The Fast Ethernet models come with additional 2 combo uplink ports
dual port 10GBASE-T adapter designed for use in HP ProLiant Gen8 rack
7005 (JP) FIPS/TAA Controller
Organizations that do not require 8 Gbit/sec interfaces can populate the new switches with 4 Gbit/sec SFPs
HP PROCURVE EXPANSION MODULE 20 X 1000 BASE (J9535A#ABA) Computers The Fast Ethernet models comeDesigned For HP E5406 zl Switch, E5406 44G PoE 2XG SFP v2 zl, E5406 44G PoE 4G SFP v2 zl Switch, E5406 44G PoE 4SFP Rack Shippable zl Switch, E5406 44G PoE 4SFP zl Switch, E5406 48G Rack Shippable zl Switch, E5406 48G zl Switch, E5412 zl Switch, E5412 92G PoE 2XG SFP v2 zl Switch, E5412 92G PoE 4G SFP v2 zl Switch, E5412 92G PoE 4SFP Rack Shippable zl Switch, E5412 92G PoE 4SFP zl Switch, E5412 96G zl Switch, E8206 zl Switch, E8206 44G PoE 2XG SFP v2