Hardware Platforms

When performance, precision, flexibility and latency matter, our 10/40GbE server I/O adapters are the smart choice.


Solarflare Transceivers

Solarflare's QSFP+ 40GBASE-SR4 and SFP+ 10GBASE-SR transceivers complete the networking solution by providing the physical interconnection with a Solarflare tested and approved optical module. This streamlines customer's purchasing process enabling a single transaction at the server adapter point of sale from the same source, while simplifying selling, support and fulfillment activities.

SFM40G-SR4 40GBASE-SR4 850nm QSFP+ Transceiver

Solarflare QSFP+ 40GBASE-SR4 Transceiver

SFM40G-SR4 40Gbps 850nm QSFP+ transceivers are hot-pluggable QSFP+ devices for use in 40-Gigabit Ethernet links up to 100 meters over OM3 multi-mode fiber. The SFM40G-SR4 QSFP+ transceiver module is fully tested and compatible with the Solarflare Flareon Ultra SFN7142Q Dual-Port 40GbE QSFP+ PCIe 3.0 server adapter. The SFM40G-SR4 is compliant with the MSA SFF-8436 and IEEE 802.3ba 40GBASE-SR4 specifications.

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SFM10G-SR 10GBASE-SR 850nm SFP+ Transceiver

Solarflare SFP+ 10GBASE-SR Transceiver

SFM10G-SR 850nm 10Gbps SFP+ transceivers are hot-pluggable SFP+ devices for use in 10-Gigabit Ethernet links over multi-mode fiber. The SFM10G-SR SFP+ optical transceiver module is fully tested and compatible with all Solarflare single-port and dual-port SFP+ 10GbE server adapters. The SFM10G-SR is compliant with the SFF-8431, SFF-8432, and IEEE 802.3ae 10GBASE-SR specifications.

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Solarflare QSFP+ to SFP+ Breakout Cables

SOLR-QSFP2SFP-1M QSFP+ to SFP+ Copper DAC 1 Meter Cable

SOLR-QSFP2SFP-3M QSFP+ to SFP+ Copper DAC 3 Meter Cable


Solarflare QSFP+ to SFP+ breakout cables enables users to connect Solarflare SFN7142Q dual-port QSFP+ server I/O adapters to work as a quad-port SFP+ server I/O adapters. The breakout cables offer a cost-effective option to support connectivity flexibility in high-speed data center applications. These high performance direct-attach assemblies support 2 lanes of 10 Gb/s per QSFP+ port and are available in lengths of 1 meters and 3 meters. The SOLR-QSFP2SFP-1M, -3M copper DAC cables are fully tested and compatible with the Solarflare SFN7142Q server I/O adapter. The SOLR-QSFP2SFP-1M and QSFP2SFP-3M are compliant with the SFF-8431, SFF-8432, SFF-8436, SFF-8472 and IBTA Volume 2 Revision 1.3 specifications.

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Tested and Recommended Optical Transceivers and DA Cables

Solarflare offers its own branded SFM40G-SR4 QSFP+ and SFM10G-SR SFP+ optical module listed below in Table 1. Solarflare server adapters have also been tested with multiple third-party 40G QSFP+ 40GBASe-SR4, 10G SFP+ 10GBASE-SR, 10G SFP+ 10GBASE-LR, 1G SFP 1000BASE-SX, and 1G 1000BASE-T transceiver modules, as well as 40GBASE-CR4 and 10GBASE-CR Direct Attach (DA) cables, and 40G Active Optical Cables (AOC) listed in these tables.