西部数据推出 Red Pro 20TB 机械硬盘，售价 500 美元

3 月 2 日消息，据 Tom"s Hardware 报道，西部数据推出了新款 NAS 机械硬盘 WD Red Pro 20TB，售价 499.99 美元（约 3154.94 元人民币）。

据报道，这款 Red Pro 20TB 不是西部数据的第一款 20TB 硬盘，该公司此前推出了 20TB 的 WD Gold 和 Ultrastar DC HC560，Red Pro 20TB 更适合主流消费者。

IT之家了解到，西部数据 Red Pro 20TB 采用了西部数据的 OptiNAND 技术，通过 iNAND UFS 嵌入式闪存驱动器 (EFD) 提供更高的性能、可靠性和容量。为了达到 20TB ，西部数据在 Red Pro 20TB 中安装了 9 个 ePMR（能量辅助垂直磁记录）盘片，每个 2.2TB 大小。Red Pro 20TB 采用传统磁记录 (CMR) 技术，该技术非常适合移动大量数据。

西部数据 Red Pro 20TB 采用标准 3.5 英寸外形尺寸，采用 SATA 接口，配有 512MB 缓存，转速为 7200RPM。性能方面，Red Pro 20TB 拥有高达 268 MB / s 的传输速率，比同系列的 18TB 型号慢 4 MB / s。

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