Hardware Spec Index

Teralux DR-7977 Ultra DDR5-6400 64GB (2×32GB) CL32 Kit

Memory · Teralux · SKU DR7977-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index4,721 (Memory scale)
Category rank#22,687
Street price$89
Power8 W
Performance per dollar53.04
Released2022

Specifications

BrandTeralux
ModelTeralux DR-7977 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings32-38-38-83
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileXMP 3.0 + EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

Related guides

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

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All Memory · JSON

Cite this page: Hardware Spec Index, “Teralux DR-7977 Ultra DDR5-6400 64GB (2×32GB) CL32 Kit”, https://vextor7.com/item/17849449 (accessed 2026-10-22).