The xfx radeon r9 390 series graphics cards puts premium 4k gaming and virtual reality within reach experience smooth true to life and stutter free gameplay with ultra high performance and resolution thanks the 8gb of onboard memory a whole new dimension of gaming for a whole new reality your days of gaming in mere hd are behind you all the power you need for the most immersive 4k gaming experience and beyond now and tomorrow specifications gpu amd radeon r9 390x gpu product edition