T-Power Compatible with 4Pin Cisco SG300-10P Small Business SRW2008P-K9-NA Managed Switch Replacement Ac Dc Adapter Switching Power Supply Cord Charger T-Power ac adapters are made with the highest quality materials tested by manufacturer to match and /or exceed specifications of OEM products . Input Voltage Range: AC 100V - 240V ( 4-PIN Connector ) 1-year limited warranty Compatible with: 4Pin Cisco SG300-10P Small Business SRW2008P-K9-NA Managed Switch