23/24-Series: DS723+, DS923+, DS1522+, RS2423+ (Fully backwards compatible with 23-series models, where it will safely run at 2666MHz per Synology spec). - 25-Series: DS725+, DS925+. Rated at a blistering 3200MHz, these modules utilize updated, highly efficient silicon dies designed to maximize stability and throughput under heavy enterprise workloads.