(Minimal) past Samsung: High-end SSDs from Crucial, MSI and Kingston
Crucial wants to sell the nominally fastest SSD – 14.9 GByte/s. Other fast models come from MSI and Kingston.
(Image: c't)
A new generation of NVMe SSDs uses improved PCI Express 5.0 controllers to increase speed and efficiency. Crucial, MSI and Kingston are preparing to outdo the currently fastest SSD – Samsung's SSD 9100 Pro –. The latter has been available for a few months. All are likely to use TLC memory, which writes three bits per cell (triple level cells).
Crucial's announcement at the Computex IT trade fair is as fresh as a daisy. The T710 uses Silicon Motion's new SM2508 controller. In combination with current NAND flash devices from Micron's G9 generation, the T710 is designed to read data at up to 14.9 GByte/s. Writing speeds of up to 13.8 GByte/s should be possible via the DRAM cache.
For comparison: Samsung promises 14.7 and 13.4 GByte/s respectively for its SSD 9100 Pro. In reality, we measured just under 14.8 GByte/s reading. This minimal difference is not noticeable in real use.
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Over two million IOPS
The SSDs also compete at a high level when it comes to accessing random addresses. Crucial promises 2.2 million IOPS reading and 2.3 million writing for the top model with 4 TByte capacity. Samsung achieves 2.2 and 2.6 million respectively.
However, Kingston's data sheet for the Fury Renegade G5, also with Silicon Motion SM2508, shows a small advantage for the 1 TByte model: It is said to achieve 2.2 million IOPS read, 19 percent more than the SSD 9100 Pro. In return, Kingston claims a lower sequential write rate of 11 GByte/s instead of 13.3 GByte/s. The maximum power consumption is similar at up to 9-9.5 watts, depending on capacity.
(Image:Â Kingston)
High prices
Ultimately, the differences are likely to be nuanced and the real retail prices most important. Samsung's SSD 9100 Pro is already available with one to four terabytes of storage space, but costs a lot. The Kingston Fury Renegade G5, which has been available for a few days, is currently still pricier, but should soon settle at a lower price.
Meanwhile, MSI's Spatium M571 is an outlier. It is the first announced SSD with Phison's new PS5028-E28 controller, which is supposed to work faster and more efficiently than the previous E26 hotspot. MSI promises up to 14.8 GByte/s read and 14.0 GByte/s write, but has not yet provided any other details.
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