intros：{"brand_intro":"闪迪（SanDisk）成立于1988年，是全球领先的闪存存储解决方案提供商，现为西部数据旗下品牌。以创新技术和高品质存储卡、U盘、固态硬盘及读卡器闻名，产品广泛应用于消费电子与专业影像领域。其读卡器系列以高速传输和耐用性著称，深受专业摄影师青睐。","product_intro":"闪迪至尊极速USB 3.2读卡器专为高速传输设计，支持SD和microSD卡（UHS-I/II），最高读取速度可达300MB/s（配合闪迪Extreme Pro卡）。采用USB 3.2 Gen 1接口，向下兼容USB 2.0。紧凑的黑色外壳带有LED指示灯，便于监控工作状态。支持同时读写双卡，适合专业摄影和视频工作流。","key_specs":["接口类型：USB-A（USB 3.2 Gen 1）","支持卡型：SD/SDHC/SDXC（UHS-I/II）、microSD","最大读取速度：300MB/s","材质：工程塑料+橡胶防滑垫","尺寸：65×35×15mm","兼容系统：Windows/macOS"]}
alt_products：[{"product_name":"闪迪 至尊极速 USB 3.2 读卡器","brand":"SanDisk（闪迪）","model":"SDDR-B531-GN6NN","price":129},{"product_name":"雷克沙 多功能2合1 USB-C 读卡器","brand":"Lexar（雷克沙）","model":"LRW450U-BNBNG","price":89.9},{"product_name":"金士顿 MobileLite Plus 多合一读卡器","brand":"Kingston（金士顿）","model":"MLP-2","price":79.9}]
scoring_breakdown：[{"source":"word_of_mouth","score":94.7,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其传输速度，尤其配合闪迪自家存储卡时表现突出。4.8分评价中约97%为好评，常见关键词为\"速度飞快\"\"做工精良\"\"稳定不掉速\"。部分用户提到USB-A接口在新型MacBook上需转接头，但附赠的USB-C转接头（部分版本）解决了此问题。少数反馈在长时间高负载下外壳微热，但性能不受影响。专业摄影师普遍推荐，认为\"值得投资\"。","source_count":0}},{"source":"objective","score":96,"weight":0.4,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.8,"review_count":21000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.3,"confidence":1,"details":{"rating_avg":4.8,"review_count":21000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"闪迪这款读卡器是我工作室的标配，速度碾压同类产品。\"——商业摄影师@光影猎人","\"配合Extreme Pro卡，导出1GB RAW文件只需3秒。\"——科技博主@极客湾"]}}]