{"appears_in":[{"position":3,"ranking_slug":"best-microsd-cards-express-camera-endurance-2026","ranking_title":"2026 年 microSD 存储卡怎么选：先分 Express、UHS-I 与耐久型，8 款从 Switch 2 到行车记录仪横向对比","score":8.9,"url":"https://buyranker.com/ranking/best-microsd-cards-express-camera-endurance-2026"}],"brand":"Samsung","buy_url":"https://www.samsung.com/ca/memory-storage/memory-card/p9-express-256gb-microsd-express-card-mb-mk256t-am/","canonical_url":"https://buyranker.com/product/samsung-p9-express-microsd-card","category":{"name":"microSD 存储卡","slug":"micro-sd-card"},"cons":["保修较短","UHS-I 降级速度普通","未公开同级最高顺序写入数字"],"description":"适合 Express 主机用户，尤其是希望看到接口和随机 IOPS 数据的人。","id":"7490e3d7300036e5627c5bc54377f41c","image_url":null,"name":"Samsung P9 Express microSD Card","official_url":"https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_microSD_Express_Card_P9_Express_Datasheet_Rev.1.0.pdf","price":{"currency":"USD","max":99.99,"min":49.99},"pros":["接口规格完整","随机性能公开","防磁防水防 X 光","256/512GB 覆盖主流容量"],"release_year":2025,"slug":"samsung-p9-express-microsd-card","specs":{"保修":"3 年","容量":"256GB / 512GB","接口":"PCIe Gen3 x1 / NVMe 1.3 / SD 7.1 / UHS-I","等级":"U3 / V30 / A1","UHS-I 读取":"90MB/s","Express 读取":"800MB/s"},"summary":"规格透明、随机性能明确的 256/512GB Express 卡。"}