The new AirPort Extreme can house SATA hard drive, teardown reveals
Apple Airport Extreme Base Station 802.11N (5th Gen) - Sam's Club
Disassembling Airport Extremes - Airport Extreme (5th Gen) and Time Capsule (4th Gen) Review - Faster WiFi
Using the AirPort Extreme to Share a USB Printer - AirPort Extreme
Brand X Internet
Amazon.com: OMNIHIL 8 Feet AC Power Cord Compatible with Apple Airport Extreme/Time Capsule - 2TB / 3TB Express Power Supply Charger Cord (White) : Electronics