This is the version without the RGB fan, and its £35 less ! worth buying ? Thermaltake recently released a new range of 80 Plus Gold certified power supplies – called the ToughPower GF1. Many publications have been focused on the ARGB models, but we wanted to look at the plain GF1 750W model as its priced much more competitively. £99.98 is much easier to swallow than £134.99 for the ARGB version. Yes, thats £35 less if you can live without an RGB fan.