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SanDisk Extreme Pro 128GB CompactFlash card, black rectangular body with gold contacts

SanDisk

SanDisk Extreme Pro CFXPS-128G-X46 128GB CompactFlash memory card

SKU CH-Z215-266BC MPN CFXPS-128G-X46

128 GB CompactFlash card with up to 160 MB/s read and 150 MB/s write speeds for 4K video

  • Total capacity128 GB
  • Memory card formatFull Size SD
  • Speed classUDMA 7
  • Max read speedup to 160 MB/s
  • Write throughputup to 150 MB/s
  • Product typeCompact Flash (CF)

Capacity 128GB

Series Extreme Pro

  • 128GB capacity stores thousands of high-resolution images
  • Up to 160MB/s read speed enables fast file transfers
  • Up to 150MB/s write speed delivers quick shot-to-shot performance
  • VPG-65 guarantees sustained 65MB/s for cinema-quality 4K video
  • UDMA 7 rating supports professional-grade workflow demands

128 GB CompactFlash for pros

The SanDisk Extreme Pro CFXPS-128G-X46 is a 128 GB CompactFlash card rated for UDMA 7 speeds. It targets photographers and videographers who need reliable, high-throughput storage for continuous burst shooting and cinema-grade 4K capture. Sustained write performance is guaranteed at 65 MB/s under the VPG-65 specification. The card resists extreme temperatures and shock for demanding field use.

Installation is simple insertion

Slide the card into any CompactFlash slot that supports UDMA 7 and format it in-camera before first use. The 50-pin connector is keyed to prevent misalignment, so physical installation errors are rare. Most issues arise when the host device firmware is outdated or when the card is formatted with an incompatible file system, causing write errors or unrecognised media prompts.

Verify CompactFlash slot and UDMA 7 support

Before ordering, confirm that your camera or recorder accepts full-size CompactFlash cards and can utilise UDMA 7 transfer rates. Devices limited to older UDMA modes will still work but will not reach the rated 160 MB/s read or 150 MB/s write speeds. Also check that your workflow can handle 128 GB volumes, as some older firmware caps usable capacity at lower thresholds.

How it compares

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

Price $126.99
Pricier than about 78% 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 $992.11 per TB
Pricier than about 83% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineExtreme Pro
Model nameCFXPS-128G-X46
Total capacity128 GB
Product typeCompact Flash (CF)
Performance
Speed classUDMA 7
Max read speedup to 160 MB/s
Write throughputup to 150 MB/s
Storage
Memory card formatFull Size SD

Other versions of this model

5 more in the same range

Questions about this item

How can I verify the card is delivering the advertised 160MB/s read speed after setup?

Run a benchmark tool such as CrystalDiskMark or ATTO Disk Benchmark with a compatible CompactFlash reader; sequential read results should approach 160 MB/s and write results should approach 150 MB/s.

What is included in the box and do I need to buy a reader separately?

The package contains only the 128 GB CompactFlash card; a UDMA 7-capable CF card reader or a camera with a CF slot must be purchased separately.

Which capacity from the 16, 32, 64, 128, 256 GB line-up should I choose for 4K video with VPG-65?

All listed capacities meet the VPG-65 sustained 65 MB/s write guarantee; pick 128 GB or 256 GB for longer 4K sessions, or 64 GB if you offload footage daily.

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