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WL 160GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Notebook Hard Drive w/1-Year Warranty
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Refurbished WL 160GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Notebook Hard Drive w/1-Year Warranty
  • Height (maximum): 9mm
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: WD1600GLSA854-FR
  •  
  • $21.99 
  • Free Shipping
HGST Ultrastar C10K1200 HUC101212CSS600 (0B25168) 1.2TB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" SFF Enterprise Hard Drive
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HGST Ultrastar C10K1200 HUC101212CSS600 (0B25168) 1.2TB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" SFF Enterprise Hard Drive
  • Average Seek Time: 4.6ms
  • Average Write Time: 5.0ms
  • Average Latency: <3.0ms
  • Height (maximum): 14.8mm
  • Model #: HUC101212CSS600
Seagate Savvio 15K.2 ST9146852SS 146GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 15K.2 ST9146852SS 146GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 2ms
  • Parts: 5 Years Warranty
  • Labor: 5 Years Warranty
  • Model #: ST9146852SS
Seagate ST300MP0005 2.5" 300GB SAS 12Gb/s 15K RPM 128M ValkyrieBP (512N) Internal Enterprise Hard Drive
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Seagate Momentus 5400 ST9640320AS 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 5400 ST9640320AS 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Latency: 5.5ms
  • Parts: 2 years limited
  • Labor: 2 years limited
  • Model #: ST9640320AS
  •  
  • $65.00 
  • Free Shipping
Seagate Momentus 7200.4 ST9320423AS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.4 ST9320423AS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: ST9320423AS
  • $65.25
  •  
  • $45.00 
  • Save: 31%
  • Free Shipping
Seagate Momentus Thin ST250LT007 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus Thin ST250LT007 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST250LT007
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  • $45.00 
  • Free Shipping
Seagate Momentus 5400.6 ST9500325ASG 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 ST9500325ASG 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 2 years limited
  • Labor: 2 years limited
  • Model #: ST9500325ASG
Seagate ST9320320AS 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
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Seagate ST9320320AS 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST9320320AS
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
TOSHIBA MK3263GSX 320GB 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
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Refurbished Seagate Momentus 5400.6 ST9500325AS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: ST9500325AS
WD XE WD9001BKHG 900 GB 2.5" Internal Hard Drive
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Western Digital
WD XE WD9001BKHG 900 GB 2.5" Internal Hard Drive
  • Parts: 5 Year
  • Model #: WD9001BKHG-40PK
  •  
  • $64.95 
  • Free Shipping
Seagate Momentus 7200.4 ST9500420ASG 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive with G-Force Protection Bare Drive
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Seagate Momentus 7200.4 ST9500420ASG 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive with G-Force Protection Bare Drive
  • Average Seek Time: 11ms
  • Average Write Time: 13ms
  • Average Latency: 4.17ms
  • Parts: 2 years limited
  • Model #: ST9500420ASG
  •  
  • $60.10 
  • Free Shipping
Seagate Savvio 15K ST973451SS 73.40 GB 2.5' Internal Hard 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
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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
Seagate Momentus XT ST95005620AS 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s with NCQ 2.5" Solid State Hybrid Drive Bare Drive
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Seagate Momentus XT ST95005620AS 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s with NCQ 2.5" Solid State Hybrid Drive Bare Drive
  • Average Write Time: 13ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.30mm
  • Model #: ST95005620AS
  •  
  • $50.00 
  • Free Shipping
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 Savvio 10K.5 ST9600205SS 600GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 3ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST9600205SS
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
  •  
  • $100.00 
  • Free Shipping
Seagate Momentus Thin ST320LT009 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus Thin ST320LT009 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST320LT009
  •  
  • $85.19 
  • 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
  •  
  • $35.10 
  • Free Shipping
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
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Model #: ST1000LM024
Seagate Savvio 15K.2 ST973452SS 73GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 15K.2 ST973452SS 73GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Seek Time: 2.9ms
  • Average Write Time: 3.3ms
  • Average Latency: 2ms
  • Height (maximum): 14.80mm
  • Model #: ST973452SS
  • $53.00
  •  
  • $48.00 
  • Save: 9%
  • Free Shipping
Seagate Momentus 7200.4 ST9250410ASG 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive with G-Force Protection Bare Drive
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Seagate Momentus 7200.4 ST9250410ASG 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive with G-Force Protection Bare Drive
  • Average Latency: 4.17ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69MM
  • Length (maximum): 100MM
  • Model #: ST9250410ASG
  •  
  • $69.19 
  • Free Shipping
Seagate Savvio 10K.2 ST9146802SS 146GB 10000 RPM SAS 3Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate Savvio 10K.2 ST9146802SS 146GB 10000 RPM SAS 3Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Seek Time: 3.8ms
  • Average Write Time: 4.4ms
  • Average Latency: 3ms
  • Parts: 3 years limited
  • Model #: ST9146802SS
Dell 1TB 7200 RPM 64MB Cache Serial Attached SCSI (SAS) 2.5" Internal Notebook Hard Drive
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DELL
Dell 1TB 7200 RPM 64MB Cache Serial Attached SCSI (SAS) 2.5" Internal Notebook Hard Drive
  • Parts: 3 yrs wty from seller
  • Labor: 3 yrs wty from seller
  • Model #: 9W5WV
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
  •  
  • $53.10 
  • Save: 24%
  • Free Shipping
Seagate Momentus 7200.3 ST980411AS 80GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.3 ST980411AS 80GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 4.17ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST980411AS
  •  
  • $77.00 
  • Free Shipping
Toshiba MK5075GSX 500 GB 2.5" Internal Hard Drive
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Toshiba MK5075GSX 500 GB 2.5" Internal Hard Drive
  • Parts: 2 yrs
  • Labor: 2 yrs
  • Model #: HDD2L03
Seagate Constellation ST9160511NS 160GB 7200 RPM 32MB Cache SATA 3.0Gb/s 2.5" Internal Hard Drive Bare Drive
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TOSHIBA MQ01ABD100 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished TOSHIBA MQ01ABD100 1TB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.55ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Model #: MQ01ABD100
Seagate Momentus ST9500424AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate
Seagate Momentus ST9500424AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Brand: Seagate
  • Series: Momentus
  • Model: ST9500424AS
  • Capacity: 500GB
  • Model #: ST9500424AS

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
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