HP J4893-69001 - Replacement ProCurve Switch gl 6-port mini-GBIC module - Includes six mini-GBIC (SFP) transceiver ports - (part of J4893A) Retail
HP J4878-69001 - ProCurve Switch GBIC Module - Provides four slots for installing any of the supported ProCurve mini-GBIC`s (Not included) Retail