Laptop Internal Hard Drives - Showing 49 - 72 of 870 Products

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900GB THINKSYSTEM 2.5IN 10K SAS
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Seagate ST300MP0006 300GB 15000RPM SAS 12GB/S 256MB Enterprise Performance 15K ...
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HP 613922-001 600GB 10000 RPM SAS 6Gb/s 2.5" Internal Notebook Hard Drive
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Fujitsu MHT2040AT 40GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 2.5" Notebook Hard ...
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Seagate Momentus Thin ST320LT014 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" ...
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Seagate Constellation.2 ST9500620SS 500GB 7200 RPM 64MB Cache SAS 6Gb/s 2.5" ...
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Fujitsu MHW2080AT 80GB 4200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 2.5" Internal ...
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Seagate EE25.2 Series ST980817SM 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Extreme ...
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SAMSUNG Spinpoint M7E HM641JI 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal ...
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Seagate ST980811AS-RK 80GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard ...
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Seagate Momentus Thin ST320LT012 320GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" ...
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HP Enterprise 512545-B21 72GB 15000 RPM SAS 6Gb/s 2.5" SFF Internal Hard Drive
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Seagate ST9320320AS 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Notebook Hard Drive ...
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Seagate EE25.2 Series ST940818AM 40GB 5400 RPM 8MB Cache PATA 2.5" Rugged Class ...
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Seagate ST4000LM016 4TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Internal Notebook ...
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DELL 740Y7 300Gb 10000Rpm Sas6Gbits 16Mb Buffer 2.5Inch Hard Disk Drive With Trayfor ...
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TOSHIBA MK3265GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook ...
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Hitachi GST DK23EA Series DK23EA-30 (08K1292) 30GB 4200 RPM 2MB Cache IDE Ultra ATA66 ...
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Seagate Momentus Thin ST250LT003 250GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" ...
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Toshiba MK2561GSYB 250 GB 2.5' Internal Hard Drive
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SEAGATE St91608220As Momentus 160Gb 5400 Rpm Serial Ata150 8Mb Buffer 2.5 Inch Form ...
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Seagate Momentus 7200.4 ST9500420AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" ...
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Seagate ST9120817AS 120GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook ...
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SAMSUNG Spinpoint M7E HM321HI 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal ...
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Common Laptop Hard Drive Questions

Introduction

The term laptop hard drive is often applied to 2.5 inch hard drives even though they are used in many types of devices and not just laptops. For instance, they can be found in entertainment devices, desktop computers, server workstations, and more. Below, NeweggBusiness answers several common questions about 2.5 inch and laptop hard drives.

Questions

What does 2.5 inch refer to?

The designation stems from the fact that the disk platters inside of the drive are traditionally 2.5 inches in diameter. The exterior of a 2.5 inch hard drive is actually 100 millimeters (length) by 69.85 millimeters (width).

Thickness can vary, though 9.5 millimeters is very common for most laptops. On the lower end of the scale, Ultrabooks™ can sometimes have hard drives as slim as 5 millimeters. Enterprise-grade hard drives can sometimes be as thick as 15 millimeters.

How do I use a 2.5 inch or laptop hard drive with a device doesn’t support that form factor?

In order to use a 2.5 inch hard drive with a device that is designed for 3.5 inch or desktop hard drives, you will need an adapter bracket. Even with the bracket however, you will still need to ensure that the connectors are compatible.

Can I use an enterprise-grade 2.5 inch hard drive with a laptop?

While some enterprise-grade hard drives and laptop hard drives have similar form factors, they typically utilize different connectors. A laptop for instance, will usually have a SATA connector—or PATA/IDE in the case of older laptops. A server-grade hard drive on the other hand, will typically have a SAS or SCSI connector.

So while a SAS hard drive may physically fit inside a laptop, it cannot be used due to connection differences.

How do I replace a laptop hard drive?

Not all laptops feature removable hard drives, so you will first need to consult the laptop’s user guide or manufacturer’s website for confirmation. If the manufacturer states that your laptop’s hard drive can be replaced, the information below can serve as a general outline.

The first step is to ensure that you have the appropriate tools. Recommended tools include a Phillips screwdriver with a relatively small head, a flat-head screwdriver, and possibly Torx® screwdrivers.

While each laptop model may have a unique design, there are some commonalities with how the hard drives can be accessed. Three of the more common laptop hard drive configurations are as follows.

  • Tray-mounted
  • Access panel on the underside
  • Underneath the keyboard

Once you have determined how to access the laptop hard drive, you should remove the battery and unplug the laptop to avoid electrical damage or injury.