N2 Announces XL280 ATX Power Supplies N2 Announces XL260-2 ATX Power Supplies N2 Announces DC-DC Power Supplies N2 Announces XL375 Series Power Supplies: Very compact design achieves 93% efficiency N2 Announces XL275 Series: This new 275 watt AC-DC power supplies exceed 90% efficiency, saving power and money. N2Power and Nu Horizons in Global Distribution Agreement