• In Stock
  • Sold by Newegg
  • New
Brands
Show More
Price
Show More
Capacity
Interface
Show More
RPM
Form Factor
Height (maximum)
Show More
Sold by
All Top Brands
Availability
Condition
Useful Links
Customer Ratings
  • Featured Brands

    See Deals from Western DigitalSee Deals from SeagateSee Deals from SAMSUNG

SHOP BY Capacity

Sort By:
View:
WL 500GB 64MB Cache 5400RPM SATA III (6.0Gb/s) 7mm 2.5" Slim Mobile Hard Drive (PS3 & NoteBook)- w/ 1 Year Warranty
Quick View
WL 500GB 64MB Cache 5400RPM SATA III (6.0Gb/s) 7mm 2.5" Slim Mobile Hard Drive (PS3 & NoteBook)- w/ 1 Year Warranty
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: WL500GLSA6454S
  •  
  • $24.99 
  • Free Shipping
Seagate Momentus 5400.6 ST9500325AS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
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
HP Toshiba MQ01ACF050 2.5" SATA 500GB S/N 64N6C6WJT P/N: 724967-001
Quick View
  •  
  • $25.99 
  • Free Shipping
HPE 492620-B21 300 GB Hard Drive - 2.5" Internal - SAS (3Gb/s SAS)
Quick View
  •  
  • $26.00 
  • Free Shipping
TOSHIBA MK7559GSXP 750GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
HP 507125-B21 2.5-inch 146 GB Hard Drive - SAS 600 Serial Attached SCSI - 10000 RPM - 600 MBps
Quick View
HP
Refurbished HP 507125-B21 2.5-inch 146 GB Hard Drive - SAS 600 Serial Attached SCSI - 10000 RPM - 600 MBps
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 507125-B21
DELL 6Dfd8  System
Quick View
HPE-IMSourcing 146 GB 2.5" Internal Hard Drive - SAS
Quick View
  •  
  • $27.94 
  • Free Shipping
HP Enterprise 507125-B21 146GB 10000 RPM SAS 6Gb/s 2.5" SFF Internal Hard Drive
Quick View
Seagate Savvio 10K.5 ST9900805SS 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
Quick View
Seagate
Refurbished Seagate Savvio 10K.5 ST9900805SS 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 3ms
  • Height (maximum): 15mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.45mm
  • Model #: ST9900805SS
HITACHI 250GB 7200RPM 2.5" LAPTOP HARD DRIVE BARE DRIVE  HTS725025A9A364
Quick View
  • $85.14
  •  
  • $28.99 
  • Save: 65%
  • Free Shipping
Seagate Momentus 5400.6 ST9500325AS 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
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
WL 120GB 8MB Cache 5400RPM SATA Notebook 2.5" Hard Drive w/1-Year Warranty
Quick View
Refurbished WL 120GB 8MB Cache 5400RPM SATA Notebook 2.5" Hard Drive w/1-Year Warranty
  • Height (maximum): 9mm
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: WL120GLSA854-FR
  •  
  • $28.99 
  • Free Shipping
Seagate Momentus Thin ST320LT007 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
Refurbished Seagate Momentus Thin ST320LT007 320GB 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 #: ST320LT007
  •  
  • $29.00 
IBM 146 GB 2.5" Internal Hard Drive
Quick View
  •  
  • $29.00 
  • Free Shipping
IBM 03X3709 Lenovo GC-MUVL1 REV: 1.1 TPM ThinkServer RD330 RD430 RD630 TS430
Quick View
  •  
  • $29.00 
  • Free Shipping
Hitachi GST Travelstar Z7K320 HTS723232A7A364 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
Refurbished Hitachi GST Travelstar Z7K320 HTS723232A7A364 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100mm
  • Parts: 1 yr
  • Model #: HTS723232A7A364
  •  
  • $29.00 
  • Free Shipping
Seagate Savvio 10K.3 ST9300603SS 300GB 10000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
Quick View
Dell 745GC - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
Quick View
DELL
Dell 745GC - 300GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 745GC
Hitachi Travelstar Z7K320 HTS723232A7A364 320 GB 2.5' Internal Hard Drive - 20 Pack
Quick View
  •  
  • $29.95 
  • Free Shipping
Dell P252M 300GB 10000 RPM SAS 6Gb/s 2.5" Internal Notebook Hard Drive
Quick View
  •  
  • $29.95 
  • Free Shipping
HGST HUC106060CSS600 Ultrastar C10K600 HUC106060CSS600 600 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
Quick View
Seagate Samsung Spinpoint M8 ST500LM012 (HN-M500MBB/EX2) 500GB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
Seagate Samsung Spinpoint M8 ST500LM012 (HN-M500MBB/EX2) 500GB 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 #: ST500LM012
Seagate ST500LM000 500GB 5400 RPM 64MB Cache SATA 6.0Gb/s 2.5" Laptop Thin SSHD Bare Drive
Quick View
Seagate ST500LM000 500GB 5400 RPM 64MB Cache SATA 6.0Gb/s 2.5" Laptop Thin SSHD Bare Drive
  • Flash Memory Capacity: 8GB
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LM000
TOSHIBA MK5061GSYN 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
TOSHIBA MK5061GSYN 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Flash Memory Capacity: N/A
  • Average Seek Time: 12ms
  • Average Latency: 4.16ms
  • Usage: For Power Computing
  • Model #: MK5061GSYN
SAMSUNG Spinpoint M8 ST640LM001/HN-M640MBB 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Hard Drive Bare Drive
Quick View
SAMSUNG Spinpoint M8 ST640LM001/HN-M640MBB 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 5.6ms
  • Height (maximum): 9.5 +/- 0.2mm
  • Width (maximum): 69.75 +/- 0.25mm
  • Model #: ST640LM001
  •  
  • $114.19 
  • 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