Optics for InfiniBand EDR HDR NDR

What is InfiniBand™?

InfiniBand is an industry-standard specification that defines an input/output architecture used to interconnect servers, communications infrastructure equipment, storage, and embedded systems. As a true fabric architecture, InfiniBand leverages switched, point-to-point channels with data transfers that lead the industry.

Ultra-Low Latency

Reliable messaging and RDMA semantics without software intervention ensure the highest performance and minimal overhead.

Field-Proven Scalability

Used in thousands of data centers for AI clusters that efficiently scale to thousands of nodes for distributed processing.

Figure 1: Topology Location of InfiniBand in Supercomputing Network

Roadmap & Evolution

Figure 2: IBTA InfiniBand Roadmap

InfiniBand Acronyms
SDR Single Rate
HDR High Rate
DDR Double Rate
NDR Next Rate
QDR Quad Rate
XDR eXtreme Rate
FDR Fourteen Rate
GDR Gxx Rate
EDR Enhanced Rate

* NDR 400Gb/s shipping now; GDR 1.6Tb/s planned for 2028.

Mellanox Compatible Solutions

Figure 3: Etern Optoelectronics AOCs for InfiniBand Application