Key Features Scalable 4-bay 1U rackmount NAS for business workgroups Dual-core CPU with built-in floating-point unit 12-inch depth allows for ultra-dense installation Dual 1 Gb E LAN with failover & Link Aggregation support Synology Rack Station RS816 is a compact & scalable 4-bay rackmount NAS with outstanding performance, providing a comprehensive rack-level storage solution for any growing business to effectively manage, share & sync data. You can easily expand your storage capacity with up to 8 drives, minimizing the time spent on setup & maintenance. Compact Rackmount NAS with Great Performance Synology RS816 is a compact 1U 4-bay NAS with a depth of only 12 inches, desgined to boost your productivity in your workplace. Equipped with a Marvell ARMADA dual-core CPU & 1GB DDR3 RAM, RS816 delivers high performance – 219.62 MB/s reading speed & 145.15 MB/s writing speed – under RAID 5 configuration in a Windows environment. Powered with a hardware encryption engine, RS816 excels with its high-speed encrypted data transmission – over 148.98 MB/s for reading & 81.42 MB/s for writing – allowing you to enjoy rapid data transmssion while keeping your valuable data secure & away from potential threats. RS816 comes with one e SATA port & dual USB (Universal Serial Bus) 3.0 ports for fast data transmission to various kinds of external storage devices. The hot-swappable drive tray design allows easy installation & maintenance for both 2.5-inch & 3.5-inch HDDs without any additional tools. Dual Gigabit LAN ports provide failover support to ensure continual network service uptime & Link Aggregation to increase overall network bandwidth. Flexible Scability for More Capacity As your data storage continues to grow, Synology RS816 can grow with you. RS816 can be connected to dedicated expansion units for additional storage on the fly, growing capacity with minimal effort. When paired with a RX415 expansion unit through the specially designed e SATA connector, RS816 can be expanded to up to a total of 8 drives with a raw capacity of up to 64TB.