Samsung 256GB T7 Micro SD Memory Card UHS-1 / Class 10
MB-MB256T/WW
Product Overview
Key Features
- USB Flash Drive for portable file storage
- 256GB capacity for storing documents and media
- Read speed up to 170 Mbps for quick access
- Class 10, V30
- Grade 3 (U3)
Key Specifications
- Brand:
- Samsung
- Model Number:
- MB-MB256T/WW
- Storage Capacity:
- 256GB
- Speed Class:
- U3, V30, A2
- Read Speed (mbps):
- 170
- Type:
- Micro SD Card
Connections
- Connection Type:
- MicroSD
General Information
- Colour:
- Blue
Warranty
- Manufacturer's Warranty:
- 3 Year
Connections
- Connection Type:
- MicroSD
Warranty
- Manufacturer's Warranty:
- 3 Year
Product Dimensions
- Product Height (mm):
- 11
- Product Width (mm):
- 15
- Product Depth (mm):
- 1
- Product Weight (g):
- 0.25
Box Dimensions
- Box Height (mm):
- 5
- Box Width (mm):
- 102
- Box Depth (mm):
- 153
- Box Weight (kg):
- 0
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At a glance
This 256GB Samsung microSD card is a practical storage upgrade for everyday devices like phones, tablets, handheld consoles, and laptops with a compatible slot. It suits users who want reliable space for photos, 4K video, apps, and game files, with strong read performance and broad compatibility. Its main limitation is that it is not aimed at specialist high-end professional workflows that may need faster bus standards or higher endurance ratings.
What it’s great for
- Phone Storage Expansion
- Tablet Media Storage
- 4K Video Recording
- App Storage
- Handheld Gaming
- Everyday File Backup
Where it works best
- Home
- Travel
- Mobile Setup
- Everyday Commuting
- Study Environment
- Light Content Creation
Who it’s for
- Everyday User
- Student
- Mobile Gamer
- Content Capture User
- Tablet Owner
- Travelling Professional
Things to consider
It is a strong everyday and prosumer choice, but users with demanding professional capture workflows may prefer newer or more specialised cards with faster sustained write performance or endurance-focused design.
Device compatibility score
9/10 - Works well with many phones, tablets, laptops, and handheld consoles that support microSD cards.
4k video suitability
8.5/10 - U3 and V30 ratings make it a solid choice for 4K recording in compatible consumer devices.
Professional vs everyday use fit
Best suited to everyday use and light prosumer content capture rather than specialist professional recording workloads.
Durability rating
6.5/10 - Suitable for normal everyday storage use, but no specific rugged or endurance claims are provided here.
Key benefits
- 256gb capacity: Gives you plenty of room for photos, videos, apps, and game files on compatible devices.
- U3 speed class: Supports higher-performance recording needs such as smooth 4K video capture on compatible devices.
- V30 video rating: Helps maintain stable video recording performance for 4K capture with compatible hardware.
- A2 app performance: Improves app loading and responsiveness compared with basic memory cards in supported devices.
- Up to 170mbps read speed: Enables quicker file access and faster transfers when used with a compatible card reader.
- Microsd format: Fits a wide range of phones, tablets, handheld consoles, and other devices with a microSD slot.
- Compact design: Small, lightweight format makes it easy to leave installed or carry as spare storage.
- 3 year manufacturer warranty: Adds extra peace of mind for everyday long-term use.
Q: Is the Samsung MB-MB256T/WW compatible with Samsung phones and tablets?
A: Yes, this card suits devices that accept microSDXC UHS-I cards, including many Samsung Galaxy phones and tablets with a microSD slot. It will not fit models that rely on internal storage only, so check that your device has a card tray.
Q: Is this 256GB microSD card suitable for 4K video recording or handheld gaming?
A: Yes, the U3 and Class 10 ratings make it a suitable choice for devices that record 4K video or load games from microSD. Actual recording support still depends on the camera, drone or handheld console, because some devices set their own minimum card specs.
Q: How much can a 256GB card like this hold in everyday use?
A: A 256GB card is typically enough for roughly 30,000 photos at about 8MB each, or around 20 to 40 hours of Full HD video depending on bitrate. Usable space will be a little lower after formatting, so the displayed capacity will not be the full 256GB.
Q: What does the 170MB/s speed mean for real-world transfers?
A: The 170MB/s figure is the peak read speed when the card is used in a compatible UHS-I SDR104 reader. In everyday use, file copies can be slower, and write speeds are usually lower, especially in older phones, cameras or USB adapters.