IBM 2/4 Port Ethernet Expansion Card CFFH For BC
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Product Information for IBM 2/4 Port Ethernet Expansion Card CFFH For BC

Highlights for IBM 2/4 Port Ethernet Expansion Card CFFH For BC

  • First TCP offload engine (TOE) on an Ethernet expansion card
  • Full fast-path TCP offload
  • TCP, IP checksum offload
  • TCP, segmentation offload
  • PXE 2.0 remote boot support

The IBM 2/4 Port Ethernet Expansion Card (CFFh) for IBM BladeCenter is the perfect example of IBM's goal to meet user requirements in the BladeCenter environment. In addition to the two onboard Ethernet ports, this card allows the client to add up to four (in IBM BladeCenter H chassis) or two (in BladeCenter S) extra 1 Gb ports thereby allowing them to leverage the benefits of 6/4 ports per blade. This card provides support for up to four Low Speed Switch Module (LSSM) switches within the Multi-Switch Interconnect Module (MSIM) in BC-H chassis (1 LSSM switch in BC-S).

Product Specifications


  • Device Type:  Network adapter
  • Form Factor:  Plug-in card
  • Interface (Bus) Type:  PCI Express x4


  • Connectivity Technology:  Wired
  • Data Link Protocol:  Gigabit LAN
  • Data Transfer Rate:  1 Gbps

Expansion / Connectivity

  • Interfaces:  X network
  • Compatible Slots:  1 x PCI Express x4


  • Compliant Standards:  FCC Class A certified, C-Tick, CISPR 22 Class A, EN55022, VCCI-II, EN55024, UL 60950-1, CSA C22.2 No. 60950-1-03

Dimensions & Weight

  • Width:  0.5 in
  • Depth:  6.3 in
  • Height:  4.9 in
  • Weight:  3.5 oz

Manufacturer Warranty

  • Service & Support:  1 year warranty
  • Service & Support Details:  Limited warranty - replacement - 1 year

Environmental Parameters

  • Min Operating Temperature:  50 °F
  • Max Operating Temperature:  95 °F
  • Humidity Range Operating:  8 - 80%

Compatibility Information

  • Designed For:
    • IBM BladeCenter HS12
    • IBM BladeCenter HS21
    • IBM BladeCenter HS21 XM
    • IBM BladeCenter HS22
    • IBM BladeCenter HS23 7875
    • IBM BladeCenter JS12
    • IBM BladeCenter JS22
    • IBM BladeCenter LS21
    • IBM BladeCenter LS41
    • IBM BladeCenter PN41