Mellanox Technologies

With Mellanox the choice becomes clear: Offloading beats onloading in improving application efficiency and reducing CAPEX and OPEX of the datacenter. Mellanox adapters are the default choice in several OCP platforms including Facebook Yosemite, Leopard and Tioga Pass. Furthermore, Mellanox switches feature consistent, low-latency and zero-packet loss delivering cloud scale efficiency and highest ROI for storage and computing infrastructure. The combination of Mellanox and Cumulus is an example of the power of Open Composable Networks which combines open platforms, industry standard APIs, and network automation. Mellanox offers the perfect solution for the finance, broadcast and media industry supporting standards such as PTP IEEE-1588, SMPTE 2022-6 and SMPTE 2110-21.

Circle B is Mellanox EMEA Reseller.

10/25/40/50/100GbE Open Ethernet Switch Systems


Ideal spine and top of rack (ToR) solutions for up to 32 40/56/100GbE ports, 64 10/25GbE ports or up to 64 50GbE ports.


8 ports running at 100GbE (can be split to 16 ports running 50GbE) and 48 ports running at 25GbE.


Half-width 16-port Non-blocking 100GbE Open Ethernet Switch System which scales up to 128 ports in 1RU.


Half-width 10/25GbE and 100GbE Ethernet Switch for Hyperconverged Infrastructures and ESF (Ethernet Storage Fabrics) with 18 ports of 10/25GbE and 4 splittable ports of 40/100GbE.

OCP Mezzanine adapters designed to mate into OCP servers

ConnectX-4 Lx

Single/Dual-Port 10/25/40/50 Gigabit Ethernet Adapter Cards supporting Multi-Host™ Technology, RDMA, Overlay Networks Encapsulation/Decapsulation and more.


Single/Dual-Port 100Gb/s Ethernet PCIe Gen3 and Gen4 intelligent RDMA-enabled network adapter card with advanced application offload and Multi-Host capabilities for Machine Learning, Web2.0, Cloud, and Storage platforms.

OCP Spec 3.0

Single/Dual-Port Ethernet adapter cards in the OCP 3.0 form factor support speeds from 10 to 200GbE. Combining leading features with best-in-class efficiency, Mellanox OCP cards enable the highest data center performance.

LinkX Cables and Transceivers