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Green PCB dual-port Gigabit Ethernet card with two RJ45 jacks and PCIe x1 edge connector

Broadcom

Broadcom BCM95720A2003AC dual-port 1GBASE-T PCIe 2.0 x1 network card

SKU CH-P3MT-675Y1 MPN BCM95720A2003AC

Dual-port 1GBASE-T PCIe 2.0 x1 adapter with two RJ45 connectors, Energy Efficient Ethernet and virtualization queue support

  • StandardsIEEE 802.1Q, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3i, IEEE 8
  • Speed10/100/1000Mbps
  • Connectors2 x RJ45
  • InterfacePCI Express 2.0 x1
  • TemperatureOperating Temperature: 32 ~ 131 degree Fahrenheit
  • HumidityOperating Humidity: 5% ~ 95% non-condensing
  • Dual 1GBASE-T ports connect two copper links
  • PCI Express 2.0 x1 host interface fits low-profile slots
  • Energy Efficient Ethernet to IEEE 802.3az cuts idle power
  • VMware NetQueue and Microsoft VMQ virtualization queues accelerate multi-VM traffic
  • Wake-on-LAN enables remote power-up over the network

Dual-port 1GBASE-T server adapter

The Broadcom BCM95720A2003AC is a dual-port 1GBASE-T PCIe network card built for enterprise servers and data-centre workloads. It delivers two independent copper Ethernet connections through a single PCI Express 2.0 x1 slot, adding line-rate throughput for virtualised hosts or storage networks. The adapter targets administrators who need reliable, standards-based connectivity without occupying a larger slot.

PCI Express 2.0 x1 interface

The single specification that determines fit is the PCI Express 2.0 x1 host interface, which limits the card to one lane of second-generation bandwidth. Each port runs at 10/100/1000Mbps and supports IEEE 802.3az Energy Efficient Ethernet, IEEE 802.1Q VLAN tagging and IEEE 802.3x flow control. The controller provides 17 receive queues, 16 transmit queues and 17 MSI-X vectors for VMware NetQueue and Microsoft VMQ virtualization offload.

Low-profile slot and copper cabling

Installation requires an available PCIe 2.0 x1 or larger slot and two RJ45 Category 5e or better cables for copper links up to 100 metres. The card operates between 32 and 131 degrees Fahrenheit at 5 to 95 percent non-condensing humidity, so standard server airflow is sufficient. It frees a wider PCIe slot for storage or GPU expansion while adding dual gigabit ports for redundancy or link aggregation.

Highlights

  • Dual 1GBASE-T ports connect two copper links
  • PCI Express 2.0 x1 host interface fits low-profile slots
  • Energy Efficient Ethernet to IEEE 802.3az cuts idle power
  • VMware NetQueue and Microsoft VMQ virtualization queues accelerate multi-VM traffic
  • Wake-on-LAN enables remote power-up over the network

Specifications

BrandBroadcom
ModelBCM95720A2003AC
StandardsIEEE 802.1Q, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3i, IEEE 802.3u, IEEE 802.3x
Speed10/100/1000Mbps
Connectors2 x RJ45
InterfacePCI Express 2.0 x1
TemperatureOperating Temperature: 32 ~ 131 degree Fahrenheit
HumidityOperating Humidity: 5% ~ 95% non-condensing
Windows VistaMicrosoft Windows Server 2008, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012, Red Hat Enterprise Linux 5.8, Red Hat Enterprise Linux 5.9, Red Hat Enterprise Linux 6.3, Red Hat Enterprise Linux 6.4, SuSE Linux Enterprise Server 10 SP3, SuSE Linux Enterprise Server 10 SP4, SuSE Linux Enterprise Server 11 SP2, SuSE Linux Enterprise Server 11 SP3
Shipping weight0.22 kg
Package size241 × 165 × 32 mm

Questions about this item

Will the dual 1GBASE-T ports run at full line rate on a PCIe 2.0 x1 slot?

Yes, the BCM5720 controller provides a separate PCI Express function for each port and is designed to deliver full line-rate throughput across both 10/100/1000 Mbps links on a PCIe 2.0 x1 interface.

Which IEEE standards limit the practical speed and cabling of the two RJ45 ports?

The ports comply with IEEE 802.3ab for 1000BASE-T over Cat 5e or better, IEEE 802.3u for 100BASE-TX, IEEE 802.3i for 10BASE-T, and IEEE 802.3x for flow control, capping each link at 1 Gbps.

What slot length and bracket height does the BCM95720A2003AC need to fit in a server chassis?

The card uses a standard PCI Express 2.0 x1 edge connector, so it fits any x1, x4, x8 or x16 slot and accepts a full-height bracket; low-profile brackets are not included.

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