SanDisk Extreme microSD UHS-I Card

SanDisk Extreme microSD UHS-I Card - 256GB

The SanDisk Extreme microSDXC^™ memory card lets you save time transferring media with read speeds of up to 190MB/s¹ powered by SanDisk QuickFlow^™ Technology²(64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD^™ to achieve maximum speeds (sold separately). With write speeds up to 130MB/s¹, it’s ideal for your Android^™ smartphone, action cameras, or drones. This high-performance microSD^™ card handles 4K UHD video recording, Full HD video³, and high-resolution photos. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.⁴

slide {0} of {1}, zoom in, SanDisk Extreme microSD UHS-I Card - 256GB

Save time transferring content

With SanDisk QuickFlow^™ Technology²(64GB - 1TB), this card optimizes performance for timesaving media offloads with quick read speeds up to 190MB/s.¹ 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 video³ with write speeds of up to 130MB/s.¹The SanDisk Extreme microSDXC^™ UHS-I Card lets you shoot more and faster.

Great for capturing 4K UHD Video

³ Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB⁵, 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) ratings.⁶

Load apps faster with A2

Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A2⁴Specification.

Durable design for use in extreme environments

SanDisk Extreme microSDHC^™ and microSDXC^™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,⁷ so you can enjoy your adventures without worrying about the durability of your memory card.

Specifications

General
Capacity	256GB
compatibility	Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Dimension	0.04" x 0.59" x 0.43"
Product Weight	0lbs

Documents

Product Data Sheet

Footnotes

^footnote1 For 256GB-1TB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 130MB/s write speeds. For 128GB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 64GB: Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 80MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 60MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions, and other factors. 1MB<1,000,000 bytes.

^footnote2 SanDisk^® QuickFlow^™ Technology is only available for 64GB, 128GB, 256GB, 512GB, and 1TB capacities.

^footnote3 Compatible device required. Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes, and other factors. See www.sandisk.com/HD

^footnote4 For 64GB-1TB: A2 performance is 4000 read IOPS, 2000 write IOPS. For 32GB: A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type, and other factors.

^footnote5 Not all devices support microSDXC memory card formats. Check with your device manufacturer for more details. 1GB<1,000,000,000 bytes. Actual user storage less.

^footnote6 UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See www.sdcard.org/consumers/speed.

^footnote7 Card only. See www.sandisk.com/proof for additional information and limitations.