Key Features . CPU - Intel Xeon D-1527 64-bit ArchitectureSystem Memory - 8 GB DDR4 ECC UDIMM4 Bay4 x Gigabit LAN ports 2x USB 3.0 ports 1x Expansion port5 Year WarrantyHigh-performance and scalable NAS with upgradable memory and; M.2 SSD cache configuration RS1619xs+ is a high-performance and scalable 1U rackmount NAS designed with upgradable memory and M.2 SSD cache configuration to meet the needs of modern businesses that require a flexible reliable and efficient storage solution..