No Warranty Synology DiskStation DS918+ 4-Bay 3.5" Diskless 2xGbE NAS (SMB) – 4GB RAM

Powerful and scalable 4-bay NAS for growing businesses
Encrypted sequential throughput at over 225 MB/s reading and 221 MB/s writing
Quad-core Intel J3455 processor with AES-NI hardware encryption engine
4GB DDR3L-1866 memory, expandable up to 8GB
Dedicated M.2 NVMe SSD slots for system cache support
Dual 1GbE LAN with failover and Link Aggregation support
Maximum IP cameras: 40 (total of 1,200 FPS at 720p, H.264) (includes two free camera licenses; additional cameras require the purchasing of additional licenses)
M.2 NVMe SSD slot (bottom side) – 2 x M.2 NVMe 2280 SSD (drives not included)