The st4000pexpse 4 port poe nic lets you add four gigabit power over ethernet ports through a single pci express slot each port can provide up to 255w of power combining network data and power over a single ethernet cable for reduced cable clutter and added convenience for remote poe devices the pci express poe card supports the ieee 8023at type 1 and 2 standard for power sourcing equipment pse and can deliver up to 48v dc power to compliant powered devices pd this eliminates the ne