RTD1619B 4-Core 1.7GHz CPU; 1GB DDR4 non-ECC Memory; 16TB (1 x 16TB) 6Gb/s SATA 3.5-inch HDDs for High-Capacity Storage Efficient Operation: With low energy consumption at just 10.7 W during operation, the DS124 offers eco-friendly and energy-efficient performance Streamlined Data Management: Boost productivity with quick data import and sync capabilities across multiple devices, making it easier to organize, back up, and share files Comprehensive Data Protection: Equipped with the robust Btrfs file system and snapshot technology, the DS124 ensures data integrity through self-healing and allows rollback options for accidental modifications or data loss Hard drives and memory upgrades included separately NOT installed, installation required