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Dell Mellanox ConnectX-4 Lx dual-port 25GbE SFP28 full-height network adapter

DELL

DELL Mellanox ConnectX-4 Lx CX4121C Dual 25GbE SFP28 FH (YGRX3) 540-BDIP

SKU CH-6JCX-Q0DS9

Dual-port 25GbE SFP28 adapter for Dell PowerEdge R440, R540, R640, R740, R740XD, R740XD2, R7425, R840, R940, R940XA, T640 and XR2 servers

  • TypeRack
  • Dual 25 GbE ports deliver high-speed connectivity
  • SFP28 interface supports 25 GbE transceivers
  • Full-height bracket fits standard rack servers
  • Validated for Dell PowerEdge R440, R540, R640, R740 families
  • Firmware updated and components tested for reliability

Dual-port 25GbE adapter for Dell PowerEdge

The Dell Mellanox ConnectX-4 Lx CX4121C provides two SFP28 ports running at 25GbE each. It is a full-height PCIe card designed for Dell PowerEdge servers including the R440, R540, R640, R740, R740XD, R740XD2, R7425, R840, R940, R940XA, T640 and XR2 models. The part number is 540-BDIP and the Dell ordering code is YGRX3.

Standard full-height thermal profile

As a full-height add-in card it relies on the server’s internal airflow for cooling. Power draw and acoustic contribution are determined by the host chassis fans and the workload on the two 25GbE links. Firmware has been updated and all components have been tested before shipment.

Dual 25GbE SFP28 connectivity

The card exposes two SFP28 cages so you can populate the transceivers or direct-attach cables that match your switch and cabling plan. This dual-port layout is the deciding factor for administrators who need two independent 25GbE links in a single PCIe slot.

Points forts

  • Dual 25 GbE ports deliver high-speed connectivity
  • SFP28 interface supports 25 GbE transceivers
  • Full-height bracket fits standard rack servers
  • Validated for Dell PowerEdge R440, R540, R640, R740 families
  • Firmware updated and components tested for reliability

Caractéristiques

BrandDELL
Model540-BDIP
TypeRack

Questions sur cet article

How do I install this full-height CX4121C card in a Dell PowerEdge R740?

Align the full-height bracket with an available PCIe slot in the R740, press firmly until the edge connector seats, then secure the retention screw before attaching SFP28 transceivers

What maintenance will the ConnectX-4 Lx 540-BDIP require over time?

Keep the heatsink fins clear of dust with periodic low-pressure air cleaning and verify firmware updates through Dell OpenManage for the CX4121C

What limit appears first when both 25GbE ports run sustained throughput on this YGRX3 adapter?

The PCIe 3.0 x8 host interface caps combined throughput at roughly 64 Gb/s, so the dual 25 GbE ports will saturate the bus before the controller does

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