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Four silver DDR5 RDIMM modules with black heat spreaders

V-color

V-color OC R-DIMM 128GB (4x32GB) DDR5 6400 CL32 2Rx8 1.4V ECC Registered

SKU CH-BZT5-9HEH2

128 GB quad-channel DDR5-6400 ECC registered kit with CL32 timing, 1.4 V operation and AMD EXPO profile for TRX50 workstations

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL32
  • Timing32-39-39-102
  • Voltage1.40V

Capacity 128GB (4 x 32GB)

  • 64GB (4 x 16GB)
  • 128GB (4 x 32GB)
  • 192GB (4 x 48GB)
  • 256GB (4 x 64GB)
  • 512GB (4 x 128GB)
  • 1TB (4 x 256GB)
  • 384GB (4 x 96GB)

Las versiones tachadas existen, pero no están disponibles aquí.

Speed DDR5 6400 (PC5 51200)

Rank 2Rx8

Las versiones tachadas existen, pero no están disponibles aquí.

  • ECC protection prevents data corruption with registered DDR5 architecture
  • AMD EXPO profile enables 6400MHz CL32 overclocking on TRX50 workstations
  • Hynix ICs tested by automated sorting ensure consistent 2Rx8 reliability
  • 4V operation powers 128GB quad-channel capacity for heavy workloads
  • On-board PMIC and thermal sensor maintain stability under sustained loads

Workstation DDR5 Registered Memory

This 128GB kit provides four 32GB DDR5 RDIMMs built for AMD TRX50 workstation motherboards. Registered buffering and on-die ECC protect data integrity in professional workloads. The modules run at 6400MHz with CL32 timings at 1.40V. Hynix ICs on a 10-layer PCB are sorted by automated equipment for consistency.

DDR5 Bandwidth and Registered Limits

DDR5 splits each DIMM into two 40-bit channels, doubling bandwidth over DDR4. Registered DIMMs add a clock cycle of latency but allow larger memory populations per channel. The AMD EXPO profile sets 6400MHz at 1.40V; operation beyond this profile depends on motherboard BIOS support and cooling. The on-board PMIC manages power delivery for the registered buffers.

2Rx8 Rank Configuration Decides Fit

Each module uses a 2Rx8 organisation, presenting two ranks per DIMM to the memory controller. This density works with TRX50 platforms that support quad-channel populations up to 128GB. Builders needing single-rank modules or non-ECC unbuffered DIMMs cannot use this kit.

Puntos fuertes

  • ECC protection prevents data corruption with registered DDR5 architecture
  • AMD EXPO profile enables 6400MHz CL32 overclocking on TRX50 workstations
  • Hynix ICs tested by automated sorting ensure consistent 2Rx8 reliability
  • 4V operation powers 128GB quad-channel capacity for heavy workloads
  • On-board PMIC and thermal sensor maintain stability under sustained loads

Especificaciones

BrandV-Color
SeriesOC R-DIMM
ModelTRA532G64D832Q
Part NumberTRA532G64D832Q
Capacity128GB (4 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL32
Timing32-39-39-102
Voltage1.40V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
BIOS/Performance ProfileAMD EXPO
ChipsetHynix IC
Heat SpreaderYes
FeaturesSupports ECC functionality to detect and correct data errors and features a built-in temperature-monitoring thermal sensor to prevent overheating, thereby enhancing memory reliability.
Operating temperature range: 0 to 85 °C

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Preguntas sobre este artículo

Should I pick the 128GB (4x32GB) kit or a smaller capacity for my TRX50 workstation?

The 128GB kit provides four 32GB modules that fill four slots, giving maximum capacity per channel on TRX50 motherboards; choose a smaller kit only if you need fewer populated slots for future expansion.

What does the 6400MHz speed actually deliver once installed in a Threadripper PRO 7000 system?

At DDR5 6400 with CL32 timings and AMD EXPO, the kit runs at its rated 6400MT/s, providing the full PC5-51200 bandwidth per module across the two 40-bit sub-channels of each DIMM.

How does the registered DDR5 interface with ECC affect real-world stability and error handling?

The 288-pin RDIMM uses on-die ECC plus module-level ECC on Hynix 2Rx8 ICs, correcting single-bit errors and detecting multi-bit errors while the register buffers command signals for reliable operation at 1.40V.

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