| Main Specifications |
| Device Type | Network adapter - 2 ports |
| Form Factor | Plug-in Card |
| Interface (Bus) Type | PCIe 3.0 x8 8GT/s |
| Dimensions (WxDxH) | 14.2cm x 6.9cm |
| PCI Specification Revision | PCIe Base 3.0 compliant, 1.1 and 2.0 compatible |
| 2.5, 5.0, or 8.0GT/s link rate x8 – Auto-negotiates to x8, x4, x2, or x |
| PCIe Base 3.0 compliant, 1.1 and 2.0 compatible |
| Support for MSI/MSI-X mechanisms |
| Host Connectivity | Interoperable with InfiniBand or 10/40 Ethernet switches. Interoperable with 56GbE Mellanox Switches, Passive copper cable with ESD protection, Powered connectors for optical and active |
| InfiniBand | IBTA Specification 1.2.1 compliant, Hardware-based congestion control, 16 million I/O channels, 256 to 4Kbyte MTU, 1Gbyte messages |
| CPU Offloads | RDMA over Converged Ethernet, TCP/UDP/IP stateless offload, Intelligent interrupt coalescence |
| Networking |
| Enhanced InfiniBand | Hardware-based reliable transport, Collective operations offloads, GPU communication acceleration, Hardware-based reliable multicast, Extended Reliable Connected transport, Enhanced Atomic operations |
| Ethernet | IEEE Std 802.3ae 10 Gigabit Ethernet, IEEE Std 802.3ba 40 Gigabit Ethernet, IEEE Std 802.3ad Link Aggregation and Failover, IEEE Std 802.3az Energy Efficient Ethernet, IEEE Std 802.1Q, .1p VLAN tags and priority, IEEE Std 802.1Qau Congestion Notification, IEEE P802.1Qaz D0.2 ETS, IEEE P802.1Qbb D1.0 Priority-based Flow Control, Jumbo frame support (9600B) |
| Hardware-based I/O Virtualization | Single Root IOV, Address translation and protection, Dedicated adapter resources, Multiple queues per virtual machine, Enhanced QoS for vNICs, VMware NetQueue support |
| Protocols | Open MPI, OSU MVAPICH, Intel MPI, MS, MPI, Platform MPI, TCP/UDP, EoIB, IPoIB, RDS, SRP, iSER, NFS RDMA, uDAPL |
| Software / System Requirements |
| OS Supports | Citrix XenServer 6.1, Novell SLES, Red Hat Enterprise Linux (RHEL), and other Linux distributions, Microsoft Windows Server 2008/2012, OpenFabrics Enterprise Distribution (OFED), Ubuntu 12.04, VMware ESXi 4.x and 5.x |
| Miscellaneous |
| Cables Required | QSFP to SFP+ connectivity through QSA module |
| RoHS | Yes |