Stefan Mileschin

Be Quiet launched its SFX Power 2 and TFX Power 2 lines of power supplies for compact gaming PC builds. As their names suggest, they're based on the SFX and TFX form-factors, respectively. The SFX Power 2 comes in capacities of up to 400W, with enough juice to drive a gaming PC with a single high-end graphics card; while the TFX Power 2 comes in sizes of up to 300W, with the ability to power gaming PCs with performance-segment graphics cards. The TFX Power 2 300W flaunts 80 Plus Gold efficiency, and a dual-12V rail design; while the SFX Power 2 400W makes do with 80 Plus Bronze efficiency rating, and a dual-12V rail design.

http://www.techpowerup.com/201701/be...er-2-psus.html