Specifications
MCX621102A[C/E/N]-ADAT Specifications
Physical Size: 5.59in. x 2.71in (142.00mm x 68.90mm)
Connector: Dual SFP28 Ethernet (copper and optical)
Protocol 
Support
Data Rate: Ethernet 1/10/25 Gb/s
Ethernet: 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, 8 lanes (2.0 and 1.1 compatible)
Power 
Specificatio
ns
(a)
Voltage: 12V
Power Cable PCIe Gen 3.0 PCIe Gen 4.0
Typical Power
(b)
Passive Cables 10.88W 11.29W
Maximum Power Passive Cables 15.55W 15.96W
Maximum power available through SFP28 port: 1.5W (per port)
Voltage: 3.3Aux
Maximum current: 100mA
Environmen
tal
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)
Cable Type Hot Aisle - Heatsink to Port
Passive Cable 200LFM
Active 0.8W Cable 400 LFM
Active 1.5W Cable 450LFM
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.