Synology 4Bay NAS DiskStation DS925+

4-bay with expansion Up to 216 TB of raw storage with expansion unit2,3 High-speed storage Two built-in 2.5GbE ports and over 522/565 MB/s sequential read/write4 Versatile applications Back up multiple endpoints, manage 40 IP cameras5 , or safely sync and share files across sites 2.5GbE connectivity and diverse storage options The DS925+ features built-in 2.5GbE networking and supports both SATA flash drives and HDDs in 2.5"/3.5" internal bays, as well as M.2 NVMe drives via M.2 slots for use as either cache or storage pools.2 Expand capacity for evolving needs Consolidate your data with up to 96 TB of raw storage across 4 bays. Need more space? Add capacity with the DX525 for up to 216 TB of total raw storage.3 Store, share, and protect Manage all your documents, photos, and other files, back up applications and devices, and protect your assets with professional video surveillance. Hardware Specifications CPU CPU Model AMD Ryzen V1500B CPU Quantity 1 CPU Cores 4 CPU Threads 8 CPU Architecture 64-bit CPU Frequency 2.2 GHz Hardware Encryption Engine Memory System Memory 4 GB DDR4 ECC SODIMM Memory Module Pre-installed 4 GB (4 GB × 1) Total Memory Slots 2 Maximum Memory Capacity 32 GB (16 GB x 2) Notes Synology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and 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. Storage Drive Bays 4 Maximum Drive Bays with Expansion Unit 9 (DX525 × 1) M.2 Drive Slots 2 (NVMe) Drive Type (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD M.2 2280 NVMe SSD Hot Swappable Drive* Notes The hot swappable drive feature is not supported by M.2 SSD slots. Synology only guarantees full functionality, reliability, and performance for compatible drives. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article. External Ports RJ-45 2.5GbE LAN Port 2 USB 3.2 Gen 1 Port 2 Expansion Port 1 Expansion Port Type USB Type-C Appearance Size (Height x Width x Depth) 166 mm × 199 mm × 223 mm Weight 2.26 kg Others System Fan 92 mm × 92 mm × 2 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 20.5 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 100 watts 120 watts* AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 37.91 watts (Access) 12.33 watts (HDD Hibernation) British Thermal Unit 129.27 BTU/hr (Access) 42.05 BTU/hr (HDD Hibernation) Notes For 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: 24.25-25.75˚C; Humidity: 58.2-61.8% Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Operating Humidity 8% to 80% RH Storage Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA EAC CCC KC BIS Warranty 3-year hardware warranty, extendable to 5 years with EW201 Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) EW201/EW202 is only available in Asia, Africa, and Oceania. Refer to the Extended Warranty website for details on supported countries/regions. (Learn more) Environment RoHS Compliant Packaging 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 Optional Accessories DDR4 ECC SODIMM: D4ES04-4G/D4ES03-8G/D4ES03-16G Expansion Units: DX525 Enterprise Series 3.5" SATA HDD: HAT5300 Series Plus Series 3.5" SATA HDD: HAT3300 Series Enterprise Series 2.5" SATA SSD: SAT5200 Series Enterprise Series M.2 2280 NVMe SSD: SNV3400 & SNV5400 Series Notes 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.