CXL controller scales server memory
Montage Technology has introduced the M88MX6852, a CXL 3.2 Memory eXpander Controller (MXC) chip for AI infrastructure and data center applications. The device has entered trial production and has been integrated into next-generation CXL products developed by memory module manufacturers including Samsung and SK hynix. It is also designed for interoperability with Intel Xeon and AMD EPYC server platforms.
By converting host CXL memory requests into DDR commands in real time, the M88MX6852 manages data exchange between the host processor and DDR5 memory. It supports multiple CXL memory expansion form factors, including PCIe AIC cards and EDSFF modules, enabling memory expansion, sharing, pooling, and tiering.
The M88MX6852 integrates a CXL controller, dual DDR5-8000 controllers, two RISC-V processor subsystems, and an on-chip PVT sensor. Its CXL controller complies with the CXL 3.2 specification, including CXL.mem and CXL.io protocols, as well as CXL 1.1 and CXL 2.0. Based on a PCIe 6.2 interface, it achieves data rates up to 64 GT/s over eight lanes.
Montage Technology provides an SDK along with analysis and testing tools to support product development, system validation, and production ramp.
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