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SanDisk Extreme Go SDXC 128GB memory card, red and black label

SanDisk

SanDisk Extreme Go SDXC 128GB memory card

SKU CH-C4YP-XTY3A

A 128 GB SDXC card rated UHS-I U3 V30 delivers up to 230 MB/s read and 110 MB/s write for 4K UHD recording

  • Total capacity128 GB
  • Memory card formatSDXC
  • Speed classUHS-I U3 V30 4K UHD
  • Max read speedUp to 230 MB/s
  • Write throughputUp to 110 MB/s
  • Product typeSecure Digital Extended Capacity (SDXC)

Capacity 128GB

  • Capture 4K UHD video smoothly with UHS-I U3 V30 rating
  • Transfer files fast with read speeds up to 230MB/s
  • Record continuously with write speeds up to 110MB/s
  • Store hours of footage on 128GB capacity
  • Survive harsh conditions with temperature, water, shock and magnet proof design

Capacity and target use

This SanDisk Extreme Go SDXC card provides 128GB of storage for photographers and videographers who need reliable capture of high-resolution images and 4K UHD footage. The UHS-I U3 V30 rating supports sustained write performance for continuous recording without dropped frames.

Build quality and daily handling

NAND flash technology underpins the card's durability while the housing is temperature proof, waterproof, shock proof and magnet proof. These protections mean the card survives airport scanners, sudden drops, immersion and extreme climates without data loss.

Thermals, noise and power draw

Solid-state construction eliminates moving parts, so the card runs silently and generates negligible heat during read or write operations. Power draw is minimal, allowing extended shooting sessions on camera batteries without noticeable impact on runtime.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $37.99
Cheaper than about 57% of the 1,947 comparable items (median $46.99).
Total capacity 128 GB
Higher than about 60% of the 1,132 comparable items (median 64 GB).
Price per TB $296.80 per TB
Cheaper than about 60% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineExtreme Go
Model nameSDSDXGN-128G-GNCIN
Part numberSDSDXGN-128G-GNCIN
Total capacity128 GB
Product typeSecure Digital Extended Capacity (SDXC)
Performance
Speed classUHS-I U3 V30 4K UHD
Max read speedUp to 230 MB/s
Write throughputUp to 110 MB/s
Storage
Memory card formatSDXC

Other versions of this model

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Questions about this item

What does the UHS-I U3 V30 rating mean for real-world 4K video?

The U3 and V30 marks guarantee a minimum sustained write speed of 30 MB/s, which meets the bitrate demands of most 4K UHD cameras.

Will this 128 GB SDXC card fit my camera's standard SD slot?

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

How do I get the advertised 230 MB/s read speed when offloading footage?

Use a UHS-I card reader connected to a USB 3.0 or faster port; the card will not reach that rate over USB 2.0 or built-in laptop readers limited to lower speeds.

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