Dell POWEREDGE M1000E - Manual (Page 42)

Mellanox Blades
• For high performance computing (HPC) & low latency applications
• Available in redundant switch configuration
• Full non-blocking throughput
Infiniband
42 Dell M-Series Blade I/O Guide
Models M4001F M4001T
Speed FDR FDR10
Data rate 56Gbps 40Gbps
Total ports 32 (16 internal and 16 external)