Synology DiskStation DS1821+ NAS/storage server Tower Ryzen Embedded V1500B 4 GB DDR4 0 TB DiskStation Manager Black

Certification: RoHS FCC CE BSMI EAC CCC KC VCCI RCM | Wake-on-LAN ready: Yes | Supported storage drive types: HDD & SSD | Internal memory type: DDR4 | Ethernet LAN: Yes | Storage temperature (T-T): -20 - 60 °C | Type: NAS | Depth: 243 mm | Noise level: 22.2 dB | Product colour: Black | PCI Express x8 (Gen 3.x) slots: 1 | RAID support: Yes | Processor model: V1500B | RAID levels: JBOD | Ethernet LAN data rates: 1000 Mbit/s | RAID levels: 1 | Operating temperature (T-T): 0 - 40 °C | RAID levels: 10 | ECC: Yes | On/off switch: Yes | Cable lock slot type: Kensington | Ethernet LAN (RJ-45) ports: 4 | Internal memory: 4 GB | Cables included: AC | Supported storage drive interfaces: M.2, Serial ATA | Cables included: LAN (RJ-45) | RAID levels: 0 | Operating relative humidity (H-H): 5 - 95% | Reset button: Yes | Cooling type: Active | Width: 343 mm | Processor manufacturer: AMD | Processor family: Ryzen Embedded | RAID levels: 6 | Power consumption (typical): 59.8 W | LED indicators: Yes | Memory form factor: SO-DIMM | AC input frequency: 50 - 60 Hz | Processor cores: 4 | USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4 | On-board graphics card model: Not available | RAID levels: 5 | Number of storage drives supported: 8 | eSATA ports quantity: 2 | Web-based management: Yes | AC input voltage: 100-240 V | Processor frequency: 2.2 GHz | Cable lock slot: Yes | Weight: 6 kg | Backup function: Yes | Storage drive sizes supported: M.2 | Storage drive sizes supported: 2.5 | Storage drive sizes supported: 3.5 | Server operating systems supported: Windows Server 2019 | Number of fans: 2 fan(s) | USB port: Yes | Server operating systems supported: Windows Server 2016 | Supported network protocols: SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | Browser supported: Google Chrome, Firefox, Microsoft Edge, Internet Explorer 10+, Safari 10+ | Operating system installed: DiskStation Manager | Chassis type: Tower | Height: 166 mm | Online RAID expansion: Yes | Supported file systems: Fat | Supported file systems: HFS+ | Supported file systems: BTRFS | Power consumption (HDD standby): 26.18 W | Power supply location: Built-in | Maximum supported storage capacity: 108 TB | Supported file systems: ext4 | Supported file systems: ext3 | Supported file systems: NTFS | Power supply unit (PSU) capacity: 250 W | Multilingual support: Yes | Installed storage drive type: No | Hot-swap drive bays: Yes | Total installed storage capacity: 0 TB | Backup features: Cloud | Storage drives installed: No | Number of power supply units: 1 | Fan diameter 2: 12 cm | Access Control List (ACL): Yes | Hot spare: Yes | Online RAID migration: Yes | System log: Yes | Number of M.2 (M & B) slots: 2 | Fan diameter: 12 cm | Memory slots: 2 | Link aggregation: Yes | Storage drive capacity: 0 GB | Harmonized System (HS) code: 84714100 | iSCSI support: Yes | Snapshot: Yes | Number of users: 2048 user(s) | Maximum RAM supported: 32 GB | Backup features: iSCSI LUN | Processor generation: AMD Ryzen Embedded V1000 Series | Device class: Large Enterprise Business