I believe they said G900/G403 wireless polling was like that to save battery. That's probably not necessary with this system but I don't think it's a big deal either way.
mouse: Razer Viper
mousepad: ASUS ROG Scabbard
keyboard: Corsair K70 Rapidfire
monitor: Alienware AW2518HF
headphones: Sennheiser HD 800 S