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400-ALVW DELL ENTERPRISE CLASS 1.2TB 10K SAS 2.5" 12Gb/s HDD KIT
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  • $135.00 
Dell 342-5521 1.2TB 1200GB 2.5 SFF 10K 6Gbps SAS / Serial Attach
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  •  
  • $135.00 
400-AHEB DELL ENTERPRISE CLASS 1.2TB 10K SAS 2.5" 12Gb/s HDD KIT
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  •  
  • $135.00 
400-ALBJ DELL ENTERPRISE CLASS 1.2TB 10K SAS 2.5" 12Gb/s HDD KIT
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  •  
  • $135.00 
342-5524 Dell - 1.2TB 10K SAS 6GB/s 2.5" HD
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  •  
  • $135.00 
400-26664 DELL 1.2TB 10K SAS 6Gbs 2.5 HDD
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DELL
400-26664 DELL 1.2TB 10K SAS 6Gbs 2.5 HDD
  • Model #: 7de-428191000262159
  •  
  • $135.00 
fujitsu 40gb umda/100 5400rpm 8mb 2.5-inch 9.5mm notebook hard drive
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  • $135.95 
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Dell 10,000 RPM SAS Hard Drive 12Gbps 512e 2.5in Hot-plug Drive, 1.8TB
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DELL
Dell 10,000 RPM SAS Hard Drive 12Gbps 512e 2.5in Hot-plug Drive, 1.8TB
  • NAND Flash Memory Type: Hard Drive
  • Features: Offers - 1.8TB capacity to store large amount of data SAS interface delivers high data transfer speeds 10K RPM spindle speed ensures excellent performance
  • Model #: 400-ATJR
Lenovo ThinkServer 1 TB 2.5" Internal Hard Drive
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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
WD WD10JFCX Red WD10JFCX 1 TB Hard Drive - 2.5" Internal - SATA (SATA/600)
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Seagate Constellation.2 ST9500620SS 500GB 7200 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise-class Hard Drive Bare Drive
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Seagate Constellation.2 ST9500620SS 500GB 7200 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise-class Hard Drive Bare Drive
  • Average Latency: 4.16ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST9500620SS
Lenovo 300 GB 2.5" Internal Hard Drive
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  • $140.00 
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TOSHIBA HDD2D63 (MK6037GSX) 60GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA HDD2D63 (MK6037GSX) 60GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: HDD2D63
Thermaltake Versa H15 M-ATX Gaming Chassis
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  • $141.04 
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HP 652597-B21 73GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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  • $141.19 
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Dell 342-5364 - 300GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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DELL
Dell 342-5364 - 300GB 2.5" SAS 15K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-5364
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  • $142.00 
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Seagate Momentus Thin ST320LT014 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate Momentus Thin ST320LT014 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST320LT014
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  • $142.19 
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Dell 342-4623 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell 342-4623 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 342-4623
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  • $142.19 
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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
HGST Travelstar 5K1000 HTS541010A9E680 (0J22413) 1TB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST Travelstar 5K1000 HTS541010A9E680 (0J22413) 1TB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 70.00mm
  • Model #: 0J22413
Seagate EE25.2 Series ST940817AM 40GB 5400 RPM 8MB Cache PATA 2.5" Extreme Class Internal Hard Drive Bare Drive
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Seagate EE25.2 Series ST940817AM 40GB 5400 RPM 8MB Cache PATA 2.5" Extreme Class Internal Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST940817AM
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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Seagate Momentus Thin 5400.9 ST500LT015 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate Momentus Thin 5400.9 ST500LT015 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Brand: Seagate
  • Series: Momentus Thin 5400.9
  • Model: ST500LT015
  • Capacity: 500GB
  • Model #: ST500LT015
Seagate ST1181677LW BarraCuda ST1181677LW 181.60 GB Hard Drive - 3.5" Internal - SCSI (Ultra160 SCSI)
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  • $150.00 
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HP Enterprise 492620-B21 300GB 10000 RPM SAS 3Gb/s 2.5" SFF Internal Hard Drive
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  • $150.19 
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Seagate Momentus 4200.2 ST9100822A 100GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 4200.2 ST9100822A 100GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12.5ms
  • Average Latency: 5.6ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: ST9100822A
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  • $150.19 
  • Free Shipping
Seagate Momentus 4200.2 ST9808210A 80GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Seagate
Seagate Momentus 4200.2 ST9808210A 80GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12.5ms
  • Average Latency: 5.56ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: ST9808210A
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  • $153.19 
  • Free Shipping
TOSHIBA Super Slimline MK6021GAS (HDD2183) 60GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA Super Slimline MK6021GAS (HDD2183) 60GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 7.14ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Model #: MK6021GAS
TOSHIBA mk6034gsx 60GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA mk6034gsx 60GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69mm
  • Model #: mk6034gsx
TOSHIBA MKxx59GSM Series MK1059GSM 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Hard Drive Bare Drive
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TOSHIBA MKxx59GSM Series MK1059GSM 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Hard Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Average Seek Time: 12ms
  • Average Latency: 5.55 ms
  • Features: Up to 1TB of Storage Capacity 12.5-millimeter High Profile Serial ATA, Revision 2.6 Interface 8MB Cache Buffer
  • Model #: MK1059GSM
HP GEN8 1TB SAS 6Gb/s 7200rpm 2 5" Hard Drive
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HP
HP GEN8 1TB SAS 6Gb/s 7200rpm 2 5" Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Features: Serial Attached SCSI is the logical evolution of SCSI including its long-established software advantage and the Serial ATA electrical and physical connection interface. With enterprise storage requirements escalating and becoming more complex factors such as larger capacity greater density security scalability and accessibility are more critical than ever. Enterprise data
  • Usage: Ideal for Servers
  • Model #: 652749-S21

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