What’s the difference between the Transcend StoreJet 25H3 and 25M3?

Transcend has two similar portable hard disk drives currently available on the market with the StoreJet 25H3 and StoreJet 25M3.

You can check out this comparison guide to see what the differences are between these two models.

Quick Summary

The Transcend StoreJet 25M3 Portable Hard Drive is a little smaller in size and lighter in weight when compared to the Transcend StoreJet 25H3 Portable Hard Drive.

The StoreJet 25M3 is also the only model to offer a 500 GB capacity option.

In terms of color variations, the 25H3 offers navy blue and purple while the 25M3 offers iron gray and military green.

Both products have the same USB 3.1 Gen 1 interface, operating system requirements, operating temperature, drop protection, plug-unplug durability and warranty length.

The two hard drives also come with a one touch auto backup button in addition to support for the Transcend Elite software.

StoreJet 25H3 vs. StoreJet 25M3 Comparison Chart

You can take a look at Seeking Tech’s comparison table for the StoreJet 25H3 and StoreJet 25M3 below.

Capacity Options

The 25M3 is the only model to offer a 500 GB capacity option.

You can find the available capacities for both below:

StoreJet 25H3:

• 1 TB
• 2 TB
• 4 TB

StoreJet 25M3:

• 500 GB
• 1 TB
• 2 TB
• 4 TB

Color Options

You can also take a look at the color options below:

StoreJet 25H3:

• Navy Blue
• Purple

StoreJet 25M3:

• Iron Gray
• Military Green

Dimensions

The StoreJet 25M3 is slightly shorter in length and thickness when compared to the StoreJet 25H3. Both external HDDs have the same width.

You can find the measurements, which is displayed as Length x Width x Thickness, below:

• 1 TB StoreJet 25H3: 131.8 mm x 80.8 mm x 16.3 mm (or 5.19″ x 3.18″ x 0.64″)
• 2 TB StoreJet 25H3: 131.8 mm x 80.8 mm x 16.3 mm (or 5.19″ x 3.18″ x 0.64″)
• 4 TB StoreJet 25H3: 131.8 mm x 80.8 mm x 24.5 mm (or 5.19″ x 3.18″ x 0.96″)

• 500 GB StoreJet 25M3: 129.5 mm x 80.8 mm x 16.1 mm (or 5.10″ x 3.18″ x 0.63″)
• 1 TB StoreJet 25M3: 129.5 mm x 80.8 mm x 16.1 mm (or 5.10″ x 3.18″ x 0.63″)
• 2 TB StoreJet 25M3: 129.5 mm x 80.8 mm x 16.1 mm (or 5.10″ x 3.18″ x 0.63″)
• 4 TB StoreJet 25M3: 129.5 mm x 80.8 mm x 24.1 mm (or 5.10″ x 3.18″ x 0.95″)

Weight

The StoreJet 25M3 also weighs a little less than the StoreJet 25H3 when you compare the same capacity options.

You can check out the weight specifications below:

• 1 TB StoreJet 25H3: 191 g (or 6.74 oz)
• 2 TB StoreJet 25H3: 191 g (or 6.74 oz)
• 4 TB StoreJet 25H3: 298 g (or 10.51 oz)

• 500 GB StoreJet 25M3: 185 g (or 6.53 oz)
• 1 TB StoreJet 25M3: 185 g (or 6.53 oz)
• 2 TB StoreJet 25M3: 185 g (or 6.53 oz)
• 4 TB StoreJet 25M3: 294 g (or 10.37 oz)

Storage Media Type

The two products in this versus showdown use the 2.5″ Hark Disk Drive as the storage media type.

USB Type

The two portable HDDs utilize the micro USB to USB Type A connector.

USB Connection Interface

For the USB interface, both of these external storage drives use USB 3.1 Gen 1, which provides transfer rates of up to 5 Gbps.

Transcend Elite

Both also support Transcend Elite, which is a software you can use to set passwords to help keep the data stored on the drive secured.

One Touch Auto Backup Button

With the Transcend Elite, you can also use the one touch auto-backup button to copy all the files to another device. The same button can also be used to reconnect the external HDD to another device without having to unplug and replug the drive.

Operating System Requirements

The StoreJet 25H3 and StoreJet 25M3 support the following operating systems:

• Microsoft Windows 7
• Microsoft Windows 8
• Microsoft Windows 10
• Mac OS X 10.7 or later
• Linux Kernel 2.6.31 or later

Operating Voltage

These storage drives have the same operating voltage of 5V.

Operating Temperature Range

The StoreJet 25H3 and StoreJet 25M3 have the same operating temperature range, which is from 5°C (41°F) to 55°C (131°F).

Plug-Unplug Durability

The two HDDs have been tested to last 10,000 plugs and unplugs.

Drop Protection Grade

When it comes to drop protection, both of the external storage drives in this comparison guide have passed the MIL-STD-810G US military transit drop test.

Certificates

The StoreJet 25H3 and StoreJet 25M3 have received the following certifications:

• BSMI
• CE
• EAC
• FCC
• KC
• RCM

Warranty

The Transcend StoreJet 25H3 Portable Hard Drive and Transcend StoreJet 25M3 Portable Hard Drive each comes with a 3-Year Limited Warranty.

Resources:

• https://us.transcend-info.com/Products/No-324
• https://us.transcend-info.com/Products/No-284