Marvell has this week officially unveiled its new PCIe Gen4 NVMe SSD Controllers and will be showcasing them at next week’s Flash Memory Summit. The new generation of Marvell client NVMe controllers consists of three different products taking the form of a DRAMless controllers with two or four lanes of PCIe gen4, and one controller with DRAM support and four lanes of PCIe gen4.
Marvell explains more about PCIe Gen4 : “the latest generation of PCI Express specification coupled with Marvell’s complex system-on-chip (SoC) design expertise, its innovative NANDEdge™ advanced error correction technology and low power architecture, provides clear power-performance, thermal management and board real estate utilization advantages to SSD deployments. The SSD controllers each support four ONFI and TOGGLE NAND channels, operating at up to 1200MT/s to enable high capacity, high throughput and low latency storage over a wide range of use cases. These controllers will enable next-generation 3D and QLC NAND devices that maximize cost efficiency.”
All three controllers have four NAND channels, but the largest 88SS1321 that has the DRAM interface also has twice as many chip enables on the NAND channels and thus can support higher capacities than the DRAMless 88SS1322 and 88SS1323, explains the AnandTech website.
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