{"appears_in":[{"position":8,"ranking_slug":"best-portable-ssds-2026","ranking_title":"2026 年移动固态硬盘怎么选：先看主机协议、持续写入与文件系统，8 款 USB 10/20Gbps 与 USB4 横向对比","score":8.3,"url":"https://buyranker.com/ranking/best-portable-ssds-2026"}],"brand":"SK hynix","buy_url":null,"canonical_url":"https://buyranker.com/product/sk-hynix-beetle-x31-portable-ssd","category":{"name":"移动固态硬盘","slug":"portable-ssd"},"cons":["最大只有 1TB","3 年保修短于部分对手"],"description":"512GB/1TB，最高读取 1050MB/s，配硅胶保护套；容量选择较少。","id":"3107a458dfff76565c5f0e81eb65df15","image_url":null,"name":"SK hynix Beetle X31 Portable SSD","official_url":"https://ssd.skhynix.com/beetle_x31/","price":{"currency":"CNY","max":899,"min":499},"pros":["铝壳和 DRAM 定位清楚","10Gbps 平台兼容简单","2m 抗跌落"],"release_year":2023,"slug":"sk-hynix-beetle-x31-portable-ssd","specs":{"容量":"512GB/1TB","接口":"USB 3.2 Gen 2 10Gbps","缓存":"带 DRAM","重量":"约 53g","标称速度":"读取 1050MB/s，写入 1000MB/s"},"summary":"有 DRAM 的 10Gbps 金属小盘，定位轻量和稳定。"}