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Seagate Constellation.2 ST9500620NS 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise-class Internal Hard Drive Bare Drive
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Seagate Constellation.2 ST9500620NS 500GB 7200 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise-class Internal Hard Drive Bare Drive
  • Brand: Seagate
  • Series: Constellation.2
  • Model: ST9500620NS
  • Capacity: 500GB
  • Model #: ST9500620NS
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Hitachi GST Travelstar Z7K320 HTS723225A7A364 (0A78742) 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar Z7K320 HTS723225A7A364 (0A78742) 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 13ms
  • Average Latency: 4.2ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: 0A78742
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  • $40.00 
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Seagate FireCuda Gaming SSHD 500GB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST500LX025
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Seagate FireCuda Gaming SSHD 500GB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST500LX025
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LX025
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Toshiba N300 10TB SATA III 3.5" Internal NAS Hard Drive #HDWG71AXZSTA
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Seagate Momentus ST9750420AS 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus ST9750420AS 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Brand: Seagate
  • Series: Momentus
  • Model: ST9750420AS
  • Capacity: 750GB
  • Model #: ST9750420AS
HP 718162-B21 1.2TB 10000 RPM SAS 6Gb/s 2.5" Hot Plug SmartDrive SFF Enterprise Drives
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HP
HP 718162-B21 1.2TB 10000 RPM SAS 6Gb/s 2.5" Hot Plug SmartDrive SFF Enterprise Drives
  • Height (maximum): 15.6mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.7 mm
  • Model #: 718162-B21
Seagate Momentus 7200.1 ST980825A 80GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.1 ST980825A 80GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 10.5ms
  • Average Write Time: 12.5ms
  • Average Latency: 4.2ms
  • Parts: 5 years limited
  • Model #: ST980825A
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  • $100.00 
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Seagate Savvio 15K.3 ST9146853SS 146GB 15000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 15K.3 ST9146853SS 146GB 15000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Brand: Seagate
  • Series: Savvio 15K.3
  • Model: ST9146853SS
  • Capacity: 146GB
  • Model #: ST9146853SS
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TOSHIBA MK5061GSY 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK5061GSY 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.16ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Model #: MK5061GSY
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  • $50.00 
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TOSHIBA MK6026GAX 60GB 5400 RPM 16MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK6026GAX 60GB 5400 RPM 16MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MK6026GAX
Western Digital WD VelociRaptor WD1000CHTZ 1TB 10000 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise Hard Drive Bare Drive
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Western Digital WD VelociRaptor WD1000CHTZ 1TB 10000 RPM 64MB Cache SATA 6.0Gb/s 2.5" Enterprise Hard Drive Bare Drive
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.45mm
  • Model #: WD1000CHTZ
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Seagate Momentus Thin ST250LT003 250GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate Momentus Thin ST250LT003 250GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Latency: 5.6ms
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST250LT003
  • $70.00
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  • $53.10 
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Hitachi GST Travelstar 7K320 HTS723232L9A360 (0A57547) 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K320 HTS723232L9A360 (0A57547) 320GB 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 #: HTS723232L9A360
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  • $60.19 
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Lenovo ThinkPad 0B47322 500 GB 7200 RPM SATA3 Internal Hard Drive
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Lenovo
Lenovo ThinkPad 0B47322 500 GB 7200 RPM SATA3 Internal Hard Drive
  • Height (maximum): 7mm
  • Parts: 1 Year
  • Labor: 1 Year
  • Model #: Newegg_Delete
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  • $87.99 
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WL 500GB 32MB Cache 5400RPM SATA III (6.0Gb/s) 7mm 2.5" Notebook Hard Drive - 1 Year Warranty
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WL 500GB 32MB Cache 5400RPM SATA III (6.0Gb/s) 7mm 2.5" Notebook Hard Drive - 1 Year Warranty
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100.6mm
  • Parts: 1 Year Warranty from Reseller
  • Model #: WL500GLSA3254S
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  • $29.99 
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Seagate Savvio 10K.4 ST9450404SS 450GB 10000 RPM SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate
Seagate Savvio 10K.4 ST9450404SS 450GB 10000 RPM SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Seek Time: 4.08ms
  • Average Write Time: 4.65ms
  • Average Latency: 3ms
  • Parts: 3 years limited
  • Model #: ST9450404SS
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Western Digital Scorpio Blue WD800BEVT 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Used - Like New Western Digital Scorpio Blue WD800BEVT 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 4
  • Length (maximum): 3
  • Model #: WD800BEVT
  • $27.99
  •  
  • $22.10 
  • Save: 21%
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Toshiba N300 20TB SATA III 3.5" Internal NAS Hard Drive #HDWG82AXZSTA
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  •  
  • $598.99 
TOSHIBA MK3259GSXP 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK3259GSXP 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100mm
  • Model #: MK3259GSXP
Seagate 500GB Ultra Mobile Solid State Hybrid Hard Disk Drive - 5400 RPM SATA 6.0Gb/s 2.5" Model# ST500LX012
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Seagate
Seagate 500GB Ultra Mobile Solid State Hybrid Hard Disk Drive - 5400 RPM SATA 6.0Gb/s 2.5" Model# ST500LX012
  • Brand: Seagate
  • Model: ST500LX012
  • Capacity: 500GB
  • RPM: 5400 RPM
  • Model #: ST500LX012
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Western Digital Scorpio Blue WD10JPVT 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Used - Like New Western Digital Scorpio Blue WD10JPVT 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.2mm
  • Model #: WD10JPVT
  • $93.66
  •  
  • $75.00 
  • Save: 19%
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WD Black 1TB Mobile Hard Disk Drive - 7200 RPM SATA 6Gb/s 32MB Cache 2.5 Inch - WD10JPLX
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WD Black 1TB Mobile Hard Disk Drive - 7200 RPM SATA 6Gb/s 32MB Cache 2.5 Inch - WD10JPLX
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Option: N/A
  • Model #: WD10JPLX
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HP 518216-002 146GB 2.5" 15K RPM SAS HDD Seagate 0B24372 EH0146FARWD
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  • $55.00 
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Dell NP659 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
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DELL
Dell NP659 146 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
  • NAND Flash Memory Type: Hard Drive
  • Model #: NP659
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Seagate ST1200MM0007 Savvio 10K.7 ST1200MM0007 1.20 TB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $51.10 
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SAMSUNG Spinpoint M7E HM641JI 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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SAMSUNG Spinpoint M7E HM641JI 640GB 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: 2 years limited
  • Model #: HM641JI
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  • $47.10 
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Seagate Samsung Spinpoint M8 ST1000LM024 (HN-M101MBB/EX2) 1TB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Samsung Spinpoint M8 ST1000LM024 (HN-M101MBB/EX2) 1TB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Brand: Seagate Samsung
  • Series: Spinpoint M8
  • Model: ST1000LM024 (HN-M101MBB/EX2)
  • Capacity: 1TB
  • Model #: ST1000LM024
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Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0363
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Seagate
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0363
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST1000NX0363
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WD BLACK SERIES WD3200BEKX 320GB 7200 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $60.00 
  • Free Shipping
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Seagate Momentus 5400.6 ST9500325AS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.6 ST9500325AS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Brand: Seagate
  • Series: Momentus 5400.6
  • Model: ST9500325AS
  • Capacity: 500GB
  • Model #: ST9500325AS
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Dell PGHJG - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell PGHJG - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: PGHJG
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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
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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 
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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