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SanDisk Extreme Pro SDXC UHS-II 128GB memory card, black rectangular shape with red label

SanDisk

SanDisk Extreme Pro SDXC UHS-II 128GB 300MB/s Memory Card

SKU CH-ABAK-KG1DC

Full-size SDXC card delivers up to 300 MB/s read and 260 MB/s write with UHS-II Class 10 performance for 4K video and rapid burst shooting

  • Card typeFull Size SD
  • TypeSecure Digital Extended Capacity (SDXC)
  • Capacity128GB
  • Speed Class RatingUHS-II / Class 10
  • Read Speedup to 300 MB/s
  • Write Speedup to 260 MB/s

Capacity 128GB

  • Read speeds up to 300 MB/s accelerate post-production workflow
  • Write speeds up to 260 MB/s handle rapid burst shots and RAW+JPEG capture
  • UHS Speed Class 3 rating supports cinema-quality 4K video recording
  • 128 GB capacity stores extended high-resolution sessions
  • UHS-II interface optimised for professional cameras and camcorders

Professional UHS-II SDXC card

The SanDisk Extreme Pro SDXC UHS-II card offers 128GB capacity with read speeds up to 300 MB/s and write speeds up to 260 MB/s. It carries UHS Speed Class 3 (U3) and Class 10 ratings for sustained performance. Designed for professional photographers and videographers who need reliable high-speed capture.

Check camera UHS-II support

Verify that your camera or camcorder supports the UHS-II standard to utilise the card's full transfer and write speeds. The card is a full-size SD form factor, so confirm your device accepts SDXC media. Without UHS-II compatibility, speeds will fall back to the host device's maximum capability.

Upgrade from UHS-I or slower cards

Replaces UHS-I or standard Class 10 cards when burst shooting, RAW plus JPEG capture, or 4K video recording demand higher sustained write throughput. The jump is worth it for workflows that need up to 260 MB/s write speeds to avoid buffer delays. Not for users whose devices only support UHS-I or lower bus interfaces.

Highlights

  • Read speeds up to 300 MB/s accelerate post-production workflow
  • Write speeds up to 260 MB/s handle rapid burst shots and RAW+JPEG capture
  • UHS Speed Class 3 rating supports cinema-quality 4K video recording
  • 128 GB capacity stores extended high-resolution sessions
  • UHS-II interface optimised for professional cameras and camcorders

Specifications

BrandSanDisk
Card typeFull Size SD
SeriesExtreme Pro
ModelSDXPK-128G-G64
TypeSecure Digital Extended Capacity (SDXC)
Capacity128GB
Speed Class RatingUHS-II / Class 10
Read Speedup to 300 MB/s
Write Speedup to 260 MB/s
OptionN/A

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Questions about this item

Does the SanDisk Extreme Pro SDXC UHS-II 128GB card ship with a reader or adapter, or must I buy one separately?

The package contains only the 128GB SDXC card itself; a UHS-II compatible reader or SD-to-USB adapter is not included and must be purchased separately.

The supplier lists 32GB, 64GB and 128GB versions — which capacity suits 4K video and long burst sequences best?

The 128GB model gives the most recording time for U3-rated 4K video and extended RAW+JPEG bursts, while 64GB and 32GB hold proportionally less footage.

In a real camera the box quotes 300MB/s read — what sustained write speed can I expect when shooting 4K?

The card is rated for up to 260MB/s write and carries U3 Class 10, so it sustains the minimum 30MB/s needed for cinema-quality 4K recording.

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