Synology Tower NAS DS1821+ Up to 8 HDD/SSD Hot-Swap, Ryzen V1500B Quad Core, Processor frequency 2.2 GHz, 4 GB, DDR4, RAID 0,1,5,6,10,Hybrid, 4x1GbE, 4xUSB 3.0, 2x eSATA, 1x PCIe, Dual Fan

Gross depth (mm): 360 mm Gross height (mm): 302 mm Gross weight: 8 kg Gross width (mm): 450 mm Net weight: 7.3 kg Packing quantity: 1.00 pc(s) Paper/Pasteboard: 700.00 g Tare weight (kg): 0.7 kg Volume (m3): 0.048924 m Embeeded battery: No WEEE tax: Yes WEE classification: CL109:5:2017-04-01 Processor model: Ryzen V1500B Quad Core Number of storage drives supported: Up to 8 HDD/SSD Hot-Swap Internal memory type: DDR4 Interface: 4x1GbE, 4xUSB 3.0, 2x eSATA, 1x PCIe Ethernet LAN (RJ-45) ports: 4 Drive bays: 8 Processor family: AMD Ryzen Chassis type: Tower Internal RAM: 4 GB Processor frequency: 2.2 GHz Producer product name: DS1821+ Producer product family: Tower NAS Warranty: 36 month(s) Number of 3.5" bays: 8 Other features: Dual Fan RAID levels: RAID 0,1,5,6,10,Hybrid Palette Qty: 35 pc(s)