7,200 MT/s DDR5 Memory Support Is Added by Intel’s “Arrow Lake Refresh”

Further confirmations about the introduction of “Arrow Lake Refresh” have surfaced, with Intel revising its processor SKU support matrix for DDR5 technologies. The “Arrow Lake Refresh” chips will enable quicker DDR5 memory. Intel verifies that ARLR will come equipped with native capabilities for DDR5 memory speeds of up to 7200 MT/s on CUDIMM modules. This improved speed rating pertains solely to DDR5 modules that have built-in clock driver circuits, frequently referred to as CUDIMMs, which enhance signal integrity at elevated frequencies. Standard UDIMMs and CSODIMMs will keep functioning within their current specifications at 5600 MT/s and 6400 MT/s, respectively.

Intel credits the increased speed to an improved integrated memory controller and minor platform-level enhancements for LGA-1851 motherboards, rather than a new chipset. The core platform limitations, such as the two-DIMMs-per-channel restriction, stay consistent, indicating that the enhancement merely offers extra flexibility for compatible memory. In addition to memory enhancements, certain middle-class SKUs will receive additional efficiency cores or slight increases in clock speed. Along with the CUDIMM support, these adjustments are expected to provide noticeable improvements in certain workloads, although they won’t significantly alter Intel’s competitive standing. Overclocking fans can still surpass official speeds by manually adjusting settings. Set to launch in early 2026, shortly before “Nova Lake,” the update mainly enhances Intel’s current technology instead of introducing an entirely new architecture. The entirely new design is set aside for “Nova Lake-S.”