Air Tower Best Recommend 2026年。Tier 1 Premium: Noctua NH-D15 G2 ¥24,000(260W TDP・168mm高・NF-A14x25 G2 x2同梱・5-year)・be quiet! Dark Rock Pro 5 ¥16,000(270W・162mm・QuietLogic)・Tier 2 Mainstream: DeepCool AK620 Digital ¥14,000(LCD・260W)・DeepCool AK620 ¥9,500(260W・コスパ)・Phantom Spirit 120 SE EVO ¥8,500(230W・Mass appeal Best)・Tier 3 Budget: Thermalright Phantom Spirit 120 SE ¥6,500(180W・最安王者)・DeepCool AK500 ¥7,500(220W)・Arctic Freezer 36 ¥4,500(180W・10-year)・Tier 4 SFF: Noctua NH-L12S/Cryorig C7G(SFF用低profile)・2026年 Phantom Spirit 120 SE圧倒コスパ。