https://kahlon.com/rn677641_Cisco_7613_Series_Supervisor_Engine_2U_(Sup2U)_WS-X6K-S2U-MSFC2.html
Upgrades and Replacements Parts for Cisco 7613 Series Supervisor Engine 2U (Sup2U) WS-X6K-S2U-MSFC2...
memory, memory upgrades, notebook memory, notebook hard drives and batteries