- Intel Celeron J3355 Dual-core (2 Core) 2 GHz - 6 x HDD Supported - 30 TB Supported HDD Capacity - 6 x SSD Supported - 30 TB Supported SSD Capacity - 2 GB RAM DDR3L SDRAM - Serial ATA Controller - RAID Supported 0, 1, 5, 6, 10, Basic, Hybrid RAID, JBOD - 6 x Total Bays - 6 x 2.5" Bay - Gigabit Ethernet - 2 USB Port(s) - 2 USB 3.0 Port(s) - Network (RJ-45) - DiskStation Manager - iSCSI, WEBDAV, AFP, FTP, NFSv3, SMB 1.0, CIFS/SMB, SMB 2.0 SATA MINI DSM RAID. Mfr # DS620slim. DS620slim is a mini 6-bay NAS with a stylish chassis design, perfectly blending in modern workplaces or apartments. Supporting near-instantaneous snapshot technology, DS620slim is an all-around file management solution that fulfills professionals’ needs of advanced data protection. Performance Synology strives to enhance the performance of our NAS with every software update, even long after a product is launched. For enterprises and users that demand uncompromising performance from their servers, check the figures here to find the most suitable choice. Main.