Small form-factor pluggable (SFP) Most of 16GB SFP+ can support 4/8/16GB speed. Specific 16/10GB SFP cannot support 4G speed. Check HWU or SFP Capabilities which is reported in sysconfig -a to make su...Small form-factor pluggable (SFP) Most of 16GB SFP+ can support 4/8/16GB speed. Specific 16/10GB SFP cannot support 4G speed. Check HWU or SFP Capabilities which is reported in sysconfig -a to make sure the details. slot 3: Fibre Channel Target Host Adapter 3a (QLogic 8324 (8362) rev. Firmware rev: 8.9.0 Flash rev: 1.1.2 Host Port Addr: 2304a0 SFP Vendor Name: AVAGO SFP Vendor P/N: AFBR-57F5MZ-QL SFP Vendor Rev: SFP Serial No.: SFP Connector: LC SFP Capabilities: 4, 8, 16 Gbit/Sec