Synology DiskStation 4-Bay NAS (DS925+)

Please ensure storage drives are on the compatible drives list provided by Synology. Incompatibilities caused by unsupported drives may not be covered by warranty.SPECIFICATIONS:CPU ModelAMD Ryzen V1500BCPU Quantity1CPU Core4CPU Architecture64-bitCPU Frequency2.2 GHzHardware Encryption EngineSystem Memory4 GB DDR4 ECC SODIMMMemory Module Pre-installed4 GB (4 GB x 1)Total Memory Slots2Maximum Memory Capacity32 GB (16 GB x 2)NotesSynology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.Drive Bays4Maximum Drive Bays with Expansion Unit9 (DX525 x 1)M.2 Drive Slots2 (NVMe)Drive Type (See all supported drives)3.5" SATA HDD2.5" SATA SSDM.2 2280 NVMe SSDHot Swappable DriveNotesThe hot swappable drive feature is not supported by M.2 SSD slots.Compatible drives are mandatory. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article.RJ-45 2.5GbE LAN Port2USB 3.2 Gen 1 Port2Expansion Port1Expansion Port TypeUSB Type-CSize (Height x Width x Depth)166 mm x 199 mm x 223 mmWeight2.26 kgSystem Fan92 mm x 92 mm x 2 pcsFan Speed ModeFull-Speed ModeCool ModeQuiet ModeBrightness Adjustable Front LED IndicatorsPower RecoveryNoise Level20.5 dB(A)Scheduled Power On / OffWake on LAN / WANPower Supply Unit / Adapter100 watts120 wattsAC Input Power Voltage100V to 240V ACPower Frequency50/60 Hz, Single PhasePower Consumption37.91 watts (Access)12.33 watts (HDD Hibernation)British Thermal Unit129.27 BTU/hr (Access)42.05 BTU/hr (HDD Hibernation)NotesFor more information on how power consumption is measured, refer to this article.Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two G.R.A.S. Type 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75C; Humidity: 58.2-61.8%Operating Temperature0C to 40C (32F to 104F)Storage Temperature-20C to 60C (-5F to 140F)Operating Humidity8% to 80% RHStorage Humidity5% to 95% RHCertificationFCCCEBSMIVCCIRCMUKCAEACCCCKCBISEnvironmentRoHS CompliantPackaging Content Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2