Synology RS812 delivers an average 50.6 MB/sec writing speed under RAID 5 configuration in a Windows environment, & 109.7 MB/sec reading. The 2 LAN with failover support & hot-swappable drives will ensure continual service uptime should the drives need replacement or the unexpected LAN failure. Synology RS812 provides a reliable solution for data sharing with an easy to use interface, & comprehensive office applications, including a complete backup solution making it one of the best values in 4-bay rackmount NAS devices available today. Optimal Price/ Performance Ratio 2 LAN with Failover & Link Aggregation Support Scale up to 8 Drives with Synology RX410 VMware, Citrix, Microsoft Hyper-V compliance Power-saving with only 37 Watts in Operation Affordable Total Cost of Ownership Running on Synology Disk Station Manager (DSM) Please note: networking components such as switches, routers, UPS & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com.