The FCI SFP SMT terminated card edge connector has 20 positions with 0.8mm spaced contacts. The QSFP metal cage and EMI fingers are copper alloy with the cage being Nickel plated and the fingers Tin plated. The QSFP edge card connector and cage are designed to meet all signal integrity requirements and EMI requirements as defined by the SFF-8436 and 8461 specifications.
For FCI SFP cable assemblies see stock number 721-1503 typical.