... , now fiberstore become one of the professional HP 455883-B21 compatible suppliers. Key Featuresl 10GBASE-SR SFP+ 850nm 300m optical transceiverl ... , TUV, CE, FCC, UL and RoHS certificatesl Factory Newl Fully compatible with HPl Operating data rate up to 10.3Gbpsl 850nm ... , Hot Pluggable l Other Optical Link NEW HP 455883-B21 Compatible 10GBase-SR SFP+ Transceiver Module