Synology DiskStation DS1621+ 6-Bay NAS Enclosure, 4-Core 2.2GHz, 4GB RAM, No HDD

CPU: AMD Ryzen Quad-core 2.2 GHz
Cache Acceleration: Dual M.2 2280 slots for NVMe Cache
Performance: 110K, 174% higher 4K random read IOPS
Scalability: Expand up to 16 drives with two DX517 expansion units
2x M.2 NVMe
10GbE support
Storage Expansion
Fully certified storage virtualization solutions