FT: 2 x Samsung 500GB 860 EVO 2.5" SATA (SATA 6 Gbps) hard drives (Samsung 64‑layer TLC V‑NAND, onboard 512MB LPDDR4 DRAM cache, plus a 22GB SLC write cache, that is classified as a "High-End SATA" SSD hard drive in Zack's huge SSDs tiers doc), that both have a 100% CDI (drive health) report, or...
i Don't have a good knowledge in this field
but i read these articles
http://wccftech.com/amd-radeon-rx-580-570-560-550-specs-gaming-benchmarks-official-leak/
http://www.ttgadget.com/amd-rx-570-graphics-card-card-first-exposure-complete-specifications-leak/...