Amazon.com: HP A5500-24G DC EI Layer 3 Switch - 24 Ports - Manageable - 24 x RJ-45 - Stack Port - 6 x Expansion Slots - 10/100/1000Base-T : Electronics
HP ProCurve J9146A 2910al-24G-PoE Layer 3 Switch 24 Port Gig PoE Switch | eBay
HPE 5000 Switch Series – PoE Switch & More | Chicago Computer Supply - HP 5120-24G-PoE EI 24 Port L4 Managed Switch JE070A
Amazon.com: HP A5500-24G DC EI Layer 3 Switch - 24 Ports - Manageable - 24 x RJ-45 - Stack Port - 6 x Expansion Slots - 10/100/1000Base-T : Electronics