MELLANOX MCX4121A-ACAT NETWORK ADAPTER
Description
Mellanox MCX4121A-ACAT Network Adapter
The MCX4121A-ACAT Network Controller is a high-performance Ethernet connectivity solution that helps tackle challenges arising from virtualized infrastructures. It caters to multiple demanding markets and applications, providing top-notch hardware based I/O isolation and unparalleled scalability and efficiency. It's the most cost-effective and flexible solution for data analytics, databases, Cloud, storage platforms, and Web 2.0. The demand for virtualization, sophisticated data acceleration engines, the lowest latency, and the highest throughput is increasing exponentially due to the rise of new applications and data usage. By leveraging the world's leading interconnect adapter, the MCX4121A-ACAT enables data centers to boost their operational efficiency, improve server utilization, maximize application productivity, and reduce total cost of ownership (TCO).
Quick Specs:
- 8x PCIe Gen 3.0
- Single and dual-port options available
- Low latency RDMA over Converged Ethernet (RoCE)
- 10/25Gb/s Ethernet Speeds
Please see the related tabs for the MCX4121A-ACAT datasheet and compatible accessories.
Specifications
| Specifications | MCX4121A-ACAT |
| Compatibility | |
| PCI Express Interface | PCIe Gen 3.0 compliant, 1.1 and 2.0 compatible – 2.5, 5.0, or 8.0GT/s link rate x8 – Auto-negotiates to x8, x4, x2, or x1 – Support for MSI/MSI-X mechanisms |
| Operating Systems/Distributions | RHEL/CentOS – Windows – FreeBSD – VMware – OpenFabrics Enterprise Distribution (OFED) – OpenFabrics Windows Distribution (WinOF-2) |
| Connectivity | – Interoperable with 10/25Gb Ethernet switches – Passive copper cable with ESD protection – Powered connectors for optical and active cable support |
| FEATURES | |
| Ethernet | – 25GbE / 10GbE – 25G Ethernet Consortium 25 Gigabit Ethernet – IEEE 802.3ae 10 Gigabit Ethernet – IEEE 802.3az Energy Efficient Ethernet – IEEE 802.3ap based auto-negotiation and KR startup – Proprietary Ethernet protocols (20/40GBASE-R2, 50GBASE-R4) – EEE 802.3ad, 802.1AX Link Aggregation – IEEE 802.1Q, 802.1P VLAN tags and priority – EEE 802.1Qaz (ETS) – IEEE 802.1Qbb (PFC) – IEEE 802.1Qbg – IEEE 1588v2 – Jumbo frame support (9.6KB) |
| Enhanced Features | Hardware-based reliable transport – Collective operations offloads – Vector collective operations offloads – PeerDirect RDMA (aka GPUDirect communication acceleration – 64/66 encoding – Extended Reliable Connected transport (XRC) – Dynamically Connected transport (DCT) – Enhanced Atomic operations – Advanced memory mapping support, allowing user mode registration and remapping of memory (UMR) – On demand paging (ODP) – registration free RDMA memory access CPU Offloads – RDMA over Converged Ethernet (RoCE) – TCP/UDP/IP stateless offload – LSO, LRO, checksum offload – RSS (can be done on encapsulated packet), TSS, VLAN insertion/ stripping, Receive flow steering – Intelligent interrupt coalescence |
| Storage Offloads | RAID offload - erasure coding (ReedSolomon) offload |
| Overlay Networks | – Stateless offloads for overlay networks and tunneling protocols – Hardware offload of encapsulation and decapsulation of NVGRE and VXLAN overlay networks |
| Hardware-Based I/O Virtualization | Single Root IOV – Multi-function per port – Address translation and protection – Multiple queues per virtual machine – Enhanced QoS for vNICs – VMware NetQueue support |
| Virtualization | SR-IOV: Up to 256 Virtual Functions – SR-IOV: Up to 16 Physical Functions per port – Virtualization hierarchies (e.g. NPAR) • Virtualizing Physical Functions on a physical port • SR-IOV on every Physical Function – 1K ingress and egress QoS levels – Guaranteed QoS for VMs |
| Protocol Support | OpenMPI, IBM PE, OSU MPI (MVAPICH/2), Intel MPI – Platform MPI, UPC, Open SHMEM – TCP/UDP, MPLS, VxLAN, NVGRE, GENEVE – iSER, NFS RDMA, SMB Direct – uDAPL |
| Management and Control Interfaces | – NC-SI over MCTP over SMBus and NC-SI over MCTP over PCIe - Baseboard Management Controller interface – SDN management interface for managing the eSwitch – I2C interface for device control and configuration – General Purpose I/O pins – SPI interface to Flash – JTAG IEEE 1149.1 and IEEE 1149.6 |
| Remote Boot | Remote boot over Ethernet – Remote boot over iSCSI – PXE and UEFI |
| Temperature | Operating: 0°C to 55°C (32°F to 131°F) Storage: – 40°C to 70°C (– 40°F to 158°F) |
| Airflow | Passive Cables: • Heatsink to Port 250 LFM at 55O C • Port to Heatsink 250 LFM at 55O C Active cable 1.5W: • Heatsink to Port 400 LFM at 55O C • Port to Heatsink 250 LFM at 55O C |
Accessories
| Optional Accessories | |
| Tested Modules & Cables | –Cisco Optical Module SFP-25G-SR-S – Cisco Optical Module SFP-10G-SR – Cisco Optical Module SFP-10G-LR Mellanox recommends Mellanox cables & modules. |