In today’s Data Center, to satisfy the increasing demands of greater bandwidth and the growing amount of data transmission, various kinds of high-performance and reliable cables have been designed, like 40G QSFP+ cables. 40G QSFP+ cables combine effective use of space, power and port density for high-density applications with data rates up to 40Gb/s supporting Fibre Channel, Ethernet, SDH/SONET and Infiniband standards. QSFP+ cables offer high-density, low-cost, and low-power 40 Gigabit Ethernet (GbE) solution commercially available today.

A quad small form-factor pluggable plus (QSFP+) cable, a high speed pluggable I/O interface product, is a cable capped at either end with the QSFP+ transceiver. QSFP+ cable assembly offers 4 channels, providing 3 or even 4 times the density of SFP/SFP+ ports. QSFP+ cables can provide inexpensive and reliable 40G speed connections between QSFP+ ports of QSFP+ switches within racks and across adjacent racks. There are three main types of QSFP+ cables available in telecommunication market: 40G QSFP+ copper cables, 40G QSFP+ AOC cables, QSFP+ to 4 SFP+ Breakout Cables. This article touches on these three types in details.

Commonly seen 40G QSFP+ copper cables are 40G QSFP+ active copper cables and 40G QSFP+ passive copper cables. Both are very ideal for short reach applications. Their typical applications are switches, routers, host bus adapters (HBA’s), enterprise storage, as well as multiple channel interconnects. Actually, QSFP+ passive copper cables have been widely used for 40G network connectivity. Take XLDACBL3 for example, Fiberstore compatible Intel XLDACBL3 serves as a very cost-effective way to establish a 40-gigabit link between QSFP ports of Intel switches within racks and across adjacent racks, supporting a length of 3m.

QSFP+ active optical cable (AOC) is a high performance, low power consumption integrated cable for short-range multi-lane data communication and interconnect applications, supporting 40G Ethernet, fiber channel and PCIE. It is compliant with the QSFP MSA and IEEE P802.3ba 40GBASE-SR4. It integrates four data lanes in each direction with 40Gb/s aggregated bandwidth. Each lane is capable of transmitting data at rates up to 10Gb/s with the lengths ranging from 1m to 100m. Like FCBG110SD1C01, Fiberstore compatible Finisar FCBG110SD1C01 reaches 1 m in 40G links.

QSFP+ to 4 SFP+ breakout cables function as a great cost-effective interconnect solution to IT professionals by providing much needed space for data centers and low costs. These cables allow the connection of your QSFP+ and SFP+ Switches and Network cards free from upgrading the entire data center or storage array. They can be used for QDR infiniBand, 40 Gigabit Ethernet and 10Gigabit applications. Each QSFP-SFP+ splitter cable features a single QSFP connector (SFF-8436) rated for 40-Gb/s on one end and (4) SFP+ connectors (SFF-8431), each rated for 10-Gb/s, on the other.

With the help of these QSFP+ cables, you can enjoy the flexibility of cable assemblies and VARIOUS ports for your high-performance 40GbE. As a professional fiber optic products supplier and manufacturer, Fiberstore can supply lots of cost-effective fiber optic products of high quality, which are 100% compatible with major brands, certainly including 40G QSFP+ cables (eg. Intel XLDACBL3, Finisar FCBG110SD1C01). In a word, you can find your desired 40G QSFP+ cables in Fiberstore.

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