Features
SanDisk Extreme microSDXC 256GB UHS-I Memory Card
Gear that doesn't limit your creativity
The SanDisk Extreme microSDXC™ memory card³ lets you save time transferring media with read speeds of up to 190MB/s⁹ powered by SanDisk QuickFlow™ Technology¹⁰ (64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately). With write speeds up to 130MB/s⁹, it's ideal for your Android™ smartphone, action cameras, or drones. This high-performance microSD™ card handles 4K UHD video recording, Full HD video², and high-resolution photos. Plus, it's A2-rated, so you can get fast application performance for an exceptional smartphone experience.⁷
Save time transferring content
With SanDisk QuickFlow™ Technology¹⁰ (64GB - 1TB), this card optimizes performance for timesaving media offloads with quick read speeds up to 190MB/s⁹. Pair with the SanDisk Professional PRO-READER SD and microSD™ to achieve maximum speeds (sold separately).
Write speeds of up to 130MB/s
Capture fast-action photos or shoot 4K UHD video² with write speeds of up to 130MB/s⁹. The SanDisk Extreme microSDXC™ UHS-I Card lets you shoot more and faster.
Great for capturing 4K UHD Video²
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB¹, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings⁵.
Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card's A2⁷ Specification.
Durable design for use in extreme environments
SanDisk Extreme microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof⁴, so you can enjoy your adventures without worrying about the durability of your memory card.
Specifications
Capacity: 256GB
Form Factor: microSDXC™
Sequential Read Performance: Up to 190BM/s
Sequential Write Performance: Up to 130MB/s
Dimensions (L x W x H): 1.02 x 14.99 x 10.92mm
Weight: 4.54g
Operating Temperature: -25°C to 85°C
Non-Operating Temperature: -25°C to 85°C
Warranty: Lifetime Limited⁶
¹ Capacity: 1GB = 1,000,000,000 bytes. Actual user storage is less.
² Video support (4K / Full HD): Full HD (1920×1080) and 4K UHD (3840×2160) video support may vary based on host device, file attributes, and other factors.
³ Performance comparison: Based on internal testing; performance may be higher compared to standard microSD™ UHS-I cards. Actual results may vary depending on host device, usage conditions, and other factors.
⁴ Durability claims: Card is waterproof, temperature-proof, shockproof, and X-ray-proof under controlled test conditions. Not guaranteed against all real-world situations.
⁵ Speed class ratings (U3 / V30): UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) indicate minimum sustained write speeds of 30MB/s. Performance may vary depending on device and conditions.
⁶ Limited Warranty: Covered under SanDisk’s limited warranty during the applicable warranty period. Warranty does not cover normal wear and tear, misuse, or use contrary to published instructions. Warranty is in addition to statutory rights under the New Zealand Consumer Guarantees Act.
⁷ A2 app performance: A2 = Application Performance Class 2. Requires compatible host device to achieve specified performance.
⁹ Speed claims (190MB/s read, 130MB/s write): Up to stated speeds. Based on internal testing; actual performance may be lower depending on host device, interface, usage conditions, and other factors. Requires compatible devices.
¹⁰ QuickFlow™ Technology: Requires compatible devices (e.g., SanDisk Professional PRO-READER) to reach maximum speeds.
Warranty: 12 Months*
*Warranty period is as stated above unless the manufacturer has chosen to specify a longer period. All warranties are return to base unless otherwise specified.