The HP J9538A Switch Module is a Procurve Switch ZL Module. This one comes ready to provide eight?(8) 10?Gb/s SFP+?v2 Ethernet connections (without Power-Over-Ethernet). This HP J9538A Switch Module has been removed from a working unit, tested for complete functionality by our expert in-house HP-Certified Technician, and is ready to ship today! Purchase with confidence, as the photos above represent the exact quality of your items, and come bundled with our 90 Day Warranty. *Please note, we have additional refurbished HP Switch Modules in stock; feel free to send a message and we will update the quantity to suit your specific needs.* Thank you for choosing AltaTech for all of your lightning-fast IT needs!