SanDisk Extreme Pro 256GB microSD SDXC SDXC UHS-I 200MB/s 140MB/s V30 U3 A2 4K UHD Shock temperature water X-ray proof with SD Adaptor | SDSQXCD-256G-GN6MA

SanDisk Extreme Pro 256GB microSD SDXC SDXC UHS-I 200MB/s 140MB/s V30 U3 A2 4K UHD Shock temperature water X-ray proof with SD Adaptor

Where top speeds meet high capacity

Improve your workflow efficiency
With SanDisk QuickFlow Technology9, this card optimizes performance for timesaving media offloads with quick read speeds up to 200MB/s8 (64GB – 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately).

Write speeds of up to 140MB/S
Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 140MB/s.8 The SanDisk Extreme PRO microSDXC UHS-I Card lets you shoot more and faster.

Great for capturing 4K UHD video
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme PRO microSD UHS-I card lets you capture uninterrupted 4K UHD2 and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.4

Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme PRO microSD card’s A25 Specification.

Durable design for use in extreme environments
SanDisk Extreme PRO microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,3 so you can enjoy your adventures without worrying about the durability of your memory card.

Full Specifications
Capacity
256 GB
Compatibility
Compatible with SDXC and SDXC UHS-I enabled host devices.
Dimensions (L x W x H)
10.92mm x 14.99mm x 1.02mm
Sequential Read Performance
Up to 200MB/s
Sequential Write Performance
Up to 140MB/s

Product Last Updated: 10/04/2026

* Whilst we endevour to have the correct information on our products provided from the supplier/manufacturer errors do occur. If you would like to double check the information, please feel free to contact us and we will be more than happy to confirm information on the item prior to purchase. In the event that product information is incorrect due to information we received from our supplier or manufacturer, we do not take responsibility or be held liable for damage(s) or loss(s). We will work with you and do our best to make the best of a bad situation and work with our supplier(s) and/or manufacturer(s) to supply the correct information for the item purchased etc..