The HPE Ethernet 10/25Gb 2-port 640FLR-SFP28 adapter for ProLiant Gen9 rack servers provides full-featured, high performance, converged 25Gb Ethernet that accelerates IT services and increases data center efficiency across a broad range of I/O intensive enterprise, cloud and Telco workloads. It offers a rich set of offload technologies including overlay network tunneling and storage as well as RDMA over Converged Ethernet (RoCE) capabilities that increase host efficiency and virtualization performance. The HPE Ethernet 640FLR-SFP28 can provide up to 100Gb/s of converged bi-directional Ethernet bandwidth, helping to alleviate network bottlenecks. This adapter can also run at 10Gb for customers who have not changed the infrastructure/switches to 25Gb yet.

QuickSpecs

HPE Quickspecs

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Network Processor	Mellanox ConnectX-4 Lx
Data Rate	Two ports, each at 50Gb/s bi-directional; 100Gb/s aggregate bi-directional theoretical bandwidth
Bus type	PCI Express 3.0 (Gen 3) x8
Form Factor	FlexibleLOM
IEEE Compliance	802.3ae, 802.1Q, 802.3x, 802.1p, 802.3ad/LACP, 802.1AB(LLDP), 802.1Qbg, 802.1Qbb, 802.1Qaz, 802.3az, 802.3AS, 802.1Qau, IEEE 1588v2
Connector	Two SFP28 (SR, DAC)
Power	10.5W typical, 14W maximum
Temperature - Operating	5° to 60° C (41° to 140° F)
Temperature - Non-Operating	40° to 70° C (-40° to 158° F)
Humidity - Operating	8% to 90% relative humidity
Humidity - Non-operating	Minimum to be the higher (more moisture) of -12°C (10.4°F) dew point or 8% relative humidity. Maximum to be the lower (less moisture) of 24°C (75.2°F) dew point or 90% relative humidity. non-condensing.
RoHS Compliance	RoHS compliance 6 of 6
Other	PCIe 3.0 Pv4, IPv6 CE Microsoft WHQL (Windows Hardware Quality Labs)