The Rocket 4 Plus controller leverages Phison’s fourth-generation LDPC ECC engine, end-to-end data path protection, advanced wear-leveling, bad block management, SmartECC, and the SSD is overprovisioned by nine percent to aid in its ability to withstand years of abuse while maintaining high reliability and endurance. Like the Rocket NVMe 4.0, the Rocket 4 Plus comes with a large dynamic SLC cache that spans one-third of the device’s capacity. Sequential performance clocks in at up to 7.1/6.6 GBps read/write, and the SSD can deliver upwards of 650,000/700,000 random read/write IOPS. Sabrent’s Rocket 4 Plus is a PCIe 4.0 x4 M.2 NVMe SSD that currently comes in two capacities of 1TB and 2TB at street prices of $200 and $400, but a 4TB model has been spotted in the wild and will potentially be released alongside a 500GB model soon, too. Like our engineering sample, Sabrent’s Rocket 4 Plus comes packed with Micron’s B27B 96L TLC NAND flash but differs in that it comes with revised firmware. While the engineering sample’s performance left us with mixed thoughts, now it is in its retail form in the Sabrent Rocket 4 Plus. Last November, Phison sent us an engineering sample of the company’s newest creation, the Phison PS5018-E18 NVMe SSD controller.
While Sabrent first announced the Rocket 4 Plus months ago in August, its release wasn’t fast enough to beat WD or Samsung to the market because Phison was a bit late to the party with the SSD controller that powers the Rocket 4 Plus. Sabrent’s Rocket 4 Plus is a viable alternative for those looking for Gen4 performance at a lower cost than WD’s Black SN850 or Samsung’s 980 Pro. In contrast to our recent reviews of the company’s SSDs more value-focused offerings, today we take a look at Sabrent’s Rocket 4 Plus, a highly anticipated M.2 NVMe SSD that's poised to take on the best. Sabrent has brought PCIe 4.0 storage to the masses and in more style than most of its competitors, flooding the market with affordable, performant storage.
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