Loading of textures on the go (Assassin's Creed: Syndicate)

Hello, have on-Board PC
this конфигурацииAMD FX-8350, Sapphire AMD Radeon RX 590 PULSE 8GB, 16 RAM 1600 MHz + Boost 1866 MHz, ASRock 970M Pro3, 120 SSD, 500 GB HDD, Windows 10 Home.
But I do not understand why loading the textures directly into the eyes, live with the problem below.
PS first put the game on the HDD, I saw the problem on the SSD the problem remained.
Spoiler