Hardware Spec Index

Teralux DR-4777 Ultra DDR5-8000 128GB (4×32GB) CL40 Kit

Memory · Teralux · SKU DR4777-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index7,245 (Memory scale)
Category rank#37,516
Street price$219
Power21 W
Performance per dollar33.08
Released2026

Specifications

BrandTeralux
ModelTeralux DR-4777 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8000 (8,000 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-46-46-96
CAS latencyCL40
First-word latency10.00 ns
Voltage1.40 V
ProfileIntel XMP 3.0
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, “Teralux DR-4777 Ultra DDR5-8000 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/1398569 (accessed 2026-10-20).