Synology SA3400D 2U Rackmount NAS Enclosure, Intel Xeon D-1541, 8GB RAM, 12 Drive Bays, 2.5" Dual-Port SAS SSD / 3.5" Dual-Port SAS HDD Drive Type, Hot-Swappable Drive | SA3400D

Specifications Controller Number of Controller Modules 2 CPU Model Intel Xeon D-1541 Quantity (per controller) 1 Core 8 Architecture 64-bit Frequency 2.1 GHz (base) / 2.7 GHz (turbo) Hardware Encryption Yes Memory System Memory 8 GB DDR4 ECC UDIMM (per controller) Pre-installed Module 8 GB (8 GB x1) (per controller) Total Memory Slots 4 (per controller) Max Memory Capacity 64 GB (16 GB x4) (per controller) Memory Notes Use Synology memory for full warranty and support; identical modules required in multi-module setups. Storage Drive Bays 12 Max Bays with Expansion 36 (RXD1219sas x2) Drive Types 2.5" dual-port SAS SSD / 3.5" dual-port SAS HDD Hot Swappable Drive Yes Storage Notes Only Synology-approved drives guarantee full functionality. External Ports RJ-45 1GbE LAN 2 (per controller) RJ-45 10GbE LAN 1 (per controller) Expansion Port 1 (per controller) Expansion Port Type Mini-SAS HD Port Notes 1GbE LAN MTU size max 1,500 bytes PCIe PCIe Expansion Slot 1 x Gen3 x8 (x8 link) (per controller) Appearance Form Factor 2U Dimensions (H x W x D) 88 x 482 x 724 mm Weight 19.7 kg Rack Installation 4-post 19" rack (RKS-02, sold separately) Cooling System Fans 2 x 60 mm x 60 mm Fan Modes Full-Speed, Cool, Quiet Easy Fan Replacement Yes Power Power Recovery Yes Noise Level 51.3 dB(A) PSU / Adapter 500W Redundant PSU Yes AC Input 100V–240V AC Frequency 50/60 Hz, Single Phase Power Consumption 257.78W (Access, with 12TB HAS5300-12T drives) BTU 879.58 BTU/hr (Access) Power Notes Noise measured with HAS5300-8T in idle; ambient: ~24.5°C, 60% RH Temperature Operating Temp. 0°C to 35°C (32°F to 95°F) Storage Temp. -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH