Hardware Spec Index

Caldera DR-5277 Ultra DDR5-6400 64GB (4×16GB) CL34 Kit

Memory · Caldera · SKU DR5277-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index5,944 (Memory scale)
Category rank#42,113
Street price$179
Power19 W
Performance per dollar33.21
Released2024

Specifications

BrandCaldera
ModelCaldera DR-5277 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings34-38-38-88
CAS latencyCL34
First-word latency10.63 ns
Voltage1.35 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

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Cite this page: Hardware Spec Index, “Caldera DR-5277 Ultra DDR5-6400 64GB (4×16GB) CL34 Kit”, https://vextor7.com/item/93034444 (accessed 2026-10-22).