Hardware Specifications Applied Models Supports creating volumes across different units SA3200D Supports creating volumes on a single unit only UC3200 Storage Drive Bays 12 Compatible Drive Type* (See all supported drives) 3.5" SAS HDD 2.5" SAS HDD 2.5" SAS SSD Maximum Internal Raw Capacity 192 TB (16 TB drive x 12) (Capacity may vary by RAID types) Hot Swappable Drive Notes Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability. "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports SAS IN-port 2 SAS OUT-port 2 Appearance Size (Height x Width x Depth) 88 mm x 430.5 mm x 692 mm Size (Height x Width x Depth) (with server ears) 88 mm x 482 mm x 724 mm Weight 18.2 kg Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-02) Notes The rail kit is sold separately Power Power Supply Unit / Adapter 500 W AC Input Power Voltage 100 V to 240 V AC Power Frequency 50/60 Hz, Single Phase Power Consumption* 299.79 W (Access) British Thermal Unit 1022.93 BTU/hr (Access) Redundant Power Supply (for RP model) Notes Power consumption is measured when it is fully loaded with Seagate ST3600057SS hard drive(s). Temperature Operating Temperature 0°C to 35°C (32°F to 95°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Others System Fan 60 mm x 60 mm x 4 pcs Easy Replacement System Fan Noise Level* 60.9 dB(A) Notes Noise Level Testing Environment: Fully loaded with Seagate ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology expansion unit at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75°C; Humidity: 58.2-61.8%. Certification FCC CE BSMI EAC VCCI RCM KC Warranty 5 Years Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)