QTS 4.2 (embedded Linux). System Status, HDD, USB, LAN.Power Supply: AC adapter, 90W, 100 - 240V Power Consumption: HDD standby: 11.65W In operation: 26.7W (with 4 x 1TB HDD installed). Centralizes file storage, sharing and backup with excellent performance Full NAS encryption using volume-based technology and hardware acceleration Supports QmailAgent as a mailroom center and Qcontactz for centralizing contact information Synchronize files between the TS-431P, computers, laptops, and mobile devices Stream your multimedia library via DLNA, AirPlay & Chromecast Build a surveillance center to safeguard your home and office. 6.65" x 6.30" x 8.62. TS-431P 2 x Ethernet cable Quick installation guide (QIG) Flat head screw (for 3.5" HDD) Flat head screw (for 2.5" HDD) Adapter Power cord. This listing is currently undergoing maintenance, we apologise for any inconvenience caused. The item "Qnap TS-431P-US 4-Bay Personal Cloud NAS, ARM Cortex A15 1.7GHzDual Core, 1GB RA" is in sale since Sunday, February 5, 2017. This item is in the category "Computers/Tablets & Networking\Drives, Storage & Blank Media\Hard Drives (HDD, SSD & NAS)\Network Attached Storage". The seller is "newegg" and is located in United States. This item can be shipped to United States.