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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
HP 128GB M.2 SATA3 TLC SSD DRIVE - 831040-001
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  • $13.97 
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Seagate ST500LM021 ST500LM021 500 GB Hard Drive - 2.5" Internal - SATA (SATA/600)
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Refurbished Seagate ST500LM021 ST500LM021 500 GB Hard Drive - 2.5" Internal - SATA (SATA/600)
  • Flash Memory Capacity: N/A
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 7mm
  • Model #: ST500LM021
Western Digital XE WD9001BKHG 900GB 10000 RPM 32MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Western Digital
Used - Very Good Western Digital XE WD9001BKHG 900GB 10000 RPM 32MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100mm
  • Model #: WD9001BKHG
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  • $17.49 
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Seagate ST3250312AS BarraCuda 7200.12 ST3250312AS 250 GB Hard Drive - 3.5" Internal - SATA (SATA/600)
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  • $17.53 
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Western Digital AV-25 WD5000BUCT 500 GB 2.5' Internal Hard Drive - 50 Pack
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  • $17.99 
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SAMSUNG Spinpoint M7E HM501II 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $18.74 
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HITACHI 250GB  5400RPM  SATA 2.5 INCH HARD DRIVE  BARE DRIVE
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  • $19.00 
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HGST Ultrastar C10K900 HUC109045CSS600 450 GB 2.5 Internal Hard Drive SAS - 10000 rpm - 64 MB Buffer
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  • $19.95 
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  • $17.50 - $19.95
WD Scorpio Blue WD2500BPVT 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Refurbished WD 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
HP 80GB SATA 2.5 SOLID STATE HARD DRIVE - 583004-001
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  • $19.99 
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DELL G108N  73Gb 15000Rpm Sas3Gbits 16Mb Buffer 2.5Inch Hard Disk Drive With Tray
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  • $19.99 
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Dell 00X3Y 000X3Y 500GB 7.2K 6G 64MB 2.5" SFF SATA HDD Hard Drive ST9500620NS
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DELL
Refurbished Dell 00X3Y 000X3Y 500GB 7.2K 6G 64MB 2.5" SFF SATA HDD Hard Drive ST9500620NS
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: ST9500620NS/000X3Y
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  • $20.60 
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Seagate ST9250421AS 250GB 7200 RPM SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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  • $21.00 
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Western Digital Scorpio Blue WD800BEVS 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Used - Like New Western Digital Scorpio Blue WD800BEVS 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.2ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: WD800BEVS
  • $95.16
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  • $21.10 
  • Save: 77%
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WD Blue 750GB Hard Disk Drive - 5400 RPM SATA 6Gb/s 2.5 Inch - WD7500BPVX
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Used - Very Good WD Blue 750GB Hard Disk Drive - 5400 RPM SATA 6Gb/s 2.5 Inch - WD7500BPVX
  • Average Latency: 5.5ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.20mm
  • Model #: WD7500BPVX
  • $129.32
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  • $21.24 
  • Save: 83%
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TOSHIBA MK5056GSY 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Used - Very Good TOSHIBA MK5056GSY 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 11ms
  • Average Write Time: 12ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: MK5056GSY
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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Refurbished 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
  • Flash Memory Capacity: N/A
  • NAND Flash Memory Type: NOT FOR LAPTOPS!
  • Height (maximum): 15mm
  • Model #: ST9500620NS
Seagate Laptop Thin ST500LT012 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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Seagate Laptop Thin ST500LT012 500GB 5400 RPM 16MB Cache SATA 6.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Height (maximum): 7mm
  • Width (maximum): 70.10mm
  • Length (maximum): 100.55mm
  • Model #: ST500LT012
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  • $28.00 
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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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Seagate Momentus 5400.6 ST9500325AS 500GB 5400 RPM 8MB 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
  • Parts: 2 yrs
  • Model #: ST9500325AS
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
TOSHIBA MQ01ABD075 750GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
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TOSHIBA MQ01ABD075 750GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive
  • Average Seek Time: 12ms
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 9.5mm
  • Width (maximum): 69.85mm
  • Model #: MQ01ABD075
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 500GB Ultra Mobile Solid State Hybrid Hard Disk Drive - 5400 RPM SATA 6.0Gb/s 2.5" Model# ST500LX012
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Seagate
Seagate 500GB Ultra Mobile Solid State Hybrid Hard Disk Drive - 5400 RPM SATA 6.0Gb/s 2.5" Model# ST500LX012
  • Height (maximum): 5mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100.35mm
  • Option: Standard
  • Model #: ST500LX012
Seagate Savvio 10K.5 ST9900805SS 900GB 10000 RPM 64MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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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
Seagate Constellation ST9500530NS 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s 2.5" Internal Enterprise-class 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
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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
TOSHIBA MK5076GSX 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK5076GSX 500GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Length (maximum): 100.3mm
  • Model #: MK5076GSX
TOSHIBA MK5061GSYN 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK5061GSYN 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Latency: 4.16ms
  • Height (maximum): 9.5mm
  • Width (maximum): 69.75mm
  • Model #: MK5061GSYN
TOSHIBA MK6476GSX 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive
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TOSHIBA MK6476GSX 640GB 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 #: MK6476GSX
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  • $109.19 
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Western Digital XE WD3001BKHG 300GB 10000 RPM 32MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
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Western Digital XE WD3001BKHG 300GB 10000 RPM 32MB Cache SAS 6Gb/s 2.5" Internal Enterprise Hard Drive Bare Drive
  • Height (maximum): 15mm
  • Width (maximum): 69.85mm
  • Length (maximum): 100mm
  • Model #: WD3001BKHG

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