Synology NAS 5-Bay, 4x 1GbE, PCIe 2GB RAM Intel Atom C2538 Quad Core 2.4GHz ~2100 Benchmark 2X eSATA 4X LAN 1X PCIe v2 x8 5X SATA 7-pin Discrete with Power 4X USB3 type A (host) DS1517+ 4-Bay 4GB RAM Celeron J3455 Quad 1.5 GHz (2.3 GHz)