Hardware Spec Index

Caldera DR-9977 Ultra DDR5-8400 128GB (4×32GB) CL40 SO-DIMM Kit

Memory · Caldera · SKU DR9977-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index7,765 (Memory scale)
Category rank#19,614
Street price$279
Power22 W
Performance per dollar27.83
Released2026

Specifications

BrandCaldera
ModelCaldera DR-9977 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-40-40-100
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileIntel XMP 3.0
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-9977 Ultra DDR5-8400 128GB (4×32GB) CL40 SO-DIMM Kit”, https://vextor7.com/item/10243422 (accessed 2026-10-21).