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Cache 1.5GB/s! Seagate Coldplay 540 2TB review: The ceiling goes far beyond that

via:快科技     time:2023/7/25 17:06:05     readed:168

Seagate brings its first consumer PCIe 5.0 SSD

Intel 12/13 generation Core, AMD Ryron 7000 platform has native support for PCIe 5.0, can rely on PCIe specification upgrade to bring the most obvious improvement of the device is SSD, but the consumer grade PCIe 5.0 SSD is still not rich, performance, heat there are many deficiencies, the road to popularity is still long.

In fact, from the beginning of the muscle show to now, the appearance of PCIe 5.0 SSD has been nearly a year, although the progress is slow, but after all, it has a faster speed, and it is only a matter of time, and what is needed is rapid iteration and promotion of products.

Now, Fast Tech has received Seagate's Coldplay 540 2TB, which is Seagate's first consumer PCIe 5.0 SSD product.

缓外速度1.5GB/s!希捷酷玩540 2TB评测:PCIe 5.0 SSD上限远不止于此

In addition to the most obvious higher bandwidth and speed, PCIe 5.0 SSD also introduces two key features of NVMe 2.0: partition namespace (ZNS) and key value (KV).

ZNS, the partitioning technology, will divide the space named by multiple partitions inside the SSD, and put the data with similar access frequency in the same space, to minimize the phenomenon of new data being temporarily moved, effectively reducing the write magnification, but also effectively extending the life of the SSD.

To put it simply, the original PCIe 4.0 SSD needs to write 1G, but the actual amount of data written is 3-4GB, and PCIe 5.0 SSD reduces this situation, and naturally brings a longer life.

The KV command set will allow applications to communicate with hard disk controllers using KV key-value pairs instead of block addresses. To eliminate unnecessary translation tables between keys and logical blocks, the CPU computation load can be effectively reduced, thus reducing the overall overhead.

For example, PCIe 4.0 SSDS may have a maximum CPU usage of around 20% when writing large files, but PCIe 5.0 SSDS with this KV feature will only have a single digit CPU usage.

In terms of product specifications, the Seagate Coldplay 540 SSD 2TB sequential read and write reaches 10GB/s, 4K random read is 1490K IOPS, 4K random write is 1500K IOPS, and the performance is 50% faster than PCIe 4.0 SSD.

Thanks to new features such as NVMe 2.0's ZNS partition namespace, the Seagate Coldplay 540 SSD's 2TB life reaches 2000TBW, nearly double that of mainstream PCIe 4.0 SSDS.

Next, let's see how this Seagate Coldplay 540 SSD 2TB performs.

缓外速度1.5GB/s!希捷酷玩540 2TB评测:PCIe 5.0 SSD上限远不止于此

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