Datasheet

Chelsio T4-based 10GbE Unified Wire Adapters for IBM Intelligent Cluster and iDataPlex 4
Comparison of the adapter cards
Table 2 compares the Chelsio Unified Wire 10GbE adapters.
Table 2. Ordering part numbers and feature codes
Adapter T420-CR T440-CR T420-BCH T420-SO-CR
IBM part number 46M2237 46M2241 46M2245 81Y8021
Number of ports 2x 10 G 4x 10 G 2x 10 G 2x 10G
Connector type SFP+ cage SFP+ cage BladeCenter CFFh SFP+ cage
Host interface PCIe x8 Gen 2 PCIe x8 Gen 2 PCIe x8 Gen 2 PCIe x8 Gen 2
Form factor Low Profile Half size BladeCenter CFFh Low profile
Connection
capacity
32 K 32 K 32 K 128
Full TCP offload Yes Yes Yes Yes
Full UDP/multicast
offload
Yes Yes Yes No
Full iWARP RDMA
offload
Yes Yes Yes No
Full iSCSI offload Yes Yes Yes Yes
Full FCoE offload Yes Yes Yes Yes
SR-IOV,
VEB/VEPA
Yes Yes Yes Yes
Op-iSCSI Yes Yes Yes Yes
Op-FCoE Yes Yes Yes Yes
Power 11.94 W 12.65 W 12.60 W 8.86 W
Recommended for Unified Wire: RDMA,
TOE,
NIC, iSCSI, FCoE
virtualization
Unified wire: RDMA,
TOE,
NIC, iSCSI, FCoE
virtualization
Unified Wire: RDMA,
TOE, NIC,
iSCSI, FCoE
virtualization
Unified Wire: NIC,
TOE,
iSCSI, FCoE
virtualization
Specifications
The Chelsio Unified Wire 10GbE adapters have the specifications listed below.
Host interface:
PCI Express Gen2 x8
z
MSI-X, MSI, and support for legacy pin interrupts
z
Network interfaces:
10GBASE-SR short-reach optics (850 nm)
z
10GBASE-LR long-reach optics (1310 nm)
z