Synology FlashStation FS3420 24-Bay NAS Enclosure, Intel Xeon D-1739 8-Core 3.0GHz Processor, 32GB DDR4 ECC RDIMM, Dual 10GbE LAN, 2x PCIe Gen4 x8 Slots, 2U Rackmount, Diskless | FS3420

Specifications CPU Model Intel Xeon D-1739 CPU Quantity 1 CPU Cores 8 CPU Threads 16 CPU Architecture 64-bit CPU Frequency 3.0 GHz (base) / 3.5 GHz (turbo) Hardware Encryption Engine Not specified System Memory 32 GB DDR4 ECC RDIMM Pre-installed Memory 32 GB (32 GB × 1) Total Memory Slots 6 Maximum Memory Capacity 192 GB (32 GB × 6) Memory Notes Synology may revise pre-installed memory specifications according to component lifecycle and supply conditions. Revised components undergo validation for equivalent compatibility, stability, and performance. Memory Compatibility Synology recommends its own memory modules for compatibility and reliability. Complete product warranty or technical support will not be provided if non-Synology memory modules are used for expansion. Refer to the product manual for recommended configurations. Drive Bays 24 × 2.5" SATA SSD Hot-Swappable Drives Not specified Drive Compatibility Compatible drives are mandatory. Consult the Synology drive compatibility list before purchasing drives. SSD Cache Supported with select compatible SSDs; consult the model-specific compatibility list. SSDs sold separately. RJ-45 10GbE LAN Ports 2 Out-of-Band Management LAN Ports 1 USB 3.2 Gen 1 Ports 2 PCIe Expansion 2 × PCIe Gen4 x8 slots (x8 link) Form Factor 2U Dimensions (H × W × D) 88 × 482 × 724 mm Weight 15.0 kg Rack Installation Support 4-post 19" rack, using Synology RKS-02 Rail Kit Rail Kit Sold separately System Fans 4 × 80 × 80 mm fans Fan Speed Modes Full-Speed Mode; Cool Mode; Quiet Mode Easy Replacement System Fan Not specified Power Recovery Not specified Noise Level 37.8 dB(A) Scheduled Power On/Off Not specified Wake on LAN/WAN Not specified Power Supply Unit / Adapter 550 W Redundant Power Supply Not specified AC Input Voltage 100–240V AC Power Frequency 50/60 Hz, single phase Power Consumption 122.0 W (Access) Heat Output 416.02 BTU/hr (Access) Power Measurement Notes Refer to Synology’s power consumption testing documentation for measurement methodology. Noise Testing Conditions System fully installed with Synology SATA SSDs and idle. Two G.R.A.S. Type 40AE microphones positioned 1 m from the front and rear. Background noise: 16.49–17.51 dB(A); temperature: 24.25–25.75°C; humidity: 58.2–61.8%. Operating Temperature 0–35°C (32–95°F) Storage Temperature -20–60°C (-5–140°F), as provided Operating Humidity 8–80% RH Storage Humidity 5–95% RH Certifications FCC; CE; BSMI; VCCI; RCM; UKCA; EAC; CCC; KC; BIS; UL Warranty Notes Warranty begins on the purchase date shown on the purchase receipt. Environmental Compliance RoHS Compliant Package Contents 1 × Main unit; 1 × Accessory pack; 2 × C13-to-C14 power cords; 1 × Front cover