Hardware Spec Index

Mirenta DR-4878 Ultra DDR5-7600 128GB (4×32GB) CL38 SO-DIMM Kit

Memory · Mirenta · SKU DR4878-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index8,067 (Memory scale)
Category rank#39,395
Street price$309
Power22 W
Performance per dollar26.11
Released2025

Specifications

BrandMirenta
ModelMirenta DR-4878 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-7600 (7,600 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings38-46-46-84
CAS latencyCL38
First-word latency10.00 ns
Voltage1.40 V
ProfileXMP 3.0 + EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderNone (low profile)

Related guides

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

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Cite this page: Hardware Spec Index, “Mirenta DR-4878 Ultra DDR5-7600 128GB (4×32GB) CL38 SO-DIMM Kit”, https://vextor7.com/item/9977296 (accessed 2026-10-26).