My R9 390 clock/voltage settings. GPU power consumption down by about 80 W average clock near stock. (Power limit at -42%) : r/Amd
You Can Pair an R9 300 Series GPU with an R9 200 in CrossFire | TechPowerUp
ASUS Radeon R9 390 STRIX 8GB Review | TechPorn
Xfx R9 390 4gb Graphics Cards Amd Radeon R9390 4gb Video Screen Cards Gpu Board Desktop Computer Game Map Videocard Not Mining - Graphics Cards - AliExpress
MSI R9 380 Gaming 4G Review | PCMag
AMD R9 390 CrossFire vs. SLI GTX 970 Benchmark, Ft. Devil 13 Dual-Core 390 | GamersNexus - Gaming PC Builds & Hardware Benchmarks
XFX R9 390 temps in FurMark : r/Amd
PSA: If you have an AMD R9 390, Vive game's probably aren't rendering correctly and this issue may be the cause of stutter / missed frames / lowered quality : r/Vive
First AMD Radeon R9 390 3D Mark Benchmark | guru3D Forums