Hardware Spec Index

Caldera DR-7643 Plus DDR5-6400 64GB (4×16GB) CL34 Kit

Memory · Caldera · SKU DR7643-PLUS · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index5,712 (Memory scale)
Category rank#18,811
Street price$149
Power19 W
Performance per dollar38.34
Released2022

Specifications

BrandCaldera
ModelCaldera DR-7643 Plus
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings34-34-34-105
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

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Cite this page: Hardware Spec Index, “Caldera DR-7643 Plus DDR5-6400 64GB (4×16GB) CL34 Kit”, https://vextor7.com/item/9706429 (accessed 2026-10-19).