The NVIDIA MMA1Z00-NS400 Is An Infiniband And Ethernet 400gb/s, Single-port, Qsfp112, Sr4 Multimode Parallel Transceiver Using A Single, 4-channel Mpo-12/apc Optical Connector. The Short Reach 4-channel (sr4) Design Uses 100g-pam4 Modulation And Has A Maximum Fiber Reach Of 50-meters Using Om4 Multimode Fiber And Assumes Two Optical Patch Panels In The Link. It Has Identical Design And Internals As The Osfp Version, Only With Different Connector Shells. Transceiver Firmware Supports Both Infiniband And Ethernet And Is Automatically Enabled Depending On The Protocol Of The Switch Attached To. The Qsfp112 Shell Has A Flat-top And Utilizes The Riding Heat Sink (cooling Fins) On The Connectx-7 Or Bluefield-3 Connector Cage. The Small Bumps Near The Pull Tab Provide Additional Cooling And Remain Outside The Host Connector Cage