HP J3248-69001 - Expansion port module - Includes one multimode fiber-optic SC type connector - Plugs into front of hub - (J3248A) 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 J3235-69001 - AdvanceStack hub 8TXE assembly - Has eight (F) RJ-45 connectors (100Base-T ports) and one MDI cascade port (Note: port 8 cannot be used if MDI cascade port is used) - (Part of J3235A) 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 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
