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Four silver DDR5 RDIMMs with black heat spreaders, 288-pin registered ECC modules

V-color

V-color OC R-DIMM DDR5 128GB (4×32GB) 7200MHz CL34 2Rx8 1.4V Registered ECC

SKU CH-J9DT-VPEKK

128 GB quad-channel DDR5 registered ECC kit runs at 7200 MHz CL34 on AMD TRX50 workstations

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 7200 (PC5 57600)
  • ChipsetHynix IC
  • CAS latencyCL34
  • Memory timings34-45-45-112
  • Rated voltage1.4 V

Capacity 128GB (4 x 32GB)

Speed DDR5 7200 (PC5 57600)

Rank 2Rx8

  • 128GB quad-channel capacity for heavy workloads
  • 7200MHz DDR5 speed with CL34 latency
  • Registered ECC with on-die error correction
  • AMD EXPO profile for TRX50 workstations
  • Hynix ICs on 10-layer PCB with thermal sensor

Target Workstation Memory

This 128GB kit uses four 32GB DDR5 registered DIMMs built for AMD TRX50 workstation motherboards. Registered ECC with on-die error correction protects data integrity in professional workloads. The modules run at 7200MHz with CL34 timings via an AMD EXPO profile. They are not compatible with desktop PCs or laptops.

Thermals and Power in Normal Use

A 10-layer PCB and aluminium heat spreader dissipate heat while the modules operate at 1.40V. An on-board thermal sensor monitors temperature to prevent overheating during typical workstation tasks. Registered buffering reduces electrical load on the memory controller for stable signalling. Each Hynix IC is tested with automated sorting equipment for consistent quality.

Behaviour Under Sustained Load

The on-board PMIC manages power delivery across all four DIMMs during extended compute sessions. Dual 40-bit sub-channels per module maintain bandwidth efficiency when all ranks are active. Registered ECC continues correcting errors without halting the system under heavy memory pressure. The EXPO profile keeps timings stable at 34-45-45-112 throughout prolonged operation.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $5,574.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $43.55 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameV-Color
Product lineOC R-DIMM
Model nameTRA532G72D834Q
Part numberTRA532G72D834Q
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 7200 (PC5 57600)
Processor
ChipsetHynix IC
Memory
CAS latencyCL34
Memory timings34-45-45-112
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Memory profilesAMD EXPO
Heat spreaderYes
Power
Rated voltage1.4 V

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 288-Pin DDR5 RDIMM modules on a TRX50 motherboard, and what step is often missed?

Align the notch on each 288-Pin DDR5 RDIMM with the slot key, press firmly until both side latches click, then enable the AMD EXPO profile in BIOS to run at 7200MHz CL34 1.40V; skipping the EXPO enable leaves the kit at JEDEC defaults.

What maintenance or replacement will the 128GB (4×32GB) kit need during its service life?

The modules carry a built-in thermal sensor and on-board PMIC; no user-serviceable parts exist, so replacement only occurs if a DIMM fails ECC correction or the sensor reports sustained overheating.

What limit appears first when the 7200MHz CL34 2Rx8 kit runs sustained workloads?

The on-board PMIC and thermal sensor manage power and temperature; the first practical ceiling is the 1.40V voltage ceiling combined with the thermal sensor triggering throttling before data errors occur.

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