Synology DiskStation DS925+ ,4-Bay AMD Ryzen R1500B 4-core ,4GB DDR4 ,NAS (NO DISK) , 2.5GbE LAN Port x2
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Dual 2.5GbE networking and expandable ECC memory support small-business file services, backup, synchronisation and surveillance workloads. Nine-bay capacity path Add one DX525 expansion unit to scale from four to nine SATA drive bays. Dual 2.5GbE Two built-in multi-gigabit ports support faster local access and network flexibility. ECC memory The installed 4 GB ECC SODIMM supports a stated maximum of 32 GB. M.2 NVMe options Two M.2 slots support compatible SSD cache or storage-pool configurations. Private cloud services DSM supports controlled file access, collaboration and synchronisation across users and sites. Backup and surveillance Use supported Synology applications for endpoint protection and management of up to 40 recommended cameras. Who is the Synology DiskStation DS925+ best for? A strong choice for Small-business shared storage Private cloud and remote collaboration Multi-endpoint backup Teams using dual 2.5GbE networks Storage deployments that may grow to nine bays Supported surveillance environments Consider another model if you need You need a built-in 10GbE upgrade slot You require more than nine total bays You need PCIe network-card flexibility You prefer a rackmount or redundant-power design Key specifications CPU AMD Ryzen V1500B, 4-core Memory 4 GB DDR4 ECC SODIMM Maximum memory 32 GB Drive bays 4; up to 9 with DX525 M.2 slots 2 × M.2 2280 NVMe Networking 2 × 2.5GbE RJ-45 USB 2 × USB 3.2 Gen 1 Dimensions 166 × 199 × 223 mm Weight 2.26 kg Warranty 3 years, extendable to 5 years Full technical specifications Processor, memory and storage 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 Supported System memory 4 GB DDR4 ECC SODIMM Pre-installed memory 4 GB (4 GB × 1) Memory slots 2 Maximum memory capacity 32 GB (16 GB × 2) Drive bays 4 × 3.5-inch SATA HDD or 2.5-inch SATA SSD Maximum drive bays with expansion 9 (DX525 × 1) Maximum raw capacity guidance Up to 216 TB raw with expansion using 24 TB drives M.2 drive slots 2 × M.2 2280 NVMe Supported drive types 3.5-inch SATA HDD, 2.5-inch SATA SSD and M.2 2280 NVMe SSD Hot-swappable SATA drives Supported M.2 hot swap Not supported Network, ports and expansion 2.5GbE RJ-45 ports 2 USB 3.2 Gen 1 ports 2 Expansion port 1 × USB Type-C expansion port Physical, power and environment Dimensions (H × W × D) 166 × 199 × 223 mm Weight 2.26 kg System fan 92 × 92 mm × 2 Fan modes Full-Speed, Cool and Quiet Adjustable front LED brightness Supported Power recovery Supported Scheduled power on/off Supported Wake on LAN/WAN Supported Noise level 20.5 dB(A) Power supply / adapter 100 W or 120 W, as listed by Synology AC input 100V to 240V AC Power frequency 50/60 Hz, single phase Power consumption — access 37.91 W Power consumption — HDD hibernation 12.33 W British thermal unit — access 129.27 BTU/hr British thermal unit — HDD hibernation 42.05 BTU/hr 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 Warranty, compliance and package contents Warranty 3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus Environmental compliance RoHS compliant Certifications FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC and BIS Package contents Main unit × 1, accessory pack × 1, AC power adapter × 1, AC power cord × 1 and RJ-45 LAN cable × 2 Frequently asked questions about the Synology DiskStation DS925+ What is the Synology DiskStation DS925+?It is an expandable four-bay diskless NAS for business storage, backup, sharing and supported surveillance.Which processor does the DS925+ use?The DS925+ uses a four-core, eight-thread AMD Ryzen V1500B running at 2.2 GHz.How much memory is installed in the DS925+?It includes 4 GB DDR4 ECC SODIMM memory and supports up to 32 GB.How many drive bays can the DS925+ support?It has four internal SATA bays and can expand to nine total bays with one DX525 unit.Does the DS925+ include M.2 slots?Yes. It has two M.2 2280 NVMe slots for compatible SSD cache or storage-pool use.Which network ports are built into the DS925+?It includes two 2.5GbE RJ-45 ports.What transfer performance is stated for the DS925+?Synology states up to 522 MB/s sequential read and 565 MB/s sequential write in its test configuration.Are drives included with the DS925+?No. It is diskless, and compatible SATA and M.2 drives are sold separately.What are the DS925+ dimensions?It measures 166 × 199 × 223 mm and weighs 2.26 kg without drives.What warranty applies to the DS925+?It includes a three-year hardware warranty, extendable to five years through eligible Synology options. Important information: This listing is diskless; drives and the DX525 expansion unit are sold separately. The 216 TB figure uses nine 24 TB drives; usable capacity depends on RAID and configuration. The current official page lists both 100 W and 120 W adapter values; supplied units may differ. M.2 hot swap is not supported, and exact drive compatibility must be checked.
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