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WD Blue 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Mobile Hard Drive WD10SPZX
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WD Blue 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Mobile Hard Drive WD10SPZX
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD10SPZX
WD Black 1TB Hard Drive - 7200 RPM SATA 6Gb/s 64MB Cache 2.5 Inch - WD10SPSX
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WD Black 1TB Hard Drive - 7200 RPM SATA 6Gb/s 64MB Cache 2.5 Inch - WD10SPSX
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD10SPSX
Seagate 2TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST2000LM015
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Seagate 2TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST2000LM015
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST2000LM015
WD Blue WD20SPZX 2TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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WD Blue WD20SPZX 2TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD20SPZX
Seagate 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST500LM030
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Seagate 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST500LM030
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LM030
Dell 91K8T - 3TB 3.5" SAS 7.2K 6Gb/s HS Hard Drive
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Dell 91K8T - 3TB 3.5" SAS 7.2K 6Gb/s HS Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Model #: 91K8T
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  • $75.99 
  • Free Shipping
Dell 202V7 - 4TB 3.5" SAS 7.2K 6Gb/s HS Hard Drive
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Dell 202V7 - 4TB 3.5" SAS 7.2K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 202V7
  • $130.99
  •  
  • $123.99 
  • Save: 5%
  • Free Shipping
Dell T6TWN - 1.2TB 2.5" SAS 10K 6Gb/s HS Hard Drive
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Dell T6TWN - 1.2TB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: T6TWN
Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST4000LM024
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Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST4000LM024
  • NAND Flash Memory Type: MLC
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST4000LM024
Western Digital 500GB WD Blue Mobile Hard Drive - 5400 RPM Class, SATA 6Gb/s, 16MB Cache, 2.5" - WD5000LPCX
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Western Digital 500GB WD Blue Mobile Hard Drive - 5400 RPM Class, SATA 6Gb/s, 16MB Cache, 2.5" - WD5000LPCX
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD5000LPCX
Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST5000LM000
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Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 15mm Laptop Internal Hard Drive ST5000LM000
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST5000LM000
Seagate 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
Seagate Savvio 10K.5 ST9300605SS 300GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Latency: 3ms
  • Flash Memory Capacity: N/A
  • Height (maximum): 15mm
  • Width (maximum): 70.1mm
  • Model #: ST9300605SS
Seagate Momentus 7200.4 ST9500423AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Momentus 7200.4 ST9500423AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST9500423AS
Seagate 1TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST1000LM048
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Seagate 1TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST1000LM048
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST1000LM048
WD Blue WD3200LPVX 320GB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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WD Blue WD3200LPVX 320GB 5400 RPM 8MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Latency: 5.5ms
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD3200LPVX
HGST Travelstar 7K1000 HTS721010A9E630 (0J22423) 1TB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive (Standard Model) Bare Drive
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HGST Travelstar 7K1000 HTS721010A9E630 (0J22423) 1TB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive (Standard Model) Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.2ms
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 9.5mm
  • Model #: 0J22423
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
Seagate Momentus Thin ST320LT007 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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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
Seagate ST1000LM035 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
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Seagate ST1000LM035 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 13ms
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST1000LM035
HP 507284-001 300 GB 2.5" Internal Hard Drive
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HP
HP 507284-001 300 GB 2.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Usage: Ideal for Servers
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: 507284-001
  •  
  • $188.99 
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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
Seagate Savvio 10K.4 ST9450404SS 450GB 10000 RPM SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Seagate
Seagate Savvio 10K.4 ST9450404SS 450GB 10000 RPM SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Average Seek Time: 4.08ms
  • Average Write Time: 4.65ms
  • Average Latency: 3ms
  • Parts: 3 years limited
  • Model #: ST9450404SS
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
Dell Seagate 300GB 10K RPM 6Gbp/s SAS 2.5 Inch Hard Drive 745GC ST9300605SS
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  •  
  • $40.00 
  • Free Shipping
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 BarraCuda Pro ST500LM034 500GB 7200 RPM 128MB Cache SATA 6.0Gb/s 2.5" Hard Drives - Notebooks / Laptops
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Seagate BarraCuda Pro ST500LM034 500GB 7200 RPM 128MB Cache SATA 6.0Gb/s 2.5" Hard Drives - Notebooks / Laptops
  • Height (maximum): 7mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Model #: ST500LM034
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
  • Height (maximum): 9.7mm
  • Width (maximum): 70.1mm
  • Length (maximum): 100.55mm
  • Model #: ST500LX003
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
Seagate Exos 7E2000 2TB 512e SATA 6Gb/s 7200 RPM 2.5-Inch Enterprise Hard Drive (ST2000NX0253)
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in 30 days
Seagate Exos 7E2000 2TB 512e SATA 6Gb/s 7200 RPM 2.5-Inch Enterprise Hard Drive (ST2000NX0253)
  • Average Latency: 4.16ms
  • Height (maximum): 15mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.45mm
  • Model #: ST2000NX0253
IBM 00Y2430 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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IBM 00Y2430 - 600GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 00Y2430
  •  
  • $109.99 
  • Free Shipping
Dell 4X1DR - 900GB 2.5" SAS 10K 6Gb/s HS Hard Drive
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Dell 4X1DR - 900GB 2.5" SAS 10K 6Gb/s HS Hard Drive
  • Usage: Ideal for Servers
  • Model #: 4X1DR

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