Keystron's J4859C-KS (J4859A-KS) is a HP® compatible 1000Base-LX SFP Optical Transceiver for seamless network integration. Our transceivers perform identically to HP® original transceivers and are 100% compatible with other OEM and third party transceivers. The J4859C-KS is 100% MSA (Multi-Source Agreement) compliant. All Keystron's transceivers are tested for 100% functionality and guaranteed compatible for outstanding network performance.

Keystron offers full line of Optical Transceivers for all your networking needs. Now you have a reliable, compatible and affordable means to expand your network while maintaining its integrity.