HP J3288-69001 - ProCurve hub assembly - Has 12 (F) RJ-45 connectors (10/100 Base-T ports) - (Part of J3288A) Retail
HP J4091-69001 - ProCurve hub assembly - Has eight RJ-45 connectors (100 Base-T ports) and one RJ-45 MDI cascade port - Does NOT include the power module - (Part of J4091A) Retail
HP J4090-69001 - ProCurve hub assembly - Has eight RJ-45 connectors (10 Base-T ports) and one RJ-45 MDI cascade port - Does NOT include the power module - (Part of J4090A) Retail
HP J3272-69001 - AdvanceStack hub 24TX assembly - Has 24 (F) RJ-45 connectors (100Base-T ports), and one MDI RJ-45 connector (for cascading to another hub) - (Part of J3272A( Retail
HP J2611-69001 - AdvanceStack hub assembly - Has 16 (F) RJ-45 connectors (10Base-T ports) and a transceiver module slot - (Part of J2611A) Retail