 "Synology Disk Station DS1517+ - NAS server 0 GB" " Synology GB (8GB) Workgroup Servers CDW.com
"The Btrfs file system introduces the most advanced storage technologies to prevent data corruption and reduce maintenance overhead with optimized snapshots. It ensures high-level data integrity, while taking advantage of flexible, efficient data protection and recovery tools.Equipped with dual-channel memory and a PCIe slot, DS1517+ supports installing the dual M.2 SSD adapter card, M2D17, or the 10GbE NIC, for high-IOPS system cache and ultra-fast data transmission respectively." 
 "NETGEAR ReadyNAS 212 Diskless Network Attached Storage"@en " NETGEAR Storage : RN21200 "@en
   Specifications: Model ReadyNAS 212 # of Bays 2 Max. Capacity Up to 16TB of storage (no hard drives are included) Processor Quad Core 1.4GHz High Performance ARM Cortex A15 Memory 2GB RAM Drive Types Supported SATA/SSD 2.5" or 3.5" Hot Swappable Drives Yes eSATA Port for Additional Storage 1 Port LAN Ports 2 Gigabit Ethernet LAN ports USB Ports (3) USB 3.0 ports Chassis Warranty 3 Years Dimensions 220 x 101 x 142mm Weight 2.03kg