HP J4857-69201 - ProCurve 9300 redundant management mini-GBIC port module - Has eight open slots for mini-GBIC transceiver modules - (J4857A) Retail
HP J4878-61301 - ProCurve Switch GBIC Module - Provides four slots for installing any of the supported ProCurve mini-GBIC`s (GBIC´s Not included) Retail
