Specifications
Physical | Size: 2.71 in. x 5.6 in. (68.90mm x 142.24 mm) – low profile | |||
Connector: Single QSFP28 InfiniBand and Ethernet (copper and optical) | ||||
Protocol Support | InfiniBand: IBTA v1.3a Auto-Negotiation: 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 | |||
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 | ||||
Data Rate | InfiniBand | SDR/DDR/QDR/FDR/EDR | ||
Ethernet | 1/10/25/40/50/100 Gb/s | |||
PCI Express Gen3: SERDES @ 8.0GT/s, 16 lanes (2.0 and 1.1 compatible) | ||||
Power | Voltage: 12V | |||
Power | Cable | |||
Typical Power b | Passive Cables | 14.2W | ||
Maximum Power | Passive Cables | 17.0W | ||
1.5W Active Cables | 18.6W | |||
2.5W Active Cables | 19.7W | |||
Maximum power available through QSFP28 port: 5W | ||||
Environmental | Temperature | Operational | 0°C to 55°C | |
Non-operational | -40°C to 70°C | |||
Humidity | Operational | 10% to 85% relative humidity | ||
Non-operational | 10% to 90% relative humidity | |||
Altitude (Operational) | 3050m | |||
Airflow | ||||
Regulatory | Safety: CB / cTUVus / CE | |||
EMC: CE / FCC / VCCI / ICES / RCM | ||||
RoHS compliant |
a The ConnectX-5 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 NVIDIA InfiniBand product.
b Typical power for ATIS traffic load.
c For both operational and non-operational states.
Physical | Size: 2.71 in. x 5.6 in. (68.90mm x 142.24 mm) – low profile | |||
Connector: Dual QSFP28 InfiniBand and Ethernet (copper and optical) | ||||
Protocol Support | InfiniBand: IBTA v1.3 a Auto-Negotiation: 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 | |||
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 | ||||
Data Rate | InfiniBand | SDR/DDR/QDR/FDR/EDR | ||
Ethernet | 1/10/25/40/50/100 Gb/s | |||
PCI Express Gen3: SERDES @ 8.0GT/s, 16 lanes (2.0 and 1.1 compatible) Note: PCIe 3.0 x16 bus can supply a maximum bandwidth of 128Gb/s only (=16 * 8GT/s, including overhead), and therefore cannot support 200Gb/s when both network ports of MCX556A-ECAT run at 100Gb/s. | ||||
Power | Voltage: 12V | |||
Power | Cable | |||
Typical Power b | Passive Cables | 16.2W | ||
Maximum Power | Passive Cables | 19.0W | ||
1.5 Active Cables | 22.3W | |||
2.5W Active Cables | 24.6W | |||
Maximum power available through QSFP28 port: 5W | ||||
Environmental | Temperature | Operational | 0°C to 55°C | |
Non-operational | -40°C to 70°C | |||
Humidity | Operational | 10% to 85% relative humidity | ||
Non-operational | 10% to 90% relative humidity | |||
Altitude (Operational) | 3050m | |||
Airflow | ||||
Regulatory | Safety: CB / cTUVus / CE | |||
EMC: CE / FCC / VCCI / ICES / RCM | ||||
RoHS compliant |
Notes:
a. The ConnectX-5 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 NVIDIA InfiniBand product.
b. Typical power for ATIS traffic load.
c. For both operational and non-operational states.
Physical | Size: 2.71 in. x 5.6 in. (68.90mm x 142.24 mm) – low profile | ||
Connector: Dual QSFP28 InfiniBand and Ethernet (copper and optical) | |||
Protocol Support | InfiniBand: IBTA v1.3 a Auto-Negotiation: 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 | ||
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 | |||
Data Rate | InfiniBand | SDR/DDR/QDR/FDR/EDR | |
Ethernet | 1/10/25/40/50/100 Gb/s | ||
PCI Express Gen4: SERDES @ 16.0GT/s, 16 lanes (2.0 and 1.1 compatible) | |||
Power | Voltage: 12V | ||
Power | Cable | ||
Typical Power b | Passive Cables | 19.3W | |
Maximum Power | Passive Cables | 23.4W | |
1.5W Active Cables | 26.8W | ||
2.5W Active Cables | 29.0W | ||
Maximum power available through QSFP28 port: 5W | |||
Environmental | Temperature | Operational | 0°C to 55°C |
Non-operational | -40°C to 70°C | ||
Humidity | Operational | 10% to 85% relative humidity | |
Non-operational | 10% to 90% relative humidity | ||
Altitude (Operational) | 3050m | ||
Airflow | |||
Regulatory | Safety: CB / cTUVus / CE | ||
EMC: CE / FCC / VCCI / ICES / RCM | |||
RoHS: RoHS-R6 |
a. The ConnectX-5 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 NVIDIA InfiniBand product.
b. Typical power for ATIS traffic load.
c. For both operational and non-operational states.
Airflow (LFM) | |||||
Cable Type | Passive | Active 1.5W | Active 2.5W | Active 3.5W | Active 5W |
MCX555A-ECAT | 300 | 350 | 400 | 400 | 950 |
MCX556A-EC[A/U]T | 350 | 500 | 600 | 650 | 1300 |
MCX556A-EDAT | 400 | 600 | 850 | 1000 | 1400 |
All dimensions are in millimeters. The PCB mechanical tolerance is +/- 0.13mm.
For the 3D Model of the card, please refer to http://www.nvidia.com/page/3d_models.
Adapter Card Mechanical Drawing (Component Side)

e
Bracket Mechanical Drawing
All dimensions are in millimeters. The bracket mechanical tolerance is +/- 0.25mm.
