.5' Internal Hard Drive
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IBM 73 GB 2.5' Internal Hard Drive
  • Parts: 1 Year Limited
  • Model #: 43W7535
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  • $20.00 
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IBM 300 GB 2.5' Internal Hard Drive
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IBM 300 GB 2.5' Internal Hard Drive
  • Parts: 1 Year Limited
  • Model #: 43W7666
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  • $98.00 
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IBM 39R7389 73.40 GB 2.5' Internal Hard Drive
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  • $20.00 
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IBM 00AJ096 - 300GB 2.5" SAS 10K 6Gb/s HS HDD
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IBM 00AJ096 - 300GB 2.5" SAS 10K 6Gb/s HS HDD
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 00AJ096
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  • $49.00 
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Lenovo 00NA221 300 GB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $55.00 
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Lenovo ThinkServer Gen 5 2.5&quot, 1.2TB 10K Enterprise SAS 6Gbps Hot Swap Hard Drive
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  • $155.00 
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Lenovo ThinkServer 1 TB 2.5" Internal Hard Drive
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IBM 85Y5862 - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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  • $79.00 
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Lenovo 600 GB 2.5" Internal Hard Drive
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IBM 03X3710 Lenovo Heatsink And Fan Assembly ThinkServer TS430
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  • $55.00 
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IBM 49Y7433 - 300GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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  • $49.00 
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IBM 03X3709 Lenovo GC-MUVL1 REV: 1.1 TPM ThinkServer RD330 RD430 RD630 TS430
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  • $29.00 
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Lenovo 600 GB 2.5" Internal Hard Drive - SAS
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  • $175.00 
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Lenovo 900 GB 2.5" Internal Hard Drive - SAS
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  • $259.00 
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Lenovo
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Lenovo
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  • Model #: 00WC011
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  • $329.00 
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Lenovo-IMSourcing 500 GB 2.5" Internal Hard Drive - SATA
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Seagate Enterprise ST2000NX0253 2 TB 2.5" Internal Hard Drive
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  • $239.99 
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HP 600 GB 2.5" Internal Hard Drive
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HP 600 GB 2.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Model #: 785103-B21
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  • $215.00 
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Western Digital WD1600BEVT 160 GB 5400RPM SATA 8 MB 2.5-Inch Notebook Hard Drive
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  • $98.99 
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Dell Ts-L462 Dell 24X 10X 24X 8X Slimline Ide Internal Dvdrom Cdrw Combo Drive
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  • $39.00 
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HP 361316-010 22In Internal Sas Cable For Proliant Dl380 G5 Server
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HP
HP 361316-010 22In Internal Sas Cable For Proliant Dl380 G5 Server
  • NAND Flash Memory Type: MLC
  • Model #: 361316-010
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  • $20.00 
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HP 223773-001 Nc7131 Gigabit Ethernet Network Interface Internal Hot Pluggable Card
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  • $50.00 
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Western Digital 120GB WD1200BEVT-00A23T0 Factory recertified Laptop Hard Drive
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  • $44.99 
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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