Zyxel ZyWALL 5 3CR17251-91 is a Quad Small Form-Factor

is a Quad Small Form-Factor Pluggable Plus (QSFP+) transceiver module designed to support 40 Gigabit Ethernet (40GbE) connections

Model Number: PSFP10-2321SF

Power Supply - 0 if None (W):

WS-C2960+24PC-L

Zyxel ZyWALL 5 3CR17251-91 is a Quad Small Form-FactorCondition: Refurbished Zyxel ZyWALL 5 The Zyxel ZyWALL 5 is a business class firewall and VPN appliance designed for small businesses and remote offices. It provides stateful packet inspection (SPI), VPN capabilities, and traffic management to enhance network security. It is a compact, wired security appliance with essential firewall features, including bandwidth management and intrusion detection. Features: Stateful Packet Inspection (SPI) Firewall