ConnectX-4 VPI Single and Dual Port QSFP28 Adapter Card User Manual
Rev 1.9
Mellanox Technologies
45
7.6
MCX456A-ECAT Specifications
Table 12 - MCX456A-ECAT Specifications Table
Physical
Size:
2.71 in. x5.6 in. (68.90mm x 142.24 mm) – low profile
Connector:
Dual QSFP28 InfiniBand (Copper and optical)
Protocol Support
InfiniBand:
IBTA v1.3
Auto-Negotiation
a
: 1X/2X/4X SDR (2.5Gb/s per lane), DDR (5Gb/s per lane),
QDR (10Gb/s per lane), FDR10 (10.3125Gb/s per lane), FDR (14.0625Gb/s per
lane), EDR (25Gb/s per lane) port
a. The ConnectX-4 adapters supplement the IBTA auto-negotiation specification to get better bit error rates
and longer cable reaches. This supplemental feature only initiates when connected to another Mellanox
InfiniBand product.
Ethernet:
100GBASE-CR4, 100GBASE-KR4, 100GBASE-SR4, 56GBASE-R4,
50GBASE-R2, 50GBASE-R4, 40GBASE-CR4, 40GBASE-KR4, 40GBASE-
SR4, 40GBASE-LR4, 40GBASE-ER4, 40GBASE-R2, 25GBASE-R, 20GBASE-
KR2, 1000BASE-CX, 1000BASE-KX, 10GBASE-SR, 10GBASE-LR,
10GBASE-ER, 10GBASE-CX4, 10GBASE-KX4, 10GBASE-CR, 10GBASE-
KR, SGMII
Data Rate:
SDR/DDR/QDR/FDR/EDR– InfiniBand
1/10/25/40/50/100 Gb/s– Ethernet
PCI Express Gen3:
SERDES @ 8.0GT/s, 16 lanes (2.0 and 1.1 compatible)
Power and
Environmental
Voltage:
12V, 3.3V
Typical Power
b
: Passive Cables
– 16.12W
b. Typical power for ATIS traffic load.
Maximum Power: Passive Cables
– 18.04W
3.5W Active Cables
– 24.80W
Maximum power available through QSFP28 port:
3.5W
Temperature:
Operational 0°C to 55°C
Non-operational -40°C to 70°C
Humidity:
90% relative humidity
c
c. For both operational and non-operational states.
Air Flow:
See
Airflow Specifications on page 46
Regulatory
Safety:
CB / cTUVus / CE
EMC:
CE / FCC / VCCI / ICES / RCM
RoHS:
RoHS-R6
