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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
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.45mm
  • Model #: ST9500620NS
HP 507127-B21 300GB 10000 RPM SAS 6Gb/s 2.5" SFF Enterprise Hard Drive
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TOSHIBA MK1652GSX(HDD2H03) 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK1652GSX(HDD2H03) 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Length (maximum): 101MM
  • Model #: MK1652GSX
Seagate Exos 7E2000 ST2000NX0403 2TB 512n SATA 6Gb/s 7200RPM 2.5-Inch Enterprise HDD (ST2000NX0403)
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Seagate
Seagate Exos 7E2000 ST2000NX0403 2TB 512n SATA 6Gb/s 7200RPM 2.5-Inch Enterprise HDD (ST2000NX0403)
  • NAND Flash Memory Type: MLC
  • Average Latency: 4.16ms
  • Features: Design Small and Deliver BIG - 2.5-Inch Nearline Drive - Up to 2TB capacity in 15mm z-height, 2.5-inch form factor for space-constrained data centers - Designed for high-density storage solutions requiring environmentally sound low power consumption and low weight for maximum storage efficiency - Choose 12Gb/s SAS for high data integrity, scalability and
  • Usage: For Enterprise Storage
  • Model #: ST2000NX0403
HP 619291-B21 900 GB 2.5' Internal Hard Drive
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HP
HP 619291-B21 900 GB 2.5' Internal Hard Drive
  • Parts: 3 Year
  • Model #: 619291-B21
Western Digital Scorpio Black WD3200BEKT 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  •  
  • $30.00 
  • Free Shipping
MaxDigital 500GB 5400RPM 16MB Cache SATA 6Gb/s 7mm 2.5in Notebook / Mobile Hard Drive
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MaxDigital 500GB 5400RPM 16MB Cache SATA 6Gb/s 7mm 2.5in Notebook / Mobile Hard Drive
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100.6mm
  • Parts: 2 Years Warranty from Reseller
  • Model #: MD500GLSA1654S
  •  
  • $21.99 
  • Free Shipping
IBM 81Y3812 - 300GB 2.5" SAS 15K 6Gb/s HS Hard Drive
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  • $87.24
  •  
  • $87.00 
  • Free Shipping
HGST TravelStar 5K1000 HTS541075A9E680 750 GB 2.5" SATA II Laptop Hard Drive
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HGST TravelStar 5K1000 HTS541075A9E680 750 GB 2.5" SATA II Laptop Hard Drive
  • Flash Memory Capacity: N/A
  • Height (maximum): 9.5mm
  • Model #: HTS541075A9E680
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 7K750 HTS727575A9E364 (0J12283) 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 7K750 HTS727575A9E364 (0J12283) 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 4.2ms
  • Height (maximum): 9.5mm
  • Width (maximum): 70mm
  • Length (maximum): 100mm
  • Model #: 0J12283
Seagate (DELL-OEM) Savvio 10K.5 ST9300605SS 300GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate
Refurbished Seagate (DELL-OEM) Savvio 10K.5 ST9300605SS 300GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Seek Time: Read: 3.4 ms Write: 3.8 ms
  • Average Latency: 3ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Model #: ST9300605SS
Seagate Savvio 10K.5 ST9900805SS 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 10K.5 ST9900805SS 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Average Latency: 3ms
  • Features: Important Warranty Information This product is end-of-sale and no longer warranted by the manufacturer. Instead, Newegg warranties this product for one year from date of purchase. If you require warranty service after thirty days, please contact Newegg Customer Service, not the manufacturer. Delivers the highest-capacity in a 2.5-inch, 10K-RPM hard drive (up
  • Usage: Ideal for Servers
  • Model #: ST9900805SS
HGST Travelstar Z5K500 HTS545032A7E380 (0J11283) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST Travelstar Z5K500 HTS545032A7E380 (0J11283) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.5ms
  • Height (maximum): 7mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: HTS545032A7E380
  •  
  • $99.95 
  • Free Shipping
Seagate Savvio 15K.3 ST9300653SS 300GB 15000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate
Seagate Savvio 15K.3 ST9300653SS 300GB 15000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 2ms
  • Height (maximum): 15mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.45mm
  • Model #: ST9300653SS
WD Scorpio Blue WD2500BPVT 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished WD Scorpio Blue WD2500BPVT 250GB 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): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: WD2500BPVT
Seagate Momentus XT ST500LX003 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Solid State Hybrid Drive Bare Drive
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Seagate Momentus XT ST500LX003 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Solid State Hybrid Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Height (maximum): 9.7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST500LX003
TOSHIBA MK3001GRRB 15000 RPM 32MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
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TOSHIBA MK3001GRRB 15000 RPM 32MB Cache SAS 6Gb/s 2.5" Enterprise Hard Drive
  • Brand: TOSHIBA
  • Model: MK3001GRRB
  • RPM: 15000 RPM
  • Form Factor: 2.5"
  • Model #: MK3001GRRB
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
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0333
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Seagate
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0333
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.46mm
  • Model #: ST1000NX0333
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
  •  
  • $23.99 
  • Free Shipping
MaxDigital 1TB 5400RPM 64MB Cache (7mm) SATA 6.0Gb/s 2.5" Mobile HDD / Notebook Hard Drive - 2 Year Warranty
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MaxDigital 1TB 5400RPM 64MB Cache (7mm) SATA 6.0Gb/s 2.5" Mobile HDD / Notebook Hard Drive - 2 Year Warranty
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100.6mm
  • Parts: 2 Years Warranty from Reseller
  • Model #: MD1000GLSA5464S
Western Digital WD VelociRaptor WD6000BLHX 600GB 10000 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Western Digital WD VelociRaptor WD6000BLHX 600GB 10000 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 3ms
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100mm
  • Model #: WD6000BLHX
  • $218.50
  •  
  • $167.00 
  • Save: 23%
  • Free Shipping
Western Digital Scorpio Blue WD7500BPVT 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" 750GB Capacity Internal Notebook Hard Drive
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Western Digital Scorpio Blue WD7500BPVT 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" 750GB Capacity Internal Notebook Hard Drive
  • Flash Memory Capacity: 750GB
  • Parts: 2 years limited
  • Labor: 2 years limited
  • Model #: WD7500BPVT
Seagate ST500LT032 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Ultrathin Internal Notebook Hard Drive Bare Drive
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Seagate ST500LT032 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Ultrathin Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: <13ms
  • Average Write Time: <15ms
  • Average Latency: 5.6ms
  • Height (maximum): 5mm
  • Model #: ST500LT032
WL 250GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Internal Laptop Hard Drive w/1-Year Warranty
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WL 250GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Internal Laptop Hard Drive w/1-Year Warranty
  • Height (maximum): 9mm
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: MD2250GSATA
  •  
  • $29.99 
  • Free Shipping
WD Blue 750GB Hard Disk Drive - 5400 RPM SATA 6Gb/s 2.5 Inch - WD7500BPVX
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WD Blue 750GB Hard Disk Drive - 5400 RPM SATA 6Gb/s 2.5 Inch - WD7500BPVX
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD7500BPVX
  • $87.43 - $102.76
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
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0323
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Seagate
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0323
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.46mm
  • Model #: ST1000NX0323
TOSHIBA MK2546GSX 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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TOSHIBA MK2546GSX 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK2546GSX
Seagate Savvio 10K.3 ST9300603SS 300GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 10K.3 ST9300603SS 300GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 3ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: ST9300603SS
Western Digital Scorpio Blue WD2500BPVT 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Western Digital Scorpio Blue WD2500BPVT 250GB 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): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: WD2500BPVT
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
  •  
  • $90.00 
  • Free Shipping
HGST Travelstar Z5K500 HTS545050A7E680 (0J38065) 500GB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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HGST Travelstar Z5K500 HTS545050A7E680 (0J38065) 500GB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 13ms
  • Average Latency: 5.5ms
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Model #: 0J38065

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