长城静音大师BTX-400SD

评测依据

• review_count：22000
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 03:41:04","to":"2026-06-26 03:41:04"}
• intros：{"brand_intro":"长城电源（Great Wall）隶属于中国长城科技集团，始于1989年，是国内最早从事PC电源研发制造的企业之一。拥有国家级实验室和全自动化生产线，产品以高可靠性、宽幅电压适应能力闻名，在政府、教育等政企采购中占据重要份额，也是DIY市场的老牌劲旅。","product_intro":"静音大师BTX-400SD是长城经典被动式PFC电源，额定功率300W，峰值400W。采用12cm液压轴承风扇，噪音控制优秀。支持Intel ATX 12V 2.31标准，具备过压、欠压、过载等多重保护。单路+12V输出设计，适合HTPC、办公机及低功耗独显平台，以稳定静音著称。","key_specs":["额定功率：300W","PFC类型：被动式PFC","风扇尺寸：12cm液压轴承","+12V输出：18A","保护功能：OVP/UVP/OPP","认证：3C认证"]}
• alt_products：[{"product_name":"长城静音大师BTX-400SD","brand":"长城","model":"静音大师BTX-400SD","price":279},{"product_name":"航嘉冷静王钻石版2.31","brand":"航嘉","model":"冷静王钻石版2.31","price":259},{"product_name":"鑫谷战斧400 被动版","brand":"鑫谷","model":"战斧400 被动版","price":249}]
• kol_quotes：["长城静音大师系列是入门级静音电源的标杆，被动PFC虽然老但故障率极低。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":87.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在静音效果出色和长期运行稳定上，很多用户表示使用多年未出故障。对长城品牌的做工和用料普遍认可，认为300W功率对非游戏用户足够。部分用户反映线材长度对背线不友好，但整体口碑极佳，是300W级被动PFC电源的标杆产品。","source_count":0}},{"source":"objective","score":65.70007537688441,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.6,"price":279,"wom_score":87.1}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":22000,"source":"product_reviews_aggregate"}},{"source":"expert","score":76,"weight":0.15,"confidence":0.6,"details":{"kol_count":1,"scored_count":1,"sample":["长城静音大师系列是入门级静音电源的标杆，被动PFC虽然老但故障率极低。"]}}]
• method_version：v2
• search_visual：null