QNAP Systems, Inc. is pleased to announce Western Digital Caviar Green 2TB (WD20EADS) SATA hard drive is now supported by the entire TS-109/ 209/ 409/ 509/ 439/ 639/ 809 /809U-RP and the latest TS-119/ 219 Turbo NAS series. 'The latest 2TB Caviar Green hard drives from Western Digital consume up to 70% less power than two 1TB hard drives and are relatively quiet in operation. These hard drives are ideal for customers requiring higher capacities and the right balance of energy conservation and ensured reliability. The maximum capacity can be extended up to a total of 16TB now on a TS-809 or 809U-RP' says Andy Chuo, Product Manager from QNAP. The complete HDD compatibility list is available here.