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CFexpress Type C

CFexpress Type C is a proposed larger format using four PCIe 4.0 lanes for theoretical speeds exceeding 6 GB/s. Intended for cinema cameras and high-bitrate RAW video recording applications.

// Specifications
Standard
CompactFlash Association CFexpress Type C
Interface
PCIe 4.0 x4 NVMe
Max Speed
Over 6 GB/s theoretical
Dimensions
Larger than Type B
Status
Emerging not widely deployed
Use Case
Future cinema cameras 8K RAW video recording
// Pin Reference Table
Pin Name Function Type
1 GND Ground GND
2 PCIe0 TX+ PCIe lane 0 TX positive BUS
3 PCIe0 TX- PCIe lane 0 TX negative BUS
4 PCIe1 TX+ PCIe lane 1 TX positive BUS
5 PCIe1 TX- PCIe lane 1 TX negative BUS
6 PCIe2 TX+ PCIe lane 2 TX positive BUS
7 PCIe2 TX- PCIe lane 2 TX negative BUS
8 PCIe3 TX+ PCIe lane 3 TX positive BUS
9 PCIe3 TX- PCIe lane 3 TX negative BUS
10 VCC 3.3V power PWR