1GB Cisco Sup720-3BXL 3rd Party Dram Memory Upgrade (p/n: MEM-SUP720-SP-1GB) by Keystron

100% Compatible with Cisco Catalyst 6503, 6503-E, 6506, 6506-E, 6509, 6509-E, 6509-NEB, 6509-NEB-A, 6513 Supervisor Engine 720-3BXL - WS-SUP720-3BXL - Route/Switch Processor, Catalyst 7603, 7606, 7609, 7613, OSR-7609 Supervisor Engine 720-3BXL - WS-SUP720-3BXL - Route/Switch Processor, Catalyst 6503, 6503-E, 6506, 6506-E, 6509, 6509-E, 6509-NEB, 6509-NEB-A, 6513 Supervisor Engine 720 - MSFC3, Catalyst 7603, 7606, 7609, 7613, OSR-7609 Supervisor Engine 720 - MSFC3, Catalyst 6503, 6503-E, 6506, 6506-E, 6509, 6509-E, 6509-NEB, 6509-NEB-A, 6513 - MSFC2A, Catalyst 7603, 7606, 7609, 7613, OSR-7609 - MSFC2A, Catalyst 7603, 7606, 7609, 7613, OSR-7609 Supervisor Engine 720-3B - WS-SUP720-3B - Route/Switch Processor