Synology RackStation 12-Bay (Diskless) Network Attached Storage (NAS) with iSCSI (RS3614xs+) Blazing performance Superior encryption acceleration SATA III 6 GB/s interface support Dual PCIe Slots for Dual 10 GbE NIC support SSD cache technology boosts throughput Blazing performance & superior encryption acceleration with AES New Instructions. Scale up to 36 HDDs with Synology RX1214/RX1214RP. SATA III 6Gb/s interface support. Dual PCIe slots for dual 10GbE NIC support. Easy fan replacement and easy installation with optioanl screwless rail kit.