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HPE P51178-B21 Broadcom BCM5719 1Gb 4-port Base-T network card, plug-in card with four twisted-pair ports on a metal bracket

HPE

HPE P51178-B21 Broadcom BCM5719 1Gb 4-port Base-T network card

SKU CH-0ZMH-R15EY MPN P51178-B21

Four-port 1 GbE Base-T adapter on PCI Express 2.0 with 128 MB/s throughput

  • Weight1.0000
  • Four 1Gb ports multiply throughput for busy networks
  • PCI Express 2.0 interface delivers 128 MB/s transfer rate
  • 1000Base-T support handles heavy traffic with low latency
  • Broadcom BCM5719 controller ensures stable wired connections
  • Plug-in card design fits standard server slots

Four-port 1GbE adapter for dense server I/O

The HPE P51178-B21 uses a Broadcom BCM5719 controller to deliver four 1000Base-T ports over a PCI Express 2.0 slot. It targets administrators who need multiple copper links in a single low-profile bracket for virtualisation hosts or storage nodes.

Replaces single- or dual-port NICs when port

Moving from one or two onboard ports to four discrete connections lets you segregate management, storage and VM traffic without adding extra cards. The jump is worth it when your chassis has limited slots but the workload demands separate physical networks.

Standard PCIe plug-in card

Installation follows the usual half-height bracket routine: seat the card, secure the screw, attach Cat5e or better patch cables. The main friction point is driver support — some hypervisors need an explicit VIB or kernel module before the ports appear.

Highlights

  • Four 1Gb ports multiply throughput for busy networks
  • PCI Express 2.0 interface delivers 128 MB/s transfer rate
  • 1000Base-T support handles heavy traffic with low latency
  • Broadcom BCM5719 controller ensures stable wired connections
  • Plug-in card design fits standard server slots

Specifications

BrandHPE
ModelP51178-B21
Weight1.0000
Shipping weight0.30 kg
Package size251 × 226 × 66 mm

Questions about this item

What PCIe slot version and physical size does the P51178-B21 require?

The adapter uses a PCI Express 2.0 plug-in card slot; ensure your server or workstation has an available x4 or larger PCIe 2.0 (or newer) slot for the four-port bracket.

Which driver step is most often missed when installing the BCM5719 quad-port adapter?

After seating the card, install the Broadcom BCM5719 driver package for your OS before configuring the four 1000Base-T ports; skipping the driver leaves the links at 100 Mb/s.

When should the 128 MB/s throughput limit prompt a port or module check?

If sustained traffic on any of the four twisted-pair ports drops well below 128 MB/s, inspect the Cat5e/6 cabling and switch port negotiation before considering adapter replacement.

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