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SanDisk Extreme 256GB SDXC memory card in red and black blister packaging

SanDisk

SanDisk Extreme 256GB SDXC UHS-I U3 V30 180MB/s Memory Card (SDSDXVV-256G-GNCIN)

SKU CH-TKAA-PRF34 MPN SDSDXVV-256G-GNCIN

256GB SDXC card delivers 180MB/s read speeds for 4K UHD video and burst photography

  • TypeSecure Digital Extended Capacity (SDXC)
  • Capacity256GB
  • Speed Class RatingUHS-I / U3 / Class 10 / V30
  • Read Speed180MB/s

Capacity 256GB

  • Transfer photos fast with 180MB/s read speed via QuickFlow Technology
  • Shoot 4K UHD video smoothly with U3 and V30 class ratings
  • Store hours of footage on 256GB SDXC capacity
  • Capture burst sequences reliably with Class 10 performance
  • Write data at up to 130MB/s for efficient offload

256GB SDXC card for 4K video

This 256GB SanDisk Extreme SDXC card is built for photographers and videographers who need reliable capture of 4K UHD footage and sequential burst images. It carries UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings to sustain continuous recording without dropped frames. Read speeds reach 180MB/s to accelerate offload workflows.

Upgrade from slower Class 10 or U1 cards

Moving up from a basic Class 10 or U1 card removes the bottleneck that causes recording stops or slow buffer clearing during burst shooting. The jump is worth it when your camera writes 4K UHD (3840 x 2160) or Full HD (1920x1080) video at high bitrates, or when you shoot long RAW bursts that exceed the write ceiling of older media. Cards without V30 cannot guarantee the sustained throughput those modes demand.

Fits standard SDXC slots and UHS-I readers

The card slots into any host device that supports the SDXC format and UHS-I bus. Pairing it with a SanDisk Professional PRO-READER SD and microSD enables the quoted 180MB/s offload rate, while other UHS-I readers will operate at their own maximum. It requires no extra power or adapters beyond the slot itself, freeing you from carrying proprietary media or bulky external recorders for the same capacity.

Highlights

  • Transfer photos fast with 180MB/s read speed via QuickFlow Technology
  • Shoot 4K UHD video smoothly with U3 and V30 class ratings
  • Store hours of footage on 256GB SDXC capacity
  • Capture burst sequences reliably with Class 10 performance
  • Write data at up to 130MB/s for efficient offload

Specifications

BrandSanDisk
SeriesExtreme
ModelSDSDXVV-256G-GNCIN
TypeSecure Digital Extended Capacity (SDXC)
Capacity256GB
Speed Class RatingUHS-I / U3 / Class 10 / V30
Read Speed180MB/s
Shipping weight0.02 kg
Package size155 × 107 × 10 mm

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Questions about this item

Does this 256GB SDXC card fit a standard full-size SD slot?

Yes, it uses the standard SDXC form factor and fits any device with a full-size SD card slot that supports the SDXC standard.

What is the correct way to insert the card so the UHS-I interface is recognised?

Align the label side up, insert the card straight until it clicks, and ensure the host device supports UHS-I to enable the 180MB/s read speed.

When should I replace the card to keep 4K UHD recording reliable?

Replace it if you notice dropped frames during 4K UHD (3840 x 2160) capture, if write speeds fall below the V30 sustained 30MB/s rating, or after heavy, long-term use.

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