Dell PowerEdge M820 Technical Manual page 26

The M820 provides four PCIe 3.0 mezzanine connectors for add-in cards. The M820 has been
designed to be PCIe 3.0 compliant in order to take full advantage of the processor capabilities.
Table 14 lists the supported mezzanine cards for the M820.
Type
1Gb/10Gb NICs
FC4/FC8 adapters
Infiniband
For the latest information on supported mezzanine cards for the M820, visit Dell.com.
PowerEdge M820 Technical Guide
26
Adapter
Broadcom 5719 Serdes 4P 1Gb
Intel I350 Serdes 4P 1Gb
Broadcom 57810S-k 2P 10Gb
Intel X520-x/k 2P 10Gb
Qlogic QME8262-k 2P 10Gb
Brocade BR1741M-k 2P 10Gb
QLogic QME2572 2P 8Gb
Emulex LPe1205-M 8GB
Mellanox QDR CX-3 40Gb
Mellanox FDR CX-3 56Gb