Amplim Micro SD Card 256GB - High Speed 170MB/S MicroSDXC

In this review of the Amplim Micro SD Card 256GB the bottom line is simple: this card is for people who need fast, reliable portable storage for games, 4K video and high-resolution photo work. The reviewer found the standout reason to buy is its sustained performance profile - rated up to 170MB/s read and 95-100MB/s write on compatible devices - which makes large file transfers and game load times noticeably quicker than standard microSD cards. For anyone expanding storage on a Switch, phone, tablet or camera, it delivers professional-grade speed in a tough build.

Key Features

• Blazing read speed: Read speeds up to 170MB/s with compatible SDXC slots reduce transfer times for large libraries and backups.
• Reliable write performance: Sustained 95-100MB/s write speed handles 4K UHD and continuous burst photo capture without dropping frames.
• A2 app performance: A2 rating improves game and app load times compared with A1-class cards on supported devices.
• V30 video class: V30 rating and U3 classification ensure consistent recording for ultra high speed video and surveillance use.
• Tough construction: Waterproof, temperature proof, shockproof, X-ray proof and magnet proof protection keeps data safe in demanding environments.
• Wide compatibility: Works with Nintendo Switch, many Android phones and tablets, DJI devices and common Windows and Mac systems.

Who It's For

The Amplim 256GB card is aimed at gamers expanding storage on a Nintendo Switch, smartphone users who shoot 4K video, and hobbyist photographers who need fast write speeds for burst shooting. It is also a good fit for drone owners and content creators who move large files frequently and want a rugged card that survives outdoor use.

People who primarily need tiny amounts of backup space, or who only use old devices limited to much lower SDXC speeds, should look for lower-capacity cards to save cost. Also, users expecting the top read numbers without a compatible host device should note that typical SDXC slots will run nearer to 100MB/s.

Pros & Cons

Pros

• Fast read and write figures for quick transfers and reliable 4K recording.
• A2 and V30 ratings improve app performance and video capture consistency.
• Durable, multi-proof construction for field and travel use.
• Generous usable capacity around 237-240GB after formatting.

Cons

• Peak 170MB/s read requires a compatible host; typical SDXC slots are closer to 100MB/s.
• Refund window is limited to 30 days for returns through the brand.

Specifications

Capacity	256 GB (approx 237-240 GB formatted)
Read Speed	Up to 170 MB/s (with compatible devices)
Write Speed	Approximately 95-100 MB/s
Performance Class	A2, V30, U3, Class 10, UHS-I
Compatibility	Nintendo-Switch, Android phones, tablets, Surface, DJI and more
Durability	Waterproof, temperature proof, shockproof, X-ray and magnet proof
Support	30-day money back; Amplim is an American company

Our Verdict

The Amplim Micro SD Card 256GB is a well-rounded choice for gamers, creators and travelers who want high sustained speeds and durable hardware at a reasonable price. It delivers meaningful performance gains for app load times and 4K video work when used with compatible devices, making it good value for anyone needing reliable large-capacity removable storage.

Frequently Asked Questions

Will this card work in a Nintendo Switch?
Yes, the card is compatible with Nintendo-Switch and is suited for expanding game storage and reducing load times when the Switch accepts microSDXC.

How much usable space is available?
Formatted usable space is about 237-240 GB on the 256 GB microSDXC card.

Do I need a special adapter for a PC?
The card includes an adapter for standard SDXC slots; a compatible reader or built-in SD slot is required to reach advertised speeds.