Nvidia MCX545B-CCUN - MCX542 B-AC[A;U]N Specifications

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MCX542B-AC[A/U]NSpecifications
Physical
Size: 2.67 in. x 4.33 in (68.00mm x 110.05mm)
Connector: Dual SFP28 Ethernet (copper and optical)
Protocol Support
Ethernet: 25GBASE-CR/CR-S, 25GBASE-SR, 25GBASE-LR, 25G Ethernet Consortium,
10GBASE-SR, 10GBASE-LR, 10GBASE-ER, SGMII / 1000BASE-X
Data Rate: 1/10/25 Gb/s Ethernet
PCI Express Gen3: SERDES @ 8.0GT/s (respectively), 8 lanes (2.0 and 1.1 compatible)
Power
Voltage: 3.3V_PCI, 3.3V_AUX, 5V_AUX, 12V
Power Cable Type
Typical Power
(a)
Passive Cables 9.51W
1.5W Active Cables 12.51W
Maximum Power Passive Cables 11.98W
1.5W Active Cables 14.98W
Maximum power available through QSFP28 port:1.5W
Environmental
Temperature Operational 0°C to 55°C
Non-operational -40°C to 70°C
Humidity
90% relative humidity
(b)
Altitude
(Operational)
3050m
Airflow
(c)
Cable Type Heatsink to Port Port to Heatsink
Passive Cable 400LFM 400LFM
Active 1.5W Cable NA 1200LFM
(In Mellanox 0.8W
Cables only)
Regulatory
Safety CB / cTUVus / CE
EMC CE / FCC / VCCI / ICES / RCM
RoHS RoHS compliant
Mellanox recommends populating MCX542B-ACAN in a standard PCIe x8 OCP connector
which exposes PCIe lanes in a straight manner.
In case the OCP slot exposes PCIe lanes in a reversed manner, MCX542B-ACAN supports
automatic lane reversal with FW image from April 2019 release and above.
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Please note that in standby mode, only port0 is available.
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