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Green dual-port rNDC network card with two SFP28 cages

DELL

DELL 6WMMV Broadcom 57414 Dual Port SFP28 25 Gbps PCIe 3.0 x8 rNDC server accessory

SKU CH-ESD0-EB9XM MPN 6WMMV

Dual-port 25 Gbps SFP28 network adapter in rNDC form factor for Dell servers

  • Product colorGreen
  • Dual-port 25 Gbps throughput for high-density server links
  • PCIe 3.0 x8 interface fits rNDC daughter-card slots
  • Broadcom 57414 controller delivers proven wired reliability
  • Validated on Dell systems with Dell technical support
  • SFP28 connectors enable flexible fibre or copper uplinks

Dual-Port 25 Gbps SFP28 rNDC Adapter

This Dell 6WMMV Broadcom 57414 card adds two 25 Gbps SFP28 ports to compatible Dell servers using the rNDC daughter-card slot. It is intended for administrators who need wired 25 Gbps Ethernet connectivity on validated Dell platforms.

PCIe 3.0 x8 bandwidth ceiling

The adapter connects through a PCI Express 3.0 x8 electrical interface, which caps total throughput at the lane speed of that generation. Both SFP28 ports share this single upstream link, so simultaneous line-rate traffic on both ports cannot exceed the x8 aggregate bandwidth.

Verify rNDC slot and SFP28 optics

Before ordering, confirm that the target server has an available rNDC connector and that the chassis can accommodate the daughter-card form factor. You will also need compatible 25 Gbps SFP28 transceivers and cabling, which are not included with the card.

How it compares

Measured against everything we stock in Drive Cages & Server Add-Ons, at today’s prices. Recalculated every night.

Price $130.99
Pricier than about 68% of the 1,119 comparable items (median $74.99).

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Specifications

Product
Brand nameDell
Model nameBroadcom 57414
Part number6WMMV
Product typeOther
Product colorGreen
Size & build
Shipping weight0.68 kg
Package size229 × 152 × 76 mm

Questions about this item

Should I pick the 25 Gbps dual-port model or a single-port alternative?

The card provides two SFP28 ports, each running at 25 Gbps, so you get twice the throughput of a single-port adapter in the same rNDC slot.

What does 25 Gbps mean for actual server throughput?

Each port can move up to 25 Gbps of wired traffic; real-world throughput depends on the switch, cabling and workload but will not exceed that line rate.

How does the PCIe 3.0 x8 interface limit performance?

The x8 lane width caps the host bus at the PCIe 3.0 x8 maximum, so the two 25 Gbps ports share that bandwidth ceiling.

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