Samsung EVO Plus 256GB MicroSDXC with SD Adapter
256GB

Simply the right card - Free up your devices with the largest capacity and highest read/write speeds in its class, perfect for 4K UHD video. With astonishing performance and reliability, EVO Plus lets you save and treasure the richness of life.
Fulfill your need for speed - Record and play 4K UHD video without glitches. With superfast read & write speeds up to 100 MB/s & 90 MB/s respectively, the 256 GB EVO Plus lets you transfer a 3 GB video to your notebook in just 38 seconds. Shoot flawless high-quality photos and videos, and share them all in an instant.
Capacity to live large - A massive memory of 256 GB is enough for 12 hours of 4K UHD video, 33 hours of Full HD video, or 55,200 photos. So go ahead and savor all of what life has to offer, and keep it all too.
Extended compatibility - The EVO Plus memory card is compatible with a wide range of devices for both SD and micro SD. You can even capture detailed 4K UHD video. The included SD adapter fits most devices under almost every brand name, while preserving the outstanding speed and performance of EVO Plus.
4-Proof protection - Your experiences are irreplaceable, and now unforgettable. Backed by 4-proof protection, the EVO Plus can withstand up to 72 hours in seawater, extreme temperatures², airport X-ray machines³ and magnetic fields⁴ equivalent to an MRI scanner.

Specifications
Application : Mobile phone, Smartphone, Tablet, etc
Capacity : 256GB (1GB=1Billion byte)* Actual storage capacity may be lower than the labeled capacity. Part of the storage may be used for system files and other storage control purposes.
Interface : UHS-I, compatible to HS interface
Dimension (WxHxD) : 15x11x1 mm
Weight : Approx. 0.5g
Performance
Speed : Read : up to 100MB/s with UHS-1 interfaceWrite : up to 90MB/s with UHS-1 interface* The foregoing read & write speeds are demonstrated by internal test conducted under certain controlled conditions, and actual speeds may vary depending upon usage and other conditions. For products incompatible with UHS-I interface, the speeds may vary subject to different interface conditions
Speed Class : Grade 3, Class 10
Environment
Operating Voltage : 2.7~3.6V
Storage Temperature : -40℃ to 85℃
Operating Temperature : -25℃ to 85℃
Durability : 10,000 mating cycles