Mellanox ConnectX-2 Dual Port 10 GbE Adapter for IBM System x
3
In data mining or web crawl applications, RDMAoE provides the needed boost in performance to search
faster by solving the network latency bottleneck associated with I/O cards and the corresponding
transport technology in the cloud. Various other applications that benefit from RDMAoE with ConnectX-2
EN include Web 2.0 (Content Delivery Network), Business intelligence, data base transactions and
various Cloud computing applications.
Mellanox ConnectX-2 EN low power consumption, less than 3.5W per port, provides customers high
bandwidth and low latency at the lowest cost of ownership.
I/O virtualization
ConnectX-2 EN with Virtual Intelligent Queuing (Virtual-IQ) technology provides dedicated adapter
resources and guaranteed isolation and protection for virtual machines within the server. The adapter
gives data center managers better server utilization and LAN and SAN unification while reducing cost,
power, and cable complexity.
Quality of Service
Resource allocation per application or per virtual machine is provided by the advanced QoS supported by
ConnectX-2 EN. Service levels for multiple traffic types can be based on IETF DiffServ or IEEE 802.1p/Q,
allowing system administrators to prioritize traffic by application, virtual machine, or protocol.
Specifications
The adapter has the following specifications:
Low-profile adapter form factor
Ports: Two 10 Gigabit Ethernet ports with SFP+ connectors
ASIC: Mellanox ConnectX-2 EN
Cabling types: Direct Attached Copper, SR and LR Fiber Optic
Host interface: PCI Express 2.0 x8 (5.0 GT/s)
Features: Stateless Offload, Priority Flow Control
Power consumption: 6.4 W (typical)
Note: The adapter does not support FCoE.
Ethernet support and standards:
IEEE Std 802.3ae 10 Gigabit Ethernet
IEEE Std 802.3ad Link Aggregation and Failover
IEEE Std 802.3x Pause
IEEE 802.1Q, .1p VLAN tags and priority
IEEE P802.1au D2.0 Congestion Notification
IEEE P802.1az D0.2 Enhanced Transmission Selection
IEEE P802.1bb D1.0 Priority-based Flow Control
Multicast
Jumbo frame support (10KB)
128 MAC/VLAN addresses per port
TCP/UDP/IP stateless offload:
TCP/UDP/IP checksum offload
TCP Large Send Offload (< 64KB) or Giant Send Offload (64KB-16MB) for segmentation
Receive Side Scaling (RSS) up to 32 queues
Line rate packet filtering
