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Please make sure to install the ConnectX-6 Dx OCP 2.0 card in a PCIe slot that is capable of supplying the power levels mentioned below for the appropriate use case

MCX623405AC-CDAN/MCX623405AN-CDAN Specifications

Physical

Dimensions: 4.33 in. x 3.07 in (110.05mm x 78.00mm)

Connector: Single QSFP56 Ethernet (copper and optical)
Protocol Support

Ethernet: 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, 100GBASE-CR2, 100GBASE-KR2, 100GBASE-SR2

Data Rate:Ethernet1/10/25/40/50/100 Gb/s
PCI Express Gen3/4: SERDES @ 8.0GT/s/16Gt/s, 16 lanes (2.0 and 1.1 compatible)
Note: PCIe 4.0 x16 bus can supply a maximum bandwidth of 256Gb/s only (=16 * 16GT/s, including overhead).
Power and Airflow









Voltage: 3.3VAUX, 5VAUX, 12V
PowerCable TypeActive ModeSTBY Mode

Typical Power(b)

Passive Cables17.5W6.4W
Maximum PowerPassive Cables23.1W10.5W
1.5W Active Cables27.2W14.6W
Maximum power available through QSFP56 port: 3.5W


Airflow(b)

Cable TypeHot Aisle @55°C 
HSK to Port
Cold Aisle @35°C 
Port to HSK
Active ModeStandby ModeActive ModeStandby Mode
Passive Cable

TBD

TBD40PWM20PWM
Active 4.55W CableTBDTBD50PWM20PWM
Environmental

Temperature

Operational

0°C to 55°C

Non-operational

-40°C to 70°C(c)

Humidity

Operational

10% to 85% relative humidity 

Non-operational10% to 90% relative humidity 
Altitude (Operational)3050m

RegulatorySafety

CB / cTUVus / CE

EMCCE / FCC / VCCI / ICES / RCM
RoHSRoHS compliant

a. Typical power for ATIS traffic load.
b. The thermal test was performed in a Yosemite V2 server.
c. The non-operational storage temperature specifications apply to the product without its package.

MCX623405AC-VDAN/MCX623405AN-VDAN Specifications

Physical

Dimensions: 4.33 in. x 3.07 in (110.05mm x 78.00mm)

Connector: Single QSFP56 Ethernet (copper and optical)
Protocol Support

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, 100GBASE-CR2, 100GBASE-KR2, 100GBASE-SR2

Data Rate:Ethernet1/10/25/40/50/100/200 Gb/s
PCI Express Gen3/4: SERDES @ 8.0GT/s/16Gt/s, 16 lanes (2.0 and 1.1 compatible)
Note: PCIe 4.0 x16 bus can supply a maximum bandwidth of 256Gb/s only (=16 * 16GT/s, including overhead).
Power and Airflow







Voltage: 3.3VAUX, 5VAUX, 12V
PowerCable TypeActive ModeSTBY Mode

Typical Power(a)

Passive Cables18.9W5.8W
Maximum PowerPassive Cables24.4W11.7W
1.5W Active Cables30.3W17.7W
Maximum power available through QSFP56 port: 3.5W


Airflow(b)

Cable TypeHot Aisle @55°C 
HSK to Port
Cold Aisle @35°C 
Port to HSK
Active ModeStandby ModeActive ModeStandby Mode
Passive Cable

TBD

TBD40PWM20PWM
Active 4.55W CableTBDTBD50PWM20PWM
Environmental

Temperature

Operational

0°C to 55°C

Non-operational

-40°C to 70°C(c)

HumidityOperational

10% to 85% relative humidity 

Non-operational10% to 90% relative humidity 
Altitude (Operational)3050m
RegulatorySafety

CB / cTUVus / CE

EMCCE / FCC / VCCI / ICES / RCM
RoHSRoHS compliant

a. Typical power for ATIS traffic load.
b. The thermal test was performed in a Yosemite V2 server.
c. The non-operational storage temperature specifications apply to the product without its package.

Board Mechanical Drawing and Dimensions

All dimensions are in millimeters. The PCB mechanical tolerance is +/- 0.13mm.

ConnectX-6 Dx OCP 2.0 Mechanical Drawing and Dimensions