#SYS-510P-WTR — Barebone System – Rack-mountable – SuperServer – Number of Total Memory Slots: 8 – Number of Total Expansion Bays: 6 – Total Number of USB Ports: 9 – Intel C621A
#SYS-510P-MR — Barebone System – Rack-mountable – SuperServer – Number of Total Memory Slots: 8 – Number of Total Expansion Bays: 6 – Total Number of USB Ports: 11 – Intel C621A