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 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 Yes Notes "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 Rack Installation Support 4-post 19" rack (Synology Rail Kit - RKS1317) 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) Yes Notes Power consumption is measured when it is fully loaded with Seagate ST3600057SS hard drive(s). Temperature Operating Temperature 0oC to 35oC (32oF to 95oF) Storage Temperature -20oC to 60oC (-5oF to 140oF) Relative Humidity 5% to 95% RH Others System Fan 60 mm x 60 mm x 4 pcs Easy Replacement System Fan Yes 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: 24.25-25.75C Humidity: 58.2-61.8%. Certification FCC CE BSMI EAC VCCI RCM KC Environment and Packaging Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Cord X 2 Expansion Cable: Mini-SAS HD X 2 Quick Installation Guide X 1 Optional Accessories Synology Rail Kit Sliding - RKS1317 Item Dimension (L"xW"xH") 34 x 26 x 10