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HP 507284-001 300GB 10000 RPM SAS 6Gb/s 2.5" Dual Port Enterprise Internal Hard Drive
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HP
Refurbished HP 507284-001 300GB 10000 RPM SAS 6Gb/s 2.5" Dual Port Enterprise Internal Hard Drive
  • Height (maximum): 15mm
  • Width (maximum): 78.74mm
  • Length (maximum): 138.43mm
  • Options: PC HDD
  • Model #: 507284-001
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
Dell C975M 300GB 10k SAS 2.5 " Drive
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  • $35.00 
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Western Digital Scorpio Blue WD800BEVE 80GB 5400 RPM 8MB Cache PATA 2.5" Notebook Hard Drive Bare Drive
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Used - Like New Western Digital Scorpio Blue WD800BEVE 80GB 5400 RPM 8MB Cache PATA 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.5ms
  • NAND Flash Memory Type: IDE 44PIN
  • Height (maximum): 9.5mm
  • Model #: WD800BEVE
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  • $35.00 
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WD Blue 250GB Mobile Hard Disk Drive - 5400 RPM SATA 3 Gb/s 2.5 Inch - WD2500LPVT
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Used - Like New WD Blue 250GB Mobile Hard Disk Drive - 5400 RPM SATA 3 Gb/s 2.5 Inch - WD2500LPVT
  • Height (maximum): 6.8mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.2mm
  • Model #: WD2500LPVT
  • $115.16
  •  
  • $35.00 
  • Save: 69%
  • Free Shipping
Seagate Momentus 5400.2 ST9120821AS 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate Momentus 5400.2 ST9120821AS 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 12.5ms
  • Average Write Time: 14.5ms
  • Average Latency: 5.6ms
  • Parts: 5 years limited
  • Model #: ST9120821AS
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  • $35.10 
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Hitachi HTS547575A9E384 (0J11563) 750GB, 5400RPM, 2.5" Internal Hard Drive - New Bare Drive
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Seagate ST91000640SS-RF 1TB 7200 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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Refurbished Seagate ST91000640SS-RF 1TB 7200 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 9.5ms
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Model #: ST91000640SS-RF
DELL YG5CF HITACHI TRAVELSTAR Z5K500 500GB SATA 2.5" OEM HDD HTS545050A7E380
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  • $36.00 
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Hitachi GST Travelstar 5K250 HTS542512K9SA00 (0A52126) 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
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Hitachi GST Travelstar 5K250 HTS542512K9SA00 (0A52126) 120GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Model #: HTS542512K9SA00
  •  
  • $36.19 
  • Free Shipping
HP 652749-B21-R 1TB 7200 RPM SAS 6Gb/s 2.5" SFF SC Midline Hard Drive
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HP
Refurbished HP 652749-B21-R 1TB 7200 RPM SAS 6Gb/s 2.5" SFF SC Midline Hard Drive
  • NAND Flash Memory Type: others
  • Height (maximum): 15.6 mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.7 mm
  • Model #: 652749-B21-R
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 652583-B21 600GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" SFF SC Enterprise Hard Drive
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HP
HP 652583-B21 600GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" SFF SC Enterprise Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 15.6 mm
  • Width (maximum): 75.7 mm
  • Length (maximum): 118.7 mm
  • Model #: 652583-B21
HPE-IMSourcing 600 GB 2.5" Internal Hard Drive - SAS
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  • $37.21 
  • Free Shipping
Western Digital Scorpio Black WD7500BPKT 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $37.49 
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250GB 5400rpm/16MB SATA
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Seagate
Refurbished 250GB 5400rpm/16MB SATA
  • NAND Flash Memory Type: MLC
  • Model #: ST250LT012
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  • $37.50 
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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
DELL J084N  146Gb 15000Rpm Sas3Gbits 2.5Inch Form Factor 16Mb Buffer Hard Disk Drive With Tray For Poweredge Server
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  • $38.00 
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Dell C975M - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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DELL
Dell C975M - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: C975M
DELL 740Y7 300Gb 10000Rpm Sas6Gbits 16Mb Buffer 2.5Inch Hard Disk Drive With Trayfor Powervault Server
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DELL
DELL 740Y7 300Gb 10000Rpm Sas6Gbits 16Mb Buffer 2.5Inch Hard Disk Drive With Trayfor Powervault Server
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 740Y7
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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in 30 days
Seagate Savvio 15K.3 ST9146853SS 146GB 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 #: ST9146853SS
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
HP 634862-001 320GB 7200 RPM SATA 2.5" Internal Notebook Hard Drive
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  • $27.99 
  • $11.00 Shipping
Seagate Savvio 10K.7 ST1200MM0007 1.2TB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Enterprise Internal Hard Drive
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Seagate
Seagate Savvio 10K.7 ST1200MM0007 1.2TB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Enterprise Internal Hard Drive
  • Flash Memory Capacity: N/A
  • Average Latency: 2.9ms
  • Features: Enterprise Performance 10K HDD - The Perfect Performance Upgrade Transition from slower 2.5", 10K-RPM or lower-capacity 3.5", 15K-RPM hard drives to smaller, faster, best-in-class Savvio 10K.6 enterprise hard drives. PowerChoice technology for T10-compliant power management enables IT organizations to tailor systems for performance and power consumption. First mission-critical HDD to offer the Seagate
  • Usage: For Enterprise Storage
  • Model #: ST1200MM0007
Seagate Laptop Thin ST500LM021 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Hard Drive
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Seagate Laptop Thin ST500LM021 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Hard Drive
  • Average Seek Time: 11ms
  • Height (maximum): 7mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.55mm
  • Model #: ST500LM021
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
Seagate Momentus Thin ST320LT020 320GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Seagate Momentus Thin ST320LT020 320GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST320LT020
HGST Travelstar Z5K320 HTS543216A7A384 (0A78601) 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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HGST Travelstar Z5K320 HTS543216A7A384 (0A78601) 160GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 13ms
  • Average Latency: 5.5ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: 0A78601
HGST Travelstar Z7K500 HTS725025A7E630 250 GB 2.5" Internal Hard Drive, SATA III - 7200 rpm - 32 MB
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HGST Travelstar Z7K500 HTS725025A7E630 250 GB 2.5" Internal Hard Drive, SATA III - 7200 rpm - 32 MB
  • Height (maximum): 7mm
  • Width (maximum): 69MM
  • Length (maximum): 100MM
  • Parts: 30 DAYS NOW
  • Model #: TI62W-00-B00J4-1
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  • $39.85 
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Western Digital Scorpio Blue WD5000LPVT 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished Western Digital Scorpio Blue WD5000LPVT 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 6.8mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.2mm
  • Parts: 1 Year Warranty from Reseller
  • Model #: WD5000LPVT-FR
  •  
  • $39.95 
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Seagate Savvio 10K.5 ST9600205SS 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate
Refurbished Seagate Savvio 10K.5 ST9600205SS 600GB 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): 70.1mm
  • Model #: ST9600205SS
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  • $39.95 
  • Free 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
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