1m (3ft) Senko CS™ UPC to LC UPC Flat Clip Uniboot Duplex OS2 Single Mode PVC (OFNR) 2.0mm Fiber Optic Patch Cable, for 200/400G Network Connection

"CS™ UPC to LC UPC Uniboot Duplex 9/125μm Single Mode PVC Fiber Optic Patch Cable
Senko CS™ connector is designed for next generation 200/400G transceiver QSFP-DD and OSFP, meeting the requirement for CWDM4, FR4, LR4 and SR2, which is optimized as a robust higher density replacement over the duplex LC connector in both the rack and structured cabling environments.

The CS™-LC uniboot duplex single mode fiber optic patch cables are available to interconnect or cross connect fiber networks. It is also backward compatible with 40Gb and 100Gb networks, so you can future-proof your current application for an eventual upgrade to 400Gb."