Silicon Motion has recently launched three new PCIe 4.0 NVMe controllers for performance, mainstream, and value SSD applications. The new portfolio of controllers includes the SM2264 for performance, SM2267 for mainstream, and SM2267XT for value DRAM-less SSDs. The high-end SM2264 performance-optimized controller offers speeds of up to 7,400 MB/s sequential reads and 6,800 MB/s sequential writes which will compete with the Phison E18 controller and proprietary controllers from Samsung and Western Digital. The controller will be produced on TSMC's 12 nm node and supports 8 NAND channels along with LPDDR4/DDR4 DRAM.

The more value-focused SM2267 and SM2267XT controllers will offer strong performance rivaling high-end PCIe 3.0 NVMe SSDs. The two controllers both offer sequential read speeds of 3,900 MB/s and sequential write speeds of 3,500 MB/s with support for 4 NAND channels. They will both be manufactured on a 28 nm node for cost reductions and have entered mass production with the main difference between the two controllers being the exclusion of DRAM support on the SM2267XT. Consumer products featuring the new controllers should be available in the coming months.