MCX623105A[C/N/S/E]-VDATSpecifications
Physical Size: 5.59in. x 2.71in (142.00mm x 68.90mm)
Connector: Single QSFP56 Ethernet (copper and optical)
Protocol 
Support
Data Rate: Ethernet 1/10/25/40/50/100/200 Gb/s
Ethernet: 200GBASE-CR4, 200GBASE-KR4, 200GBASE-SR4, 100GBASE-CR4, 100GBASE-
KR4, 100GBASE-SR4, 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
PCI Express Gen 3.0/4.0: SERDES @ 16.0GT/s, 16 lanes (2.0 and 1.1 compatible)
Power 
Specifications
(a)
Voltage: 12V
Power Cable Type PCIe Gen 3.0 Gen 4.0
Typical Power
(b)
Passive Cables TBD 16.94W
Maximum Power Passive Cables TBD 24W
Maximum power available through QSFP56 port:5W (each port)
Voltage: 3.3Aux
Maximum current: 100mA
Environmental
Temperature Operational 0°C to 55°C
Non-operational -40°C to 70°C
Humidity
90% relative humidity
(c)
Altitude (Operational) 3050m
Airflow Requirements 
@ 55C
(d)(e)
Hot Aisle - Heatsink to Port
Passive Cable 600LFM
Active 4.55W 
Cable
950LFM
Regulatory
Safety CB / cTUVus / CE
EMC CE / FCC / VCCI / ICES / RCM
RoHS RoHS compliant
a.Power numbers are provided for passive cables only. For board power numbers while using active 
cables, please add the outcome of the following formula to the passive cables power numbers stated 
above:
Active_Module_Power
xN
umber_of_Modules
x1.1 (efficiency factor)
b. Typical power for ATIS traffic load.
c. For both operational and non-operational states.
d. Airflow is measured in wind tunnel.
e.Contact Mellanox for airflow numbers with other active modules' power levels.
Board Mechanical Drawing and Dimensions