RTD1619B 4-Core 1.7GHz CPU; 2GB DDR4 non-ECC Memory; 44TB (2 x 22TB) 6Gb/s SATA 3.5-inch HDDs for High-Capacity Storage Efficient Operation: With low energy consumption at just 17.3 W during operation, the DS223 offers environmentally friendly data management Streamlined Data Management: Import data from various sources 14% faster, sync across devices, and simplify file organization, making data management hassle-free Comprehensive Data Protection: Utilizing the self-healing Btrfs file system and snapshot technology, the DS223 safeguards against data corruption and offers rollback options for accidental or malicious changes Hard drives and memory upgrades included separately not installed, installation required