2-3 U rack rail kit; dimensions: 710 x 99 x 68 mm
For QNAP NAS rack-mount models:
SS-EC2479U-SAS-RP, SS-EC1879U-SAS-RP, SS-EC1279U-SAS-RP, TS-879U-RP, TS-1279U-RP, TS-1679U-RP, TS-EC879U-RP, TS-EC1279U-RP, TS-EC1679U-RP, TS-EC1279U-SAS-RP, TS-EC1679U-SAS-RP, SS-EC2479U-SAS-RP, SS-EC1879U-SAS-RP, SS-EC1279U-SAS-RP, TS-EC1680U-RP, TS-EC1280U-RP, TS-EC880U-RP
REXP-1200U-RP, REXP-1600U-RP