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TOSHIBA MK3261GSYN 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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TOSHIBA MK3261GSYN 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.16ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Model #: MK3261GSYN
TOSHIBA MKxx33GSG Series MK1633GSG 160GB 5400 RPM 16MB Cache SATA 3.0Gb/s 1.8" Internal Hard Drive
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  • $50.00 
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IBM 44W2265 - 300GB 2.5" SAS 10K 6Gb/s Slim-HS Secure Encrypted Drive
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  • $220.00 
  • $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
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  • $199.99 
  • $5.99 Shipping
Seagate IronWolf SATA III 3.5" Internal NAS Hard Drive, 5400 RPM #ST8000VN002
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  • $604.74 
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IBM 81Y9663 - 900GB 2.5" SAS 10K 6Gb/s HS Secure Encrypted Drive
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  • $268.50 
  • $12.99 Shipping
Hitachi Travelstar 5K500.B HTS545012B9A301 120 GB 2.5' Internal Hard Drive
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  • $119.99 
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IBM 900 GB 2.5" Internal Hard Drive - 1 Pack - Box
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  • $375.00 
  • $12.99 Shipping
HPE J9F50A 1 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $325.00 
  • $12.99 Shipping
HP 702504-001 - HP 450GB 2.5" SAS 10K 6Gb/s Hard Drive
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HP
HP 702504-001 - HP 450GB 2.5" SAS 10K 6Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: 702504-001
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  • $67.50 
  • $5.99 Shipping
HP 697388-001 - HP 450GB 2.5" SAS 10K 6Gb/s Hard Drive
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HP
HP 697388-001 - HP 450GB 2.5" SAS 10K 6Gb/s Hard Drive
  • Average Latency: 6Gb/s
  • Model #: 697388-001
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  • $55.00 
  • $5.99 Shipping
IBM 81Y9952 1 TB 2.5" Internal Hard Drive
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  • $425.00 
  • $12.99 Shipping
WD Elements Portable 1500 Storage Solutions
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  • $150.68 
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HPE MSA 5.4TB SAS 12G Enterprise 15K SFF (2.5in) M2 3yr Wty 6-pack HDD Bundle
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  • $2,150.00
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  • $2,058.00 
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HPE 870753-B21 300GB 2.5" SAS 15000rpm Internal Hard Drive
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  • $225.00 
  • $5.99 Shipping
IBM 81Y3805 - 900GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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IBM 81Y3805 - 900GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 81Y3805
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  • $269.99 
  • $12.99 Shipping
IBM 00NA231 - 600GB 2.5" SAS 15K 12Gb/s HS HDD
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IBM 00NA231 - 600GB 2.5" SAS 15K 12Gb/s HS HDD
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 00NA231
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  • $369.99 
  • $12.99 Shipping
IBM 00MJ143 600GB 15000 RPM SAS 12Gb/s 2.5" Internal Hard Drive
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IBM 00MJ143 600GB 15000 RPM SAS 12Gb/s 2.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Model #: 00MJ143
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  • $369.99 
  • $12.99 Shipping
Lenovo 1.80 TB 2.5" Internal Hard Drive
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  • $320.00 
  • $12.99 Shipping
Lenovo 600GB 10K SAS 2.5" G3HS
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  • $149.99 
  • $5.99 Shipping
HPE P00441-001 2.40 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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HPE P00441-001 2.40 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
  • NAND Flash Memory Type: Hard Drive
  • Model #: P00441-001
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  • $407.50 
  • $12.99 Shipping
Fujitsu MHV2080AH 80GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Fujitsu MHV2080AH 80GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Write Time: 14ms
  • Average Latency: 5.56ms
  • Parts: 1 year limited
  • Model #: MHV2080AH
Hitachi GST Travelstar 5K160 HTS541680J9AT00 (0A28417) 80GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K160 HTS541680J9AT00 (0A28417) 80GB 5400 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HTS541680J9AT00
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  • $99.95 
Hitachi GST 0Y30055 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST 0Y30055 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Parts: 3 years limited
  • Model #: 0Y30055
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  • $135.00 
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TOSHIBA Super Slimline MK6025GAS 60GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA Super Slimline MK6025GAS 60GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 7.14ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MK6025GAS
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  • $79.95 
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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
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  • $151.95 
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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 DLGA-23080 (46H6144) 3GB, 2.5" IDE Internal Hard Drive - New Bare Drive
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  • $109.95 
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 90Y8914 - 300GB 2.5" SAS 10K 6Gb/s HS HDD
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IBM 90Y8914 - 300GB 2.5" SAS 10K 6Gb/s HS HDD
  • Usage: Ideal for Servers
  • Model #: 90Y8914
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  • $285.00 
  • $12.99 Shipping
IBM DADA-25400 (03L5630) 5.4GB, 4200RPM, 2.5" Internal Hard Drive - New Bare Drive
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  • $169.95 
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 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 (00K0396), 2.1GB, 4200RPM, 2.5 IDE Internal Hard Drive - New Bare Drive
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  • $179.95 
  • Free Shipping
Lenovo 7XB7A00021 300GB HD 15K SAS 12GB 2.5 HSWAP 512N TS
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  • $289.99 
  • $12.99 Shipping
IBM DPTA-372050 P/N: 31L9056 (07N3311) Hard Drive - New Bare Drive
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  • $175.00 
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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

“ 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