Well, it's a bit redundant as the socket remained 100% the same, but EK send out a press release that the EK Velocity sTR4 series water blocks remain compatible with all newly released AMD TRX40 ba... EK Water Blocks Announces sTRX4 Compatibility with EK Velocity sTR4 Series Blocks
Not sure if I would ever touch EK TR4 waterblock,for less you can have or use Heatkiller IV, Bykski or XSPC which would outperform these blocks Hope this helps Thanks, Jura