Drive Bays 24, Power Supply 2x 500W, 100V to 240V AC, 50/60 Hz, Single Phase, Consumption201.6 W (Access);117.2 W (HDD Hibernation), Operating Temperature 5 to 35 deg. C (41 to 95 deg. F), Storage Temperature-20 to 60 deg. C (-4 to 140 deg. F), Relative Humidity 5 to 95% RH. Synology RX2417sas delivers an effortless solution for volume expansion and data backup for Synology FlashStation/RackStation by adding 24 SAS/SATA drive bays on the fly. Synology RX2417sas is backed with Synology’s.