IBM Blade Network Compatible BN-CKM-SP-LR - 10GBase LR LC, 10 Km, 1310 nm SFP+ transceiver. Keystron's BN-CKM-SP-LR-KS is a IBM® compatible 10GBase SFP+ Optical Transceiver for seamless network integration. Our transceivers perform identically to IBM® original transceivers and are 100% compatible with other OEM and third party transceivers. The BN-CKM-SP-LR-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.