Exascend Catalyst UHS-I microSD card(V30) 256GB Exascend

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The Catalyst microSDXC UHS-I card with V30 speed class and A2 application class reads at up to 175 MB/s and writes at up to 150 MB/s; V30 guarantees a minimum write of 30 MB/s for 4K video from a drone, action camera or phone without dropped frames. Operation from −25 to 85 °C, protection against water, dust, impact, X-rays and magnets. 256 GB capacity, limited lifetime warranty with factory data recovery.

microSDXC UHS-I V30 A2: 175 MB/s read

Catalyst is the microSD card for drones, action cameras, phones and consoles — 175 MB/s read, 150 MB/s write, a guaranteed 30 MB/s minimum for 4K video and A2 class for running apps straight from the card. 256 GB capacity, limited lifetime warranty.

V30A2UHS-I175 / 150 MB/s256 GB

Into a drone, action camera or phone

The card is compatible with DJI drones, GoPro and Insta360 action cameras, Android phones and tablets, dash cams, home security cameras and game consoles — anywhere with a microSD slot. With the adapter it also fits cameras and readers with an SD slot.

Class V30: at least 30 MB/s for the whole take

The V30 speed class guarantees a sustained write of at least 30 MB/s — 4K video and burst shooting run without dropped frames. The A2 application class means enough random operations per second to run even demanding apps from the card.

Fast offloads, covered for life

175 MB/s read through a UHS-I reader moves a full card to the computer in minutes. Exascend backs it with a limited lifetime warranty and factory data recovery if footage is deleted by mistake or the card gets formatted.

Built for the field

Waterproof, dust-resistant, impact-resistant, X-ray-safe and magnet-resistant. Operates from −25 to 85 °C and stores from −40 to 85 °C — in the mountains, at sea and in the desert.

3D TLC memory

With Data Retention Plus™, which refreshes stored data before natural degradation can put it at risk.

RAID ECC

Advanced error correction can rebuild even severely corrupted data.

Data recovery and lifetime warranty

A limited lifetime warranty and factory data recovery included.

64 GB – 1 TB

The Catalyst microSD V30 series comes in several capacities; this is the 256 GB version.

The Exascend EX256GUSDU1 Catalyst 256GB microSD card achieves 175 MB/s read and 150 MB/s write for 4K RAW video and action shots. Rugged (-25°C~85°C), 3D TLC, A2-optimized for apps, with limited-lifetime warranty—ideal for extreme mobile and camera use.

The Exascend EX256GUSDU1 Catalyst Series 256GB microSDXC UHS-I card is a versatile, high-speed storage solution designed for capturing 4K RAW video, action photography, and running intensive apps in the toughest conditions. Certified U3/V30 for guaranteed 30 MB/s minimum writes, it leverages 3D TLC flash for max 175 MB/s read and 150 MB/s write speeds, ensuring smooth performance without lag. Its compact microSDXC form factor fits drones, action cams, and smartphones, while operating reliably from -25°C to 85°C. Backed by advanced error correction and a limited-lifetime warranty, this card delivers seamless file transfers and data security for creators on the move.

Key Features:

• U3/V30 speeds for reliable 4K RAW video and burst photography
• Max 175 MB/s read, 150 MB/s write with 3D TLC flash
• Extreme temperature tolerance (-25°C ~ 85°C) for harsh environments
• A2-compatible for direct app execution and multitasking
• High-capacity 256GB in tiny microSDXC design
• Limited-lifetime warranty for assured reliability

• 1× Exascend Catalyst microSDXC UHS-I V30 256 GB memory card

• Card type: microSDXC
• Interface: UHS-I
• Speed class: V30, U3, Class 10
• Application class: A2
• Capacity: 256 GB
• Memory type: 3D TLC
• Max. sequential read: 175 MB/s
• Max. sequential write: 150 MB/s
• Guaranteed minimum write: 30 MB/s (V30)
• Operating temperature: −25 to 85 °C
• Storage temperature: −40 to 85 °C
• Protection: water, dust, impact, X-ray, magnetic fields
• Compatibility: any device with a microSD slot — DJI drones, GoPro, Insta360, Android phones and tablets, dash and security cameras, game consoles; with the adapter also SD slots
• Warranty: limited lifetime, data recovery included
• Part number: EX256GUSDU1