Get more space, faster speeds, and free up your devices to do more in 4K. Get up to 100MB/s read and 90MB/s write speed with Class 10 and U3 compatibility. Backed by 4-proof protection, the EVO can withstand up to 72 hours in seawater¹, extreme temperatures², airport X-ray machines³ and magnetic fields⁴ equivalent to an MRI scanner. Includes a full-size SD Adapter. Comes with a 10-year limited warranty. | Samsung EVO Plus microSDXC Memory Card 256GB - 3 Pack(BNDL-1612368476926)