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

    See Deals from Western DigitalSee Deals from SeagateSee Deals from SAMSUNG

SHOP BY Capacity

Sort By:
View:
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 
  • Special Shipping
IBM 146 GB 2.5" Internal Hard Drive
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
HP 431930-001 36.4Gb 15000Rpm Single Port Serial ched Scsi Sas Hot Swap 2.5 Inch Hard Disk Drive With Tray
Quick View
  •  
  • $29.39 
  • Free Shipping
HGST 7K750-500 HTS727550A9E364  500GB 7200RPM 16MB Cache SATA 3.0Gb/s 2.5"
Quick View
  •  
  • $29.95 
  • Special Shipping
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
MaxDigitalData 500GB 32MB Cache 7200RPM SATA 6.0Gb/s (7mm) 2.5" Mobile Performance Hard Drive MD500GLSA3272S - 2 Year Warranty
Quick View
MaxDigitalData 500GB 32MB Cache 7200RPM SATA 6.0Gb/s (7mm) 2.5" Mobile Performance Hard Drive MD500GLSA3272S - 2 Year Warranty
  • Height (maximum): 7mm
  • Width (maximum): 70mm
  • Length (maximum): 100.6mm
  • Parts: 2 Years Warranty from Reseller
  • Model #: MD500GLSA3272S
  •  
  • $29.99 
  • Free Shipping
WL 250GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Internal Laptop Hard Drive w/1-Year Warranty
Quick View
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
HP 653955-001 300GB 10000 RPM SAS 6Gb/s 2.5" Internal Notebook Hard Drive
Quick View
  •  
  • $29.99 
  • Free Shipping
Seagate Savvio 15K.2 ST9146852SS 146GB 15000 RPM 16MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
Quick View
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
HGST Travelstar Z5K320 HTS543232A7A384 (Part#: 0A78603) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
HGST Travelstar Z5K320 HTS543232A7A384 (Part#: 0A78603) 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 13ms
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Model #: 0A78603
  •  
  • $30.00 
  • Free Shipping
HP Toshiba MQ01ACF050 2.5" SATA 500GB S/N 64N6C6WJT P/N: 724967-001
Quick View
  •  
  • $30.00 
  • Free Shipping
Dell 745GC 300GB 64MB 6.0Gbps 10K 2.5" SAS Hard Drive in Poweredge R & T Series Tray
Quick View
  •  
  • $30.00 
  • Free Shipping
Hitachi Travelstar Z7K320 HTS723232A7A364 (0A78743)
Quick View
  •  
  • $30.00 
  • Free Shipping
Western Digital Scorpio Black WD3200BEKT 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
  •  
  • $30.00 
  • Free Shipping
Samsung SpinPoint ST500LM012 500GB 5.4K SATA 2.5" Laptop Hard Drive
Quick View
  •  
  • $30.00 
  • Free Shipping
HITACHI Hts725050A7E630 Travelstar Z7K500 500Gb 7200Rpm Sata 6Gbps 32Mb Buffer 7Mm 2.5Inch Hard Drive
Quick View
Refurbished HITACHI Hts725050A7E630 Travelstar Z7K500 500Gb 7200Rpm Sata 6Gbps 32Mb Buffer 7Mm 2.5Inch Hard Drive
  • Height (maximum): 7mm
  • Width (maximum): 3in
  • Length (maximum): 4in
  • Parts: 30 days
  • Model #: HTS725050A7E630
  •  
  • $30.00 
  • Free Shipping
Dell 740Y7 300GB 10K 2.5" SAS Hard Drive
Quick View
  •  
  • $30.00 
  • Free Shipping
Hitachi HTS547575A9E384 (0J11563) 750GB, 5400RPM, 2.5" Internal Hard Drive - New Bare Drive
Quick View
HP 507127-B21 300GB 10000 RPM SAS 6Gb/s 2.5" SFF Enterprise Hard Drive
Quick View
Dell x162k 146 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
Quick View
TOSHIBA MK5055GSX 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
Quick View
TOSHIBA MK5055GSX 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive Bare Drive
  • Average Latency: 5.55ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: MK5055GSX
  •  
  • $31.19 
  • Free Shipping
Dell T871K 300GB 10000 RPM SAS 6Gb/s 2.5" Internal Notebook Hard Drive
Quick View
Seagate Momentus Thin ST320LT007 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
Quick View
Seagate Momentus Thin ST320LT007 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Latency: 4.17ms
  • Height (maximum): 7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST320LT007
Western Digital Scorpio Blue WD2500BPVT 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
Quick View
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
DELL 9W5Wv 1Tb 7200Rpm 64Mb Buffer Sas 6Gbits 2.5Inch Hard Disk With Tray For Powervault Server
Quick View
DELL
Refurbished DELL 9W5Wv 1Tb 7200Rpm 64Mb Buffer Sas 6Gbits 2.5Inch Hard Disk With Tray For Powervault Server
  • NAND Flash Memory Type: Hard Drive
  • Features: Hot Plug
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: 9W5WV
Seagate ST340215A BarraCuda ST340215A 40 GB Hard Drive - Internal - IDE (IDE Ultra ATA/100 (ATA-6))
Quick View
  •  
  • $32.10 
  • 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

“ 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
Eric H.
12/17/2023 6:23:25 PM
Reliable

“ Used for computer backup & media storage, on three laptops, nearly 7x24. ”

Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST5000LM000
Curtis
9/24/2022 12:58:02 AM
Perfect

“ It survived my console, survived a laptop and now is living in a legion 5 laptop, everything works amazing, thanks for this!! ”

Seagate FireCuda Gaming SSHD 2TB SATA 6.0Gb/s 2.5" Notebooks / Laptops Internal Hard Drive ST2000LX001
LadyGannicus
2/23/2022 11:57:57 AM
Cost Efficient and works well.

“ I would recommend this hard drive. I have the same brand in my Gaming tower for my SATA and my SSD. Have had no issues with any of them so far so went ahead and got the same brand for the laptop. ”

Seagate 1TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST1000LM048
Edward B.
1/26/2022 11:08:16 AM
Works great in my laptop.

“ this is a fast hard drive and it made my laptop faster and that is all I could ask for. ”

WD Black 1TB Hard Drive - 7200 RPM SATA 6Gb/s 64MB Cache 2.5 Inch - WD10SPSX
MIGUEL C.
11/5/2021 7:22:56 PM
The Replacement HDD.

“ After 2020 the original laptop hard drive failed. ”

Seagate ST1000LM035 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
Skyler M.
10/6/2021 3:54:18 PM
So Far So Good

“ I actually bought this to replace a dead HDD in my old laptop, after many many more hours of tinkering turns out the MB was shot, and it was not worth my time anymore, I currently have it in my main PC as another backup drive and its doing just fine. ”

WD Blue WD20SPZX 2TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
Airira
8/2/2021 7:00:06 AM
Replacement drive

“ I needed to replace a dying 1 TB drive in my 2012 MacBook Pro, the last laptop from Apple one can do that in. ”

WD Blue 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Mobile Hard Drive WD10SPZX