Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT)
[shortdesc] ConnectX-4 Lx EN network interface card, 10GbE dual-port SFP28, PCIe3.0 x8, tall bracket [/shortdesc]
[properties]
| Product Name | Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT) |
| Product Description | The MCX4121-XCAT is a high-performance network interface card from the ConnectX-4 Lx family, offering 10Gb/s Ethernet connectivity. Designed for virtualization and data acceleration, it features hardware-based I/O isolation, low latency, and high throughput, making it ideal for Web 2.0, Cloud, Big Data applications, and storage platforms. |
| Product Family | Mellanox ConnectX-4 Lx Series |
| Product Type | Network Adapter Card |
| Connector | Single SFP28 (copper and optical) |
| Data Rate | Ethernet: 1/10 Gb/s |
| PCI Express Gen 3.0 | SERDES @ 8.0GT/s, 8 lanes (2.0 and 1.1 compatible) |
| Voltage | 12V, 3.3V |
| Maximum Current | 100 mA |
| Typical Power (Passive Cable) | 9.3 W |
| Maximum Power (Passive Cable) | 11.1 W |
| Maximum Power (Active 1W Cable) | 13.3 W |
[/properties]
[specifications]
| Size | 2.71 in. x 5.6 in. (68.90mm x 142.24 mm) – low profile |
| Message Rate | 75 million packets per second |
| Sub 0.8 µs Latency | Yes |
| Supported Architectures | x86, Power, Arm |
| Airflow (Passive Cable) | Heatsink to Port: 300 LFM, Port to Heatsink: 300 LFM |
| Airflow (Active 1W Cable) | Heatsink to Port: 300 LFM, Port to Heatsink: 300 LFM |
| 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 |
[/specifications]
Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT)
The MCX4121-XCAT is a member of the The ConnectX-4 Lx family. This product offers high throughput and low latency. It is equipped with features that meet the needs of virtualization and data acceleration engines. It provides 10Gb/s Ethernet connectivity, hardware-based I/O isolation, and a 75 million packets per second message rate. These features make the MCX4121A-XCAT a perfect solution for Web 2.0, Cloud and Big Data applications, and storage platforms.
Quick Specs:
- 8x PCIe 3.0
- Single and dual port optisons
- 2x 10GbE SFP uplink ports
- ODCC compatible
Please see the related tabs for the MCX4121-XCAT datasheet and compatible accessories.
Product Information
Product Information
Shipping & Returns
Shipping & Returns


Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT)
Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT)
[shortdesc] ConnectX-4 Lx EN network interface card, 10GbE dual-port SFP28, PCIe3.0 x8, tall bracket [/shortdesc]
[properties]
| Product Name | Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT) |
| Product Description | The MCX4121-XCAT is a high-performance network interface card from the ConnectX-4 Lx family, offering 10Gb/s Ethernet connectivity. Designed for virtualization and data acceleration, it features hardware-based I/O isolation, low latency, and high throughput, making it ideal for Web 2.0, Cloud, Big Data applications, and storage platforms. |
| Product Family | Mellanox ConnectX-4 Lx Series |
| Product Type | Network Adapter Card |
| Connector | Single SFP28 (copper and optical) |
| Data Rate | Ethernet: 1/10 Gb/s |
| PCI Express Gen 3.0 | SERDES @ 8.0GT/s, 8 lanes (2.0 and 1.1 compatible) |
| Voltage | 12V, 3.3V |
| Maximum Current | 100 mA |
| Typical Power (Passive Cable) | 9.3 W |
| Maximum Power (Passive Cable) | 11.1 W |
| Maximum Power (Active 1W Cable) | 13.3 W |
[/properties]
[specifications]
| Size | 2.71 in. x 5.6 in. (68.90mm x 142.24 mm) – low profile |
| Message Rate | 75 million packets per second |
| Sub 0.8 µs Latency | Yes |
| Supported Architectures | x86, Power, Arm |
| Airflow (Passive Cable) | Heatsink to Port: 300 LFM, Port to Heatsink: 300 LFM |
| Airflow (Active 1W Cable) | Heatsink to Port: 300 LFM, Port to Heatsink: 300 LFM |
| 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 |
[/specifications]
Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT)
The MCX4121-XCAT is a member of the The ConnectX-4 Lx family. This product offers high throughput and low latency. It is equipped with features that meet the needs of virtualization and data acceleration engines. It provides 10Gb/s Ethernet connectivity, hardware-based I/O isolation, and a 75 million packets per second message rate. These features make the MCX4121A-XCAT a perfect solution for Web 2.0, Cloud and Big Data applications, and storage platforms.
Quick Specs:
- 8x PCIe 3.0
- Single and dual port optisons
- 2x 10GbE SFP uplink ports
- ODCC compatible
Please see the related tabs for the MCX4121-XCAT datasheet and compatible accessories.
Original: $120.00
-65%$120.00
$42.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
[shortdesc] ConnectX-4 Lx EN network interface card, 10GbE dual-port SFP28, PCIe3.0 x8, tall bracket [/shortdesc]
[properties]
| Product Name | Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT) |
| Product Description | The MCX4121-XCAT is a high-performance network interface card from the ConnectX-4 Lx family, offering 10Gb/s Ethernet connectivity. Designed for virtualization and data acceleration, it features hardware-based I/O isolation, low latency, and high throughput, making it ideal for Web 2.0, Cloud, Big Data applications, and storage platforms. |
| Product Family | Mellanox ConnectX-4 Lx Series |
| Product Type | Network Adapter Card |
| Connector | Single SFP28 (copper and optical) |
| Data Rate | Ethernet: 1/10 Gb/s |
| PCI Express Gen 3.0 | SERDES @ 8.0GT/s, 8 lanes (2.0 and 1.1 compatible) |
| Voltage | 12V, 3.3V |
| Maximum Current | 100 mA |
| Typical Power (Passive Cable) | 9.3 W |
| Maximum Power (Passive Cable) | 11.1 W |
| Maximum Power (Active 1W Cable) | 13.3 W |
[/properties]
[specifications]
| Size | 2.71 in. x 5.6 in. (68.90mm x 142.24 mm) – low profile |
| Message Rate | 75 million packets per second |
| Sub 0.8 µs Latency | Yes |
| Supported Architectures | x86, Power, Arm |
| Airflow (Passive Cable) | Heatsink to Port: 300 LFM, Port to Heatsink: 300 LFM |
| Airflow (Active 1W Cable) | Heatsink to Port: 300 LFM, Port to Heatsink: 300 LFM |
| 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 |
[/specifications]
Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-XCAT)
The MCX4121-XCAT is a member of the The ConnectX-4 Lx family. This product offers high throughput and low latency. It is equipped with features that meet the needs of virtualization and data acceleration engines. It provides 10Gb/s Ethernet connectivity, hardware-based I/O isolation, and a 75 million packets per second message rate. These features make the MCX4121A-XCAT a perfect solution for Web 2.0, Cloud and Big Data applications, and storage platforms.
Quick Specs:
- 8x PCIe 3.0
- Single and dual port optisons
- 2x 10GbE SFP uplink ports
- ODCC compatible
Please see the related tabs for the MCX4121-XCAT datasheet and compatible accessories.














