SanDisk Extreme® PRO microSDXC™ UHS-I CARD 512GB Write speeds of up to 140MB/S Great for capturing 4K UHD video Lifetime Limited Warranty | SDSQXCD-512G-GN6MA

SanDisk Extreme® PRO microSDXC™ UHS-I CARD

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
Features
– Write speeds of up to 140MB/s
– Great for capturing 4K UHD video
– Load apps faster with A2
Capacity 512GB
Form Factor microSDXC™
Compatibility Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Sequential Read Performance Up to 200MB/s
Sequential Write Performance Up to 140MB/s
Warranty Lifetime Limited Warranty
Dimensions (L x W x H) 10.92mm x 14.99mm x 1.02mm
Weight 1.66gms
Model Number SDSQXCD-512G-GN6MA
Operating Temperature -25°C to 85°C
Non-Operating Temperature -40°C to 85°C
Certifications CE, FCC, C-Tick/RCM, UKCA, EAC, ICES

Product Last Updated: 17/07/2026

* 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..