Hardware Spec Index

Mirenta DR-4277 Ultra DDR5-7200 64GB (4×16GB) CL34 SO-DIMM Kit

Memory · Mirenta · SKU DR4277-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index6,204 (Memory scale)
Category rank#26,274
Street price$159
Power19 W
Performance per dollar39.02
Released2025

Specifications

BrandMirenta
ModelMirenta DR-4277 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-7200 (7,200 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings34-36-36-105
CAS latencyCL34
First-word latency9.44 ns
Voltage1.40 V
ProfileAMD 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-4277 Ultra DDR5-7200 64GB (4×16GB) CL34 SO-DIMM Kit”, https://vextor7.com/item/5860896 (accessed 2026-10-24).