三星过去一直生产优秀的固态硬盘，所以当这些新的PCIe 4.0固态硬盘出来时，我非常兴奋地尝试一些。
从瘾科技…英特尔的“尺子”的形状因素用于NVMe服务器的ssd曾经看起来很激进，但现在已经成为主流。作为证据，三星刚刚推出了一个新的超高速PCIe Gen 4驱动器系列，源自英特尔的原始设计。PM9A3固态硬盘不仅有标准的M.2 NVMe格式，也有新奇的E1格式。年代format (a shorter version of Intel’s ruler) and U.2 — which looks like a SATA drive but is much, much faster.
E1。年代and U.2 variants of these drives (designed for data centers, not consumers) can hit up to 6,500 MB/s read and 3,500 MB/s write speeds and capable of 900,000 IOPS (random reads). These speeds are double what PCIe 3.0 drives can handle because PCIe 4.0 has double the bandwidth. The M.2 version of the PM9A3, by contrast, can “only” run at 3,500/1,750 MB/s.
新E1。年代form factor is designed to be more space-efficient than current SATA and U.2 designs. Drives are just a bit longer than M.2, but can fit more NAND chips and better handle hotplugging, thermal and other issues. Samsung notes that data centers using the E1.S design can save space by cramming more SSDs into the same form factor as SATA/U.2 drives, with the benefit of lower cost of ownership. (For more information on all the latest SSD form factors, check out这个描述来自存储网络行业协会(SNIA)。
这如何适用于普通用户呢?E1。年代驱动器aren’t really designed for personal computers, and while some gaming motherboards have U.2 slots, drives are昂贵的而且不是主流。不过，它显示了未来三星PCI 4.0 NVMe驱动器的潜在速度，6500 MB/s远远超过其他东西现在就在市场上。这些速度对游戏来说可能没什么用，但对内容创作却有很大帮助，特别是当你在处理RAW 8K文件．
来源:瘾科技
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