Mellanox MCX556A-ECAT Network Adapter
- 5 VPI, PCIe 3.0 x16, Network adapter, 100Gb Ethernet / 100Gb Infiniband QSFP28 x 2
[properties]
| Product Name | Mellanox MCX556A-ECAT Network Adapter |
| Product Description | The Mellanox MCX556A-ECAT is a high-performance network adapter designed for both Ethernet and InfiniBand networks. It features dual QSFP28 ports supporting data rates up to 100 Gb/s and is compatible with PCIe Gen3 x16 interfaces. |
| Product Family | Mellanox ConnectX-5 Series |
| Product Type | Network Adapter Card |
| Connector | Dual QSFP28 InfiniBand and Ethernet (copper and optical) |
| Data Rate | Ethernet: 1/10/25/40/50/100 Gb/s, InfiniBand: SDR/DDR/QDR/FDR/EDR |
| PCI Express Gen 3.0 | SERDES @ 8.0 GT/s, 16 lanes (2.0 and 1.1 compatible) |
| Voltage | 12V |
| Maximum Current | 100 mA |
| Typical Power (Passive Cable) | 16.2 W |
| Maximum Power (Passive Cable) | 19.0 W |
| Maximum Power (Active 1.5W Cable) | 22.3 W |
| Maximum Power (Active 2.5W Cable) | 24.6 W |
[/properties]
[specifications]
| Operating 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) | 3050 m |
| Regulatory Compliance | Safety: CB / cTUVus / CE, EMC: CE / FCC / VCCI / ICES / RCM, RoHS: RoHS compliant |
| Size | 2.71 in x 5.6 in (68.90 mm x 142.24 mm) |
| Message Rate | 215 Mpps |
| Sub 0.8 µs Latency | Yes |
| Supported Architectures | x86, Power, Arm |
| Airflow (Passive Cable) | 350 LFM |
| Airflow (Active 1.5W Cable) | 500 LFM |
| Airflow (Active 2.5W Cable) | 600 LFM |
| Airflow (Active 3.5W Cable) | 650 LFM |
| Airflow (Active 5W Cable) | 1300 LFM |
[/specifications]
Mellanox MCX556A-ECAT Network Adapter
The Mellanox MC556-A-ECAT is a member of the ConnectX-5 Ethernet Adapter Cards family. This network interface card is a high-performance device designed for Ethernet and InfiniBand networks. It has a single QSFP28 port that supports both copper and optical connections. The Mellanox MC556A-ECAT provides support for a wide range of protocols and data rates, and it is compatible with PCIe Gen3 with 16 lanes. The device has a maximum power consumption of 25W and supports InfiniBand speeds of up to 200 Gb/s.
Quick Specs:
- 2x QSFP28
- 1/10/25/40/50/100 Gb/s data rate
- 16x PCIe Gen 3.0
- Max Speed: EDR and 100GbE
Please see the related tabs for the MCX556A-ECAT datasheet and compatible accessories.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Mellanox MCX556A-ECAT Network Adapter
Mellanox MCX556A-ECAT Network Adapter
- 5 VPI, PCIe 3.0 x16, Network adapter, 100Gb Ethernet / 100Gb Infiniband QSFP28 x 2
[properties]
| Product Name | Mellanox MCX556A-ECAT Network Adapter |
| Product Description | The Mellanox MCX556A-ECAT is a high-performance network adapter designed for both Ethernet and InfiniBand networks. It features dual QSFP28 ports supporting data rates up to 100 Gb/s and is compatible with PCIe Gen3 x16 interfaces. |
| Product Family | Mellanox ConnectX-5 Series |
| Product Type | Network Adapter Card |
| Connector | Dual QSFP28 InfiniBand and Ethernet (copper and optical) |
| Data Rate | Ethernet: 1/10/25/40/50/100 Gb/s, InfiniBand: SDR/DDR/QDR/FDR/EDR |
| PCI Express Gen 3.0 | SERDES @ 8.0 GT/s, 16 lanes (2.0 and 1.1 compatible) |
| Voltage | 12V |
| Maximum Current | 100 mA |
| Typical Power (Passive Cable) | 16.2 W |
| Maximum Power (Passive Cable) | 19.0 W |
| Maximum Power (Active 1.5W Cable) | 22.3 W |
| Maximum Power (Active 2.5W Cable) | 24.6 W |
[/properties]
[specifications]
| Operating 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) | 3050 m |
| Regulatory Compliance | Safety: CB / cTUVus / CE, EMC: CE / FCC / VCCI / ICES / RCM, RoHS: RoHS compliant |
| Size | 2.71 in x 5.6 in (68.90 mm x 142.24 mm) |
| Message Rate | 215 Mpps |
| Sub 0.8 µs Latency | Yes |
| Supported Architectures | x86, Power, Arm |
| Airflow (Passive Cable) | 350 LFM |
| Airflow (Active 1.5W Cable) | 500 LFM |
| Airflow (Active 2.5W Cable) | 600 LFM |
| Airflow (Active 3.5W Cable) | 650 LFM |
| Airflow (Active 5W Cable) | 1300 LFM |
[/specifications]
Mellanox MCX556A-ECAT Network Adapter
The Mellanox MC556-A-ECAT is a member of the ConnectX-5 Ethernet Adapter Cards family. This network interface card is a high-performance device designed for Ethernet and InfiniBand networks. It has a single QSFP28 port that supports both copper and optical connections. The Mellanox MC556A-ECAT provides support for a wide range of protocols and data rates, and it is compatible with PCIe Gen3 with 16 lanes. The device has a maximum power consumption of 25W and supports InfiniBand speeds of up to 200 Gb/s.
Quick Specs:
- 2x QSFP28
- 1/10/25/40/50/100 Gb/s data rate
- 16x PCIe Gen 3.0
- Max Speed: EDR and 100GbE
Please see the related tabs for the MCX556A-ECAT datasheet and compatible accessories.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- 5 VPI, PCIe 3.0 x16, Network adapter, 100Gb Ethernet / 100Gb Infiniband QSFP28 x 2
[properties]
| Product Name | Mellanox MCX556A-ECAT Network Adapter |
| Product Description | The Mellanox MCX556A-ECAT is a high-performance network adapter designed for both Ethernet and InfiniBand networks. It features dual QSFP28 ports supporting data rates up to 100 Gb/s and is compatible with PCIe Gen3 x16 interfaces. |
| Product Family | Mellanox ConnectX-5 Series |
| Product Type | Network Adapter Card |
| Connector | Dual QSFP28 InfiniBand and Ethernet (copper and optical) |
| Data Rate | Ethernet: 1/10/25/40/50/100 Gb/s, InfiniBand: SDR/DDR/QDR/FDR/EDR |
| PCI Express Gen 3.0 | SERDES @ 8.0 GT/s, 16 lanes (2.0 and 1.1 compatible) |
| Voltage | 12V |
| Maximum Current | 100 mA |
| Typical Power (Passive Cable) | 16.2 W |
| Maximum Power (Passive Cable) | 19.0 W |
| Maximum Power (Active 1.5W Cable) | 22.3 W |
| Maximum Power (Active 2.5W Cable) | 24.6 W |
[/properties]
[specifications]
| Operating 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) | 3050 m |
| Regulatory Compliance | Safety: CB / cTUVus / CE, EMC: CE / FCC / VCCI / ICES / RCM, RoHS: RoHS compliant |
| Size | 2.71 in x 5.6 in (68.90 mm x 142.24 mm) |
| Message Rate | 215 Mpps |
| Sub 0.8 µs Latency | Yes |
| Supported Architectures | x86, Power, Arm |
| Airflow (Passive Cable) | 350 LFM |
| Airflow (Active 1.5W Cable) | 500 LFM |
| Airflow (Active 2.5W Cable) | 600 LFM |
| Airflow (Active 3.5W Cable) | 650 LFM |
| Airflow (Active 5W Cable) | 1300 LFM |
[/specifications]
Mellanox MCX556A-ECAT Network Adapter
The Mellanox MC556-A-ECAT is a member of the ConnectX-5 Ethernet Adapter Cards family. This network interface card is a high-performance device designed for Ethernet and InfiniBand networks. It has a single QSFP28 port that supports both copper and optical connections. The Mellanox MC556A-ECAT provides support for a wide range of protocols and data rates, and it is compatible with PCIe Gen3 with 16 lanes. The device has a maximum power consumption of 25W and supports InfiniBand speeds of up to 200 Gb/s.
Quick Specs:
- 2x QSFP28
- 1/10/25/40/50/100 Gb/s data rate
- 16x PCIe Gen 3.0
- Max Speed: EDR and 100GbE
Please see the related tabs for the MCX556A-ECAT datasheet and compatible accessories.














