Hardware Spec Index

Caldera DR-4931 Ultra DDR5-6400 48GB (2×24GB) CL32 SO-DIMM Kit

Memory · Caldera · SKU DR4931-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index6,188 (Memory scale)
Category rank#44,125
Street price$179
Power10 W
Performance per dollar34.57
Released2022

Specifications

BrandCaldera
ModelCaldera DR-4931 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity48 GB (2 × 24 GB)
Timings32-40-40-70
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderNone (low profile)

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-4931 Ultra DDR5-6400 48GB (2×24GB) CL32 SO-DIMM Kit”, https://vextor7.com/item/4182640 (accessed 2026-10-24).