Synology DiskStation DS425+ (64 TB) - Network-attached storage, Black

The Synology DiskStation DS425+ is a 4-bay network-attached storage (NAS) system with 64 TB of total capacity, supplied with four 16 TB HAT5300 enterprise-grade hard drives. An Intel Celeron J4125 quad-core processor powers the system at a base frequency of 2 GHz. Network connectivity is provided by two 2.5 GbE RJ-45 ports. The system supports various RAID configurations, including RAID 0, 1, 5, 6, 10, and JBOD, allowing for a choice between performance and redundancy. Online RAID expansion and migration are supported, allowing storage adjustments without downtime.

The black desktop chassis is cooled by two 92 mm fans that maintain a noise level of 21.6 dB during operation. The system includes 2 GB of DDR4 RAM, expandable to 6 GB via one available slot. Two integrated M.2 2280 NVMe slots allow for SSD caching, which accelerates read and write performance without occupying the primary drive bays. External connectivity includes two USB 3.2 Gen 1 ports for peripherals or local backups. The preinstalled Synology DiskStation Manager (DSM) operating system includes tools for snapshot replication and iSCSI block storage. It supports Btrfs, ext4, and NTFS file systems, ensuring compatibility with various network environments. The NAS has a typical power consumption of 28.25 W and uses an external 90 W power supply.

• Intel Celeron J4125 quad-core processor with a 2.7 GHz burst frequency.
• Dual 2.5 GbE Ethernet ports with support for link aggregation.
• Four hot-swappable drive bays pre-populated with 16 TB enterprise-class SATA HDDs for a total capacity of 64 TB.
• Two dedicated M.2 2280 NVMe slots for SSD caching to improve random I/O response times.
• Support for up to 512 concurrent connections and 512 user accounts.
• Hardware-based AES-256 encryption and HTTPS support.
• Btrfs file system support for advanced point-in-time snapshots.