Hardware Specifications Applied Models Supports creating volumes across different units HD6500 Notes To have better performance, we recommend creating storage volumes physically located within the same NAS or Expansion Unit, rather than creating volumes across your NAS and Expansion Unit. Storage Drive Bays 60 Compatible Drive Type* (See all supported drives) 3.5" SAS HDD 2.5" SATA SSD 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. To install 2.5" SATA SSDs, optional 2.5" drive trays (R5) must be purchased separately. Learn more "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 Expansion Port 2 Appearance Size (Height x Width x Depth) 176 mm x 438 mm x 985 mm Size (Height x Width x Depth) (with server ears) 176 mm x 482 mm x 1020 mm Weight 33.9 kg Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-03) Power Power Recovery Synchronized with the Synology RackStation Power Supply Unit / Adapter 1200 W AC Input Power Voltage 200V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 811.8 W (Access) 231 W (HDD Hibernation) British Thermal Unit 2768.24 BTU/hr (Access) 787.71 BTU/hr (HDD Hibernation) Redundant Power Supply Notes Power consumption is measured when it is fully loaded with Synology HAS5300-8T 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 80 mm x 80 mm x 4 pcs Easy Replacement System Fan Noise Level* 61.7 dB(A) Notes Noise Level Testing Environment: Fully loaded with Synology HAS5300-8T hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS 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 UL FCC CE BSMI UKCA EAC VCCI RCM KC BIS Warranty 5 Years Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)