TwinMOS 256GB microSDXC UHS-I Memory Card with SD Adapter

🏷️ Product Overview

This is a TwinMOS 256GB microSDXC (UHS-I) memory card bundled with a full-size SD adapter, part of their “Ultra High Performance” series. The packaging celebrates the brand’s 25th Anniversary and includes a Smart Warranty hologram for authenticity verification

Key Specifications

Feature	Detail
Capacity	256 GB
Card Type	microSDXC (UHS-I)
Speed Class	Class 10 / U3 / V30 / A1
Max Read Speed	Up to 100 MB/s
Max Write Speed	Up to 30–50 MB/s
IOPS Performance	~500 read / ~150 write
Bus Interface	UHS-I (Ultra High Speed Bus)
Adapter Included	✅ Full-size SD adapter

🎯 Speed Class Breakdown

Class 10 – Minimum sustained write speed of 10 MB/s
U3 – Minimum sustained write speed of 30 MB/s (ideal for 4K video)
V30 – Video Speed Class 30, supports 4K UHD recording
A1 – App Performance Class 1, optimized for running apps directly from the card

Compatible Devices

The packaging icons confirm compatibility with:

📱 Smartphones & Tablets (Android, iOS, Windows)
📷 Digital Cameras & Action Cams (GoPro-style)
🚁 Drones
🎮 Handheld Gaming Consoles (e.g., Nintendo Switch)
🖥️ Dash Cams & Surveillance Systems
💻 PCs (Windows, macOS, Linux)

🛡️ Warranty & Authenticity

5-Year Limited Warranty (clearly stamped on packaging)
Smart Warranty Hologram – tamper-evident security seal for genuine product verification

💡 Ideal Use Cases

Recording 4K UHD video footage
Expanding storage on smartphones and tablets
Drone photography/videography
Dash cam & CCTV continuous recording
Gaming on handheld devices like Nintendo Switch
High-resolution photo burst capture

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Brand: TwinMOS

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