Hardware Spec Index

Caldera DR-7657 Ultra DDR4-4000 64GB (2×32GB) CL19 Kit

Memory · Caldera · SKU DR7657-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index7,453 (Memory scale)
Category rank#9,339
Street price$269
Power7 W
Performance per dollar27.71
Released2019

Specifications

BrandCaldera
ModelCaldera DR-7657 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings19-25-25-44
CAS latencyCL19
First-word latency9.50 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, RGB lighting

Related guides

DDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPODDR5 Memory Explained

Similar Memory

ModelBenchmarkPriceCompare
Mirenta DR-2937 XT DDR5-7600 96GB (2×48GB) CL38 Kit6,799$249Compare
Altrix DR-5671 Max DDR5-4800 16GB (2×8GB) CL40 Kit2,464$29Compare
Teralux DR-1307 Prime DDR4-3000 16GB (2×8GB) CL16 Kit4,560$79Compare
Teralux DR-3838 Max DDR5-6400 48GB (2×24GB) CL34 Kit6,313$179Compare
Mirenta DR-6239 XT DDR4-4000 32GB (4×8GB) CL18 SO-DIMM Kit8,263$369Compare
Caldera DR-9526 Prime DDR4-2666 8GB (2×4GB) CL16 Kit4,054$59Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-7657 Ultra DDR4-4000 64GB (2×32GB) CL19 Kit”, https://vextor7.com/item/94889878 (accessed 2026-10-25).