Only Used a couple of months- Memory Upgraded from 4Gb to 16Gb (Max);- InstalledWD Gold 10TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch;-USB Type-C Quick Access Port;-2-Bay Professional-Grade iSCSI NAS;-Quad-core CPU with Hardware Encryption;- Extend NAS functionality with the PCIe Slot;- Support 4K Hardware decoding and transcodes 4K H,264 videos on-the-fly or offline;