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

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