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Two black rugged SD cards and a matching UHS-II USB 3.1 card reader

Sony

Sony SF-M 128GB Tough SD 2-Pack + UHS-II USB 3.1 Reader

SKU CH-67HG-2QGYY

Two 128 GB Tough SD cards plus a UHS-II USB 3.1 reader, drop-proof to 16.4 ft and IP68 rated

  • Dimensions8.30 L x 6.30 W x 4.60 H inches
  • Weight0.93 pounds
  • Regulatorynot_capable_emitting_rf_energy
  • Two 128 GB cards plus UHS-II reader ready for any shoot
  • Reads up to 277 MB/s and writes up to 150 MB/s for 4K workflow
  • Survives 16.4 ft drops and 16.4 ft water depth for 72 hours
  • 18× bending resistance and switch-less one-piece mold prevent breakage
  • IP68 dustproof and waterproof rating protects data in harsh conditions

Rugged 128 GB SD duo for demanding shoots

This bundle supplies two Sony SF-M Tough SD cards rated at 128 GB each, built for photographers and videographers who work in harsh conditions. The one-piece moulded shell removes the write-protect switch and connector ribs that can snap on standard cards. IP68 sealing lets the cards survive immersion at 16.4 feet for 72 hours and total dust ingress. Drop tolerance is also rated to 16.4 feet onto hard surfaces.

277 MB/s read and 150 MB/s write decide fit

The single specification that determines whether this kit matches a workflow is the sequential transfer ceiling: up to 277 MB/s read and up to 150 MB/s write on UHS-II. Cameras that can sustain those rates will clear buffers faster during 4K or high-frame-rate capture. Slower hosts will still function but cannot exploit the headroom these cards provide.

UHS-II reader unlocks the rated bandwidth

The included Sony UHS-II USB 3.1 reader (MRW-S1) connects via a USB 3.1 Gen 1 interface so the cards can transfer at their quoted speeds to a computer. Without a UHS-II reader, offloads would fall back to UHS-I rates. The reader adds no software; it appears as a mass-storage device on Windows, macOS and Linux.

Highlights

  • Two 128 GB cards plus UHS-II reader ready for any shoot
  • Reads up to 277 MB/s and writes up to 150 MB/s for 4K workflow
  • Survives 16.4 ft drops and 16.4 ft water depth for 72 hours
  • 18× bending resistance and switch-less one-piece mold prevent breakage
  • IP68 dustproof and waterproof rating protects data in harsh conditions

Specifications

BrandSony
ModelSF-M Series
Part NumberMRW-S1_K20
Dimensions8.30 L x 6.30 W x 4.60 H inches
Weight0.93 pounds
Regulatorynot_capable_emitting_rf_energy

Questions about this item

What does the 277 MB/s read speed mean when I put the card in my camera?

The 277 MB/s read speed lets you offload full 128 GB cards to a computer quickly, cutting ingest time after a shoot.

How does the UHS-II USB 3.1 reader limit transfer rates in practice?

The UHS-II reader supports the card's 277 MB/s read and 150 MB/s write speeds over USB 3.1, so the interface does not bottleneck the card.

What physical space do the two cards and reader need in my bag?

The bundle measures 8.3 by 6.3 by 4.6 inches and weighs 0.93 pounds, fitting easily in a camera bag compartment.

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