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Hitachi GST Travelstar 7K500 HTS725050A9A364 (0A72335) 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K500 HTS725050A9A364 (0A72335) 500GB 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 #: 0A72335
IBM DJSA-232 (07N4138) 32GB, 5400 RPM, 2.5" IDE Internal Hard Drive - New Bare Drive
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  • $125.00 
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IBM DTLA-307045 (07N5640), 46.1GB, 7200 RPM, 3.5" IDE Internal Hard Drive - New Bare Drive
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  • $149.95 
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IBM DTLA-307030 (07N5639) 30GB, 7200RPM, 3.5" IDE Internal Hard Drive - New Bare Drive
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  • $155.00 
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IBM DADA-25400 (03L5630) 5.4GB, 4200RPM, 2.5" Internal Hard Drive - New Bare Drive
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  • $169.95 
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IBM DPTA-372050 P/N: 31L9056 (07N3311) Hard Drive - New Bare Drive
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  • $175.00 
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IBM (00K0396), 2.1GB, 4200RPM, 2.5 IDE Internal Hard Drive - New Bare Drive
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  • $179.95 
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HGST Travelstar Z5K500 HTE545050A7E380 500 GB 2.5" Internal Hard Drive
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  • $89.95 
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IBM DPTA-372730 (31L9058), 27GB, 7200RPM, 3.5" IDE Internal Hard Drive - New Bare Drive
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  • $179.95 
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HP 431958-B21 146GB 10000 RPM SAS 3Gb/s 2.5" Internal Notebook Hard Drive
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Lenovo 7XB7A00021 300GB HD 15K SAS 12GB 2.5 HSWAP 512N TS
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  • $289.99 
  • $12.99 Shipping
Quantum (MV270AT) 270 MB,3600 RPM,3.5" Internal Hard Drive - New Bare Drive
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  • $225.00 
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HPE-IMSourcing 1.20 TB 2.5" Internal Hard Drive - SAS
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HP
HPE-IMSourcing 1.20 TB 2.5" Internal Hard Drive - SAS
  • NAND Flash Memory Type: Hard Drive
  • Features: Hard Drive
  • Model #: 785415-001
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  • $399.99 
  • $12.99 Shipping
Lenovo 900 GB 2.5" Internal Hard Drive
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  • $450.00 
  • $12.99 Shipping
fujitsu 40gb umda/100 5400rpm 8mb 2.5-inch 9.5mm notebook hard drive
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  • $135.95 
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IBM DDRS-34560 (00K4000), 4.5GB, 3.5" 68-Pin SCSI Internal Hard Drive - New Bare Drive
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  • $299.95 
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Hitachi GST Travelstar 7K320 HTE723216L9A300 (0A59573) 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K320 HTE723216L9A300 (0A59573) 160GB 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 #: HTE723216L9A300
IBM 44W2264 44W2265 44W2268 300GB 10K 6GBPS 2.5 SAS HS SED HARD DRIVE
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  • $199.99 
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Lenovo 2 TB Hot Swap Hard Drive 00NA496 2TB HDD
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HP 637981-001 2Tb 7200Rpm Fata Hard Drive With Tray For Eva M6412A
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Refurbished HP 637981-001 2Tb 7200Rpm Fata Hard Drive With Tray For Eva M6412A
  • NAND Flash Memory Type: Hard Drive
  • Model #: 637981-001
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  • $425.00 
  • $12.99 Shipping
IBM DYLA-28100 (03L5658), 8GB, 2.5" IDE Internal Hard Drive
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  • $89.99 
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HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5" Internal Hard Drive
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  • $120.25 
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HPE J9F36A 6 TB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
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HP
Refurbished HPE J9F36A 6 TB Hard Drive - 3.5" Internal - SAS (6Gb/s SAS)
  • NAND Flash Memory Type: Hard Drive
  • Model #: J9F36A
Samsung (VG33402A) 3.4GB, 3.5" IDE Internal Hard Drive
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SAMSUNG
Samsung (VG33402A) 3.4GB, 3.5" IDE Internal Hard Drive
  • NAND Flash Memory Type: 1
  • Model #: VG33402A
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  • $119.95 
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Lenovo 7XB7A00023 900GB HD 15K SAS 12GB 2.5 HSWAP 512E TS
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  • $660.00 
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Lenovo 00AJ141 1 TB HDD
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Lenovo
Lenovo 00AJ141 1 TB HDD
  • Model #: 00AJ141
IBM DBCA-203240 (25L2712) 3.2GB, 4200RPM, 2.5" Internal Hard Drive - New Bare Drive
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  • $339.95 
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Lenovo 00NA441
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Lenovo
Lenovo 00NA441
  • Model #: 00NA441
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  • $475.00 
  • $12.99 Shipping
Dell WXPCX - 1.2TB 2.5" SAS 10K 12Gb/s HS Hard Drive
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IBM DCAS-32160 (73H7716) 2.16GB, 5400RPM, 3.5" Internal Hard Drive - New Bare Drive
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  • $389.95 
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HPE 300 GB Hard Drive 2.5" Internal SAS 12Gb/s SAS 870753H21
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  • $105.73 
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Lenovo 7XB7A00027 1.2TB HD 10K SAS 12GB 2.5 HSWAP 512N TS
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  • $325.00 
  • $12.99 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
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