SAPPHIRE R9 290 Tri-X has 2560 stream processing units and an engine clock of up to 957MHz. Also equipped with 4GB of the latest high performance GDDR5 memory on a 512-bit interface and clocked at 1250MHz (5.0GHz effective).
AMD CrossFire
AMD PowerTune
AMD ZeroCore Power Technology
AMD Eyefinity
Quad HD Display (4Kx2K Support)
AMD HD3D Technology
AMD Tress FX Technology
AMD TrueAudio Technology
Universal Video Decoder (UVD)
Required Computer Operating Systems - Windows 7
Required Computer Operating Systems - Windows 8
Required Computer Operating Systems - Windows Vista