// Data Connectors

CFexpress Type B

CFexpress Type B uses PCIe 3.0 x2 NVMe for read speeds up to 1.7 GB/s, used in professional cameras for 8K video and high-speed burst shooting.

// Specifications

Standard

CFexpress 2.0

Interface

PCIe 3.0 x2 NVMe

Max Read

1700 MB/s

Max Write

1500 MB/s

Use Case

Pro cameras 8K video burst

// 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
5	PCIe0 RX+	PCIe lane 0 RX positive	BUS
6	PCIe0 RX-	PCIe lane 0 RX negative	BUS
8	PCIe1 TX+	PCIe lane 1 TX positive	BUS
9	PCIe1 TX-	PCIe lane 1 TX negative	BUS
11	PCIe1 RX+	PCIe lane 1 RX positive	BUS
12	PCIe1 RX-	PCIe lane 1 RX negative	BUS
14	REFCLK+	Reference clock positive	BUS
15	REFCLK-	Reference clock negative	BUS
16	VCC	3.3V power	PWR
18	PERST#	PCIe reset active low	I/O