what is the difference between M3 and H3?

From the http://www.transcend-info.com. The H3 is tested to the U.S. military drop-test standards MIL-STD-810F.The M3 is tested to the U.S. military drop-test standards MIL-STD-810G 516.6.That is the only difference I saw.

will this work with my android tablet? I have a samsung galaxy note pro with 4.4/kitkat.

works with my Android tablet, also works as external drive for my Samsung smart blueray player, and WD TV Live Streaming Media Player

Does this work with laptops? How many USB ports does it need to run?

Works great. I've got 5 of these, one of which I've been using since 2010 (an earlier slimmer model though, but still padded like this). All still working perfectly well. It requires only one USB port and works best with USB 3.0 ports. Even thinking of getting a 6th one

how long is the usb cable?

USB Cable is about 18 inches long.

Transcend 4tb Usb 3 1 Gen 1 Storejet 25h3b Sj25h3b

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

💼 Work hard, store harder — rugged speed that keeps up with your grind!

MASSIVE CAPACITY - Store up to 4TB of documents, media, and projects—carry your entire professional life in your pocket.
EFFORTLESS BACKUP - One-touch auto backup button lets you secure your files instantly—because your time is money.
RUGGED RELIABILITY - Three-stage shock protection ensures your data stays safe no matter where your hustle takes you.
BLAZING FAST TRANSFERS - Experience lightning-quick data moves with USB 3.1 Gen 1 and UASP support, saving you precious time.
CROSS PLATFORM COMPATIBILITY - Seamlessly works with PC and Mac, empowering your workflow across devices without a hitch.

The Transcend 4TB StoreJet 25H3B is a rugged external hard drive featuring USB 3.1 Gen 1 interface with UASP for fast data transfer, a three-stage shock protection system for durability, and a convenient one-touch auto backup button. With 4TB of storage, it supports seamless file management across PC and Mac, making it the trusted choice for professionals who demand speed, reliability, and portability.

Specifications

ASIN	B078YGB7DJ
Additional Features	Durable, One-touch auto backup button, Shock Resistant, Three-stage shock protection system
Best Sellers Rank	#243 in External Hard Drives
Brand	Transcend
Built-In Media	CABLE USB3.0 A(M)-Micro B(M)45cm, HDD, 2.5" 4TB SATA, 15mm
Cache Memory Installed Size	1
Color	Blue
Compatible Devices	Desktop, Laptop, Tablet
Compatible Video Game Console Models	Microsoft Xbox 360, Microsoft Xbox One, Sony PlayStation 4
Connectivity Technology	USB
Customer Package Type	Standard Packaging
Customer Reviews	4.6 out of 5 stars 6,516 Reviews
Data Transfer Rate	625 Gigabits Per Second
Digital Storage Capacity	4 TB
Enclosure Material	Plastic/Rubber
Form Factor	2.5-inch
Global Trade Identification Number	00760557840596
Hard Disk Description	Portable
Hard Disk Form Factor	2.5 Inches
Hard Disk Interface	USB 3.0
Hard Disk Rotational Speed	5400 RPM
Hard-Drive Size	4 TB
Hardware Connectivity	USB 2.0
Hardware Platform	Mac, PC
Installation Type	External Hard Drive
Item Dimensions L x W x Thickness	5.19"L x 3.18"W x 0.96"Th
Item Type Name	StoreJet
Item Weight	10.4 ounces
Manufacturer	TRANSCEND
Media Speed	78 MB/s
Mfr Part Number	TS4TSJ25H3B
Model Name	StoreJet 25H3
Model Number	TS4TSJ25H3B
Number of Items	1
Read Speed	520 Megabytes Per Second
Special Feature	Durable, One-touch auto backup button, Shock Resistant, Three-stage shock protection system
Specific Uses For Product	personal, gaming, business
UPC	760557840596
Unit Count	1.0 Count
Warranty Description	Three-year Limited Warranty

Reviews

C**L

4.03.2016

R**A

28.12.2025

S**R

2.01.2020

L**Y

3.01.2026

V**3

12.05.2016

R**A

5.07.2011

G**O

27.10.2012

A**N

5.02.2026

S**O

16.05.2015

P**S

19.01.2025

M**O

4.12.2020

M**N

24.02.2014

D**L

9.12.2025

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Transcend 4TB USB 3.1 Gen 1 StoreJet 25H3B SJ25H3B Rugged External Hard Drive TS4TSJ25H3B Blue

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