Cisco MEM-X45-512MB-E= 0.5GB SDRAM memory module

Catalyst 4500 512MB to 1 GB SDRAM Upgrade for Supervisor Engine 6-E Cisco Systems is the worldwide leader in networking systems. Cisco's networking solutions connect people, computing devices and computer networks, allowing people to access or transfer information without regard to differences in time, place or type of computer system. Cisco offers a variety of upgrades to support all its products, to provide full flexibility and to satisfy the most advanced demands of its customers.