Taipei, Taiwan, October 1, 2015 – Thanks to many participants’ valuable feedback and suggestions for QTS 4.2 Release Candidate 5, QNAP have completed several enhancements for its latest NAS operating system and today announced QTS 4.2 Release Candidate 5 is now available for download. QNAP sincerely invite users to install QTS 4.2 Release Candidate 5 to experience the evolution of QTS and extend the possibilities of QNAP NAS. Users can also activate the live update function to receive any new firmware update notification by installing QTS 4.2 Release Candidate 5. Availability & Compatibility QTS 4.2 Release Candidate 4 is now available for the following QNAP NAS models: 24-bay: SS-EC2479U-SAS-RP, TS-EC2480U-RP, TVS-EC2480U-SAS-RP 18-bay: SS-EC1879U-SAS-RP 16-bay: TVS-EC1680U-SAS-RP, TS-EC1680U-RP, TS-EC1679U-SAS-RP, TS-EC1679U-RP, TS-1679U-RP 12-bay: SS-EC1279U-SAS-RP, TVS-EC1280U-SAS-RP, TVS-1271U-RP, TS-EC1280U-RP, TS-EC1279U-SAS-RP, TS-EC1279U-RP, TS-1279U-RP, TS-1270U-RP,TS-1269U-RP, TS-1253U-RP, TS-1253U 10-bay: TS-1079 Pro, TVS-EC1080+, TVS-EC1080, TS-EC1080 Pro 8-bay: TVS-EC880, TVS-871U-RP, TVS-871, TVS-870, TVS-863+, TVS-863, TS-EC880U-RP, TS-EC880 Pro, TS-EC879U-RP, TS-879U-RP, TS-879 Pro, TS-870U-RP, TS-870 Pro, TS-870, TS-869U-RP, TS-869L, TS-869 Pro, TS-859U-RP+, TS-859U-RP, TS-859 Pro+, TS-859 Pro, TS-853U-RP, TS-853U, TS-853S Pro, TS-853 Pro, TS-851, SS-839 Pro 6-bay: TVS-671, TVS-670, TVS-663, TS-670 Pro, TS-670, TS-669L, TS-669 Pro, TS-659 Pro+, TS-659 Pro II, TS-659 Pro, TS-653 Pro, TS-651, TS-639 Pro 5-bay: TS-569L, TS-569 Pro, TS-563, TS-559 Pro+, TS-559 Pro II, TS-559 Pro 4-bay: TVS-471U-RP, TVS-471U, TVS-471, TVS-470, TVS-463, TS-470U-SP, TS-470U-RP, TS-470 Pro, TS-470, TS-469U-SP, TS-469U-RP, TS-469L, TS-469 Pro, TS-459U-RP+/SP+, TS-459U-RP/SP, TS-459 Pro+, TS-459 Pro II, TS-459 Pro, TS-453U-RP, TS-453U, TS-453S Pro, TS-453mini, TS-453 Pro, TS-451U, TS-451S, TS-451, TS-439U-RP/SP, TS-439 Pro II+, TS-439 Pro II, TS-439 Pro, TS-431U, TS-431+, TS-431, TS-421U, TS-421, TS-420U, TS-420-D, TS-420, TS-419U+, TS-419U II, TS-419U, TS-419P+, TS-419P II, TS-419P, TS-412U, TS-412, TS-410U, TS-410, SS-439 Pro, IS-400 Pro 2-bay: TS-269L, TS-269H, TS-269 Pro, TS-259 Pro+, TS-259 Pro, TS-253 Pro, TS-251C, TS-251, TS-239H, TS-239 Pro II+, TS-239 Pro II, TS-239 Pro, TS-231+, TS-231, TS-221, TS-220, TS-219P+, TS-219P II, TS-219P, TS-219, TS-212P, TS-212-E, TS-212, TS-210, HS-251, HS-210 1-bay: TS-131, TS-121, TS-120, TS-119P+, TS-119P II, TS-119, TS-112P, TS-112, TS-110
