SFF-8679_018.pdf

SFF-8679 Specification for QSFP+ 4X Hardware and Electrical Specification Revision 1.8 October 4, 2018 Secretariat: SFF TA TWG Abstract: This specification defines the contact pads, the electrical, power supply, ESD and thermal characteristics of the pluggable QSFP+ module or cable plug. There are multiple generations of QSFP+ that reference this specification: SFF-8635 QSFP+ 4X 10 Gb/s Pluggable Transceiver Solution (QSFP10) SFF-8685 QSFP+ 4X 14 Gb/s Pluggable Transceiver Solution (QSFP14) SFF-8665 QSFP+ 4X 28 Gb/s Pluggable Transceiver Solution (QSFP+) This specification supersedes the base electrical content of SFF-8436 QSFP+ 10Gb/s 4X Pluggable Transceiver. This document provides a common specification for systems manufacturers, system integrators, and suppliers.