Nvidia MCX545B-CCUN - MCX545 B-GCUN Specifications

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a. Typical power for ATIS traffic load.
b. For both operational and non-operational states.
c. Airflow is measured on ambient 55°.
MCX545B-GCUNSpecifications
Physical
Size: 3.07 in. x 4.33 in (78.00mm x 110.05mm)
Connector: Single QSFP28 Ethernet (copper and optical)
Protocol
Support
Ethernet: 50GBASE-R2, 50GBASE-R4, 40GBASE-CR4, 40GBASE-KR4, 40GBASE-SR4,
40GBASE-LR4, 40GBASE-ER4, 40GBASE-R2, 25GBASE-R, 20GBASE-KR2, 10GBASE-LR,
10GBASE-ER, 10GBASE-CX4, 10GBASE-CR, 10GBASE-KR, SGMII, 1000BASE-CX, 1000BASE-
KX, 10GBASE-SR
Data Rate: 1/10/25/40/50 Gb/s
PCI Express Gen3: SERDES @ 8.0GT/s (respectively), 16 lanes (2.0 and 1.1 compatible)
Power
Voltage: 3.3VAUX, 5VAUX, 12V
Power Cable Type
Typical Power
(a)
Passive Cables 13.77W
Maximum Power Passive Cables 16.35W
1.5W Active Cables 17.85W
Maximum power available through QSFP28 port:3.5W
Environme
ntal
Temperature Operational 0°C to 55°C
Non-operational -40°C to 70°C
Humidity
90% relative humidity
(b)
Altitude (Operational) 3050m
Airflow tested in a
ducted tunnel
(c)
Cable Type Heatsink to
Port
Port to Heatsink
Passive Cable 400LFM 400LFM
Active 3.5W Cable Not Supported 800LFM
Regulatory
Safety CB / cTUVus / CE
EMC CE / FCC / VCCI / ICES / RCM
RoHS RoHS compliant
a. Typical power for ATIS traffic load.
b. For both operational and non-operational states.
c. Airflow is measured on ambient 55°.