Synology 6-Bay DS1621+ DiskStation

CPU: AMD RyzenTM V1500B quad-core 2.2 GHz
Hardware encryption engine: Yes (AES-NI)
Memory: 4 GB DDR4 ECC SODIMM (expandable up to 32 GB)
Compatible drive types:
• 6 x 3.5" or 2.5" SATA HDD/SSD (drives not included)
• 2 x M.2 2280 NVMe SSD (drives not included)
Hot swappable drives: Yes
External ports:
• 3 x USB 3.2 Gen 1
• 2 x eSATA
Size (HxWxD): 166 x 282 x 243 mm
Weight: 5.1 kg
LAN ports: 4 x 1GbE RJ-45
Wake on LAN/WAN: Yes
PCIe 3.0 slots:
• 1 x 4-lane x8 slot
• Supports 10/25GbE network interface cards³
Scheduled power on/off: Yes
System fans: 2 (92 x 92 x 25 mm)
AC input power voltage: 100 V to 240 V AC
Power consumption:
• Access: 51.22 W
• HDD Hibernation: 25.27 W
Power frequency: 50/60 Hz, single phase
Operating temperature: 0°C to 40°C (32°F to 104°F)
Storage temperature: -20°C to 60°C (-5°F to 140°F)
Relative humidity: 5% to 95% RH
Maximum operating altitude: 5,000 m (16,400 ft)