I complied a list of Seasonic OEMs with 120mm or larger fans. Could perhaps take further pruning of units based on older platforms and ridiculously high power ratings.Antec
High Current Gamer HCG-400, HCG-520, HCG-620
High Current Gamer M (modular)
True Power New (semi-modular)
True Power TrioBe Quiet!
Dark Power Pro BQT P10-850W, BQT P10-1000W, BQT P10-1200W (modular)Corsair
CMPSU-650TX, CMPSU-650TXV2, CMPSU-750TXV2, CMPSU-850TXV2
HX450, HX520, HX620, HX650 (modular)
AX (fully modular)JouJye
Hale82 (modular)PC Power & Cooling(OCZ)
Silencer MK III (modular)Silverpower
SP-SS (some modular models)XFX (some modular models)
EDIT: Added notes on modular cabling.