Hardware Specifications Applied Models Supports creating volumes across different units SA series:SA6400 23 series:RS2423RP+, RS2423+ 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 12 Compatible Drive Type* (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD Hot Swappable Drive* RAID Management through Synology DSM 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 Expansion Port 1 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 13.9 kg Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-02) Notes The rail kit is sold separately Power Power Recovery Synchronized with the Synology RackStation Power Supply Unit / Adapter 550 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 93.59 W (Access) 30.73 W (HDD Hibernation) British Thermal Unit 319.34 BTU/hr (Access) 104.86 BTU/hr (HDD Hibernation) Redundant Power Supply (for RP model) Notes For more information on how power consumption is measured, refer to this article. 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* 54.3 dB(A) Notes Noise Level Testing Environment: Fully loaded with Synology SAT5200-480G SSD 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 Warranty 5 Years Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) Environment & Packaging Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Cord X 2 Expansion Cable: MiniSAS-HD X 1 Quick Installation Guide X 1 Optional Accessories 3.5" SATA HDD: HAT5300/HAT3300 2.5" SATA SSD: SAT5210 Rail Kit Sliding: RKS-02