Both a '''SFP-DD''',<ref name="SFP-DD MSA"/> which allows for {{nowrap|100 Gbit/s}} over two lanes, as well as a '''QSFP-DD'''<ref name="QSFP-DD MSA"/> specifications, which allows for {{nowrap|400 Gbit/s}} over eight lanes, have been published.<ref name="Lightwave" /> These use a [[Form factor (design)|form factor]] which is directly [[Backward compatibility|backward compatible]] to their respective predecessors.<ref>{{cite web |title=Backward Compatibility: QSFP-DD/QSFP28/QSFP+/SFP+ |url=https://www.qsfptek.com/article/backward-compatibility-qsfp-dd-qsfp28-qsfp-sfp |publisher=Derek |access-date=21 July 2022}}</ref>
An even larger sibling, the '''OSFP (Octal Small Format Pluggable)''' has('''OSFP'''), productshad beingproducts released in 2022<ref>{{Cite web|title=Introduction - NVIDIA QM97X0 NDR SWITCH SYSTEMS USER MANUAL - NVIDIA Networking Docs|url=https://docs.nvidia.com/networking/display/QM97X0PUB/Introduction#Introduction-speeds|access-date=2022-01-18|website=docs.nvidia.com}}</ref> capable of {{nowrap|800 Gbit/s}} links between network equipment. It is a slightly larger version than the QSFP form factor allowing for larger power outputs. The OSFP standard was initially announced in 2016<ref name="OSFP MSA" /> with the 4.0 version released in 2021 allowing for {{nowrap|800 Gbit/s}} via 8×{{nowrap|100 Gbit/s}} electrical data lanes.<ref>{{Cite press release|orig-date=2021-06-03|title=OSFP MSA Announces Release of OSFP 4.0 Specification for 800G Modules|url=https://www.osfpmsa.org/press-releases/pr-20210603.html|access-date=2022-01-18|website=www.osfpmsa.org|quote=With the 800G spec completed, group is developing specification for 1600G modules}}</ref> Its proponents say a low-cost adapter will allow for backwards compatibility with QSFP modules.<ref>{{cite web|url=https://osfpmsa.org/assets/pdf/OSFP-to-QSFP-Adapter.pdf|title=OSFP to QSFP Adapter |access-date=2021-11-02}}</ref>
