Hardware Spec Index

Caldera DR-7638 Prime DDR5-6800 64GB (2×32GB) CL34 Kit

Memory · Caldera · SKU DR7638-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index6,473 (Memory scale)
Category rank#36,561
Street price$189
Power10 W
Performance per dollar34.25
Released2023

Specifications

BrandCaldera
ModelCaldera DR-7638 Prime
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6800 (6,800 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings34-36-36-78
CAS latencyCL34
First-word latency10.00 ns
Voltage1.35 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, RGB 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-7638 Prime DDR5-6800 64GB (2×32GB) CL34 Kit”, https://vextor7.com/item/5450093 (accessed 2026-10-19).