Hardware Spec Index

Mirenta DR-4857 Ultra DDR4-2666 16GB (2×8GB) CL16 Kit

Memory · Mirenta · SKU DR4857-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index3,749 (Memory scale)
Category rank#23,242
Street price$69
Power5 W
Performance per dollar54.33
Released2021

Specifications

BrandMirenta
ModelMirenta DR-4857 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity16 GB (2 × 8 GB)
Timings16-22-22-43
CAS latencyCL16
First-word latency12.00 ns
Voltage1.20 V
ProfileJEDEC (no profile needed)
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, no lighting

Related guides

DDR4 vs DDR5CAS Latency (CL) and RAM TimingsDDR5 Memory ExplainedXMP vs EXPO

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Cite this page: Hardware Spec Index, “Mirenta DR-4857 Ultra DDR4-2666 16GB (2×8GB) CL16 Kit”, https://vextor7.com/item/17020182 (accessed 2026-10-23).