2 x HP ProCurve Switch 100/1000-T 4-port XL Gigabit Module - J4821B. 2 xProCurve XL 24 Port 10/100-TX Module - J4820B. 1 x HP ProCurve 5308XL J4819A 8-Slot Modular Network Switch Chassis. These secure, convergence-ready switches provide flexibility and high port density.
eBay