Hardware Spec Index

Caldera DR-4977 Prime DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Caldera · SKU DR4977-PRIME · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index8,261 (Memory scale)
Category rank#27,457
Street price$359
Power23 W
Performance per dollar23.01
Released2026

Specifications

BrandCaldera
ModelCaldera DR-4977 Prime
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-44-44-104
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

Related guides

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

Similar Memory

ModelBenchmarkPriceCompare
Lumora DR-1947 Ultra DDR4-3600 64GB (2×32GB) CL18 Kit7,963$299Compare
Mirenta DR-5093 Ti DDR4-3600 64GB (2×32GB) CL18 SO-DIMM Kit7,390$259Compare
Lumora DR-7239 Pro DDR5-6000 32GB (2×16GB) CL32 SO-DIMM Kit4,114$59Compare
Lumora DR-1593 Ultra DDR4-2666 16GB (2×8GB) CL19 Kit3,683$49Compare
Lumora DR-6528 Prime DDR5-6800 96GB (2×48GB) CL34 Kit6,785$199Compare
Mirenta DR-5438 XT DDR4-4000 32GB (4×8GB) CL18 Kit8,618$319Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-4977 Prime DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/31670786 (accessed 2026-10-20).