Synology DiskStation DS425+ NAS/storage server Intel Celeron J4125 2 GB DDR4 0 TB Black - only Synology HDD

Web-based management: Yes | Width: 199 mm | USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2 | Backup function: Yes | Height: 166 mm | RAID levels: 0 | Cooling type: Active | RAID levels: 6 | Noise level: 21.6 dB | Ethernet LAN data rates: 2500 Mbit/s | Processor boost frequency: 2.7 GHz | Weight: 2.18 kg | Number of users: 512 user(s) | RAID levels: 5 | Storage drive sizes supported: M.2 | RAID levels: JBOD | RAID levels: 10 | On/off switch: Yes | Storage drive sizes supported: 2.5 | Processor cores: 4 | RAID support: Yes | Operating relative humidity (H-H): 5 - 95% | Supported storage drive interfaces: M.2, Serial ATA | Processor family: Intel® Celeron® | AC input frequency: 50 - 60 Hz | ECC: No | Ethernet LAN: Yes | RAID levels: 1 | Number of storage drives supported: 4 | Ethernet LAN (RJ-45) ports: 2 | Internal memory: 2 GB | Depth: 223 mm | Operating temperature (T-T): 0 - 40 °C | Internal memory type: DDR4 | USB port: Yes | Snapshot: Yes | Product colour: Black | Installed storage drive type: No | Cables included: AC | Cables included: LAN (RJ-45) | Storage relative humidity (H-H): 5 - 95% | Type: NAS | Wake-on-LAN ready: Yes | Supported storage drive types: HDD & SSD | Storage drive sizes supported: 3.5" | Memory slots: 1 | Fan diameter: 9.2 cm | Number of fans: 2 fan(s) | Processor model: J4125 | Storage temperature (T-T): -20 - 60 °C | Processor manufacturer: Intel | LED indicators: Yes | Processor frequency: 2 GHz | AC input voltage: 100 - 240 V | Power consumption (typical): 28.25 W | System log: Yes | Number of M.2 (M & B) slots: 2 | Hot-swap drive bays: Yes | Maximum RAM supported: 6 GB | Power supply location: External | Power consumption (HDD standby): 6.1 W | Storage drive capacity: 0 GB | Total installed storage capacity: 0 TB | Fan diameter 2: 9.2 cm | Backup features: Cloud | Supported file systems: ext3 | Supported file systems: NTFS | Storage drives installed: No | Supported file systems: exFAT | Supported file systems: FAT32 | Supported file systems: ext4 | Backup features: iSCSI LUN | Supported file systems: BTRFS | Multilingual support: Yes | Supported file systems: HFS+ | External power adapter: Yes | Power supply unit (PSU) capacity: 90 W | Drive bay locking: Yes | Device class: Home & Home Office | Maximum supported storage capacity: 80 TB | Access Control List (ACL): Yes | Warranty period: 3 year(s) | Power cables quantity: 1 | Compliance certificates: RoHS