Mellanox ConnectX-3 MCX341A-XCCN 10Gigabit Ethernet Card
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Product Information for Mellanox ConnectX-3 MCX341A-XCCN 10Gigabit Ethernet Card

Highlights for Mellanox ConnectX-3 MCX341A-XCCN 10Gigabit Ethernet Card

  • Host Interface:PCI Express x8

Marketing Information

Mellanox ConnectX-3 EN 10 Gigabit Ethernet Media Access Controllers (MAC) with PCI Express 3.0 deliver high-bandwidth and industry-leading Ethernet connectivity for Open Compute server and storage applications in Web 2.0, Enterprise Data Centers and Cloud infrastructure.

Clustered databases, web infrastructure, and high frequency trading are just a few applications that will achieve significant throughput and latency improvements resulting in faster access, real-time response and more users per server. ConnectX-3 EN improves network performance by increasing available bandwidth while decreasing the associ-ated transport load on the CPU especially in virtualized server environments.

ConnectX-3 EN 10GbE OCP for Open computeproject adhere to Server specifications revision 0.5.

World-Class Ethernet Performance
RDMA over Converged Ethernet-ConnectX-3 utilizing IBTA RoCE technology provides efficient RDMA services, delivering low-latency and high-performance to bandwidth and latency sensitive applications. With link-level interoperability in existing Ethernet infrastructure, Network Admin-istrators can leverage existing data center fabric management solutions.

Sockets Acceleration- Applications utilizing TCP/UDP/IP transport can achieve industry-leading throughput over 10GbE. The hardware-based stateless offload and flow steering engines in ConnectX-3 reduce the CPU overhead of IP packet transport, freeing more processor cycles to work on the application. Sockets accelera-tion software further increases performance for latency sensitive applications.

I/O Virtualization - ConnectX-3 EN with Virtual Intelligent Queuing (Virtual-IQ) technology provides dedicated adapter resources and guaran-teed isolation and protection for virtual machines (VM) within the server. ConnectX-3 EN gives data center managers better server utilization and LAN and SAN unification while reducing costs, power, and complexity.

Quality of Service - Resource allocation per application or per VM is provided and protected by the advanced QoS supported by ConnectX-3 EN. Service levels for multiple traffic types can be based on IETF DiffServ or IEEE 802.1p/Q allowing system administrators to prioritize traffic by appli-cation, virtual machine, or protocol. This powerful combination of QoS and prioritization provides the ultimate fine-grained control of traffic - ensuring that applications run smoothly in today's complex environments.

Software Support
ConnectX-3 EN is supported by a full suite of software drivers for Microsoft Windows, Linux distributions, VMware and Citrix XENServer. ConnectX-3 EN supports stateless offload and is fully interoperable with standard TCP/UDP/IP stacks. ConnectX-3 EN supports various manage- ment interfaces and has a rich set of configuring and management tools across operating systems.


  • Host Interface: PCI Express x8
  • Total Number of Ports: 1

General Information

  • Product Type: 10Gigabit Ethernet Card
  • Manufacturer Part Number: MCX341A-XCCN
  • Manufacturer Website Address:
  • Manufacturer: Mellanox Technologies Ltd
  • Product Model: MCX341A-XCCN
  • Product Name: ConnectX-3 MCX341A-XCCN 10Gigabit Ethernet Card
  • Product Line: ConnectX-3
  • Brand Name: Mellanox

I/O Expansions

  • Expansion Slot Type: SFP+

Media & Performance

  • Media Type Supported: Optical Fiber


Green Compliant


Green Compliance Certificate/Authority


Network & Communication

  • Network Technology: 10GBase-X

Physical Characteristics

  • Form Factor: Plug-in Card
  • Height: 2.7"
  • Width: 4.3"


Additional Product Specifications