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Eight silver DDR5 RDIMMs with black heat spreaders and micro heatsinks

V-color

V-color WRX90 OC R-DIMM TRA532G48S440O 256GB (8x32GB) DDR5 4800 CL40 ECC Registered memory upgrade

SKU CH-GAR5-76B6Z

256 GB DDR5 ECC registered kit with eight 32 GB modules at 4800 MT/s CL40 for AMD Threadripper WRX90 workstations

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetSK Hynix IC
  • CAS latencyCL40
  • Memory timings40-39-39-77
  • Rated voltage1.25 V

Capacity 256GB (8 x 32GB)

Speed DDR5 4800 (PC5 38400)

  • 256 GB total capacity in eight 32 GB modules for large workstation workloads
  • DDR5 4800 speed with CL40 latency delivers high-throughput registered ECC performance
  • AMD EXPO profile enables one-click overclocking on WRX90 motherboards
  • Patented RCD and PMIC micro-heatsinks improve cooling efficiency under sustained loads
  • On-die ECC and thermal sensor protect data integrity from 0 to 85 °C

Workstation DDR5 ECC Kit

This 256 GB kit contains eight 32 GB registered DDR5 modules rated at 4800 MT/s with CL40 timing and on-die ECC. It targets AMD Threadripper WRX90 workstation motherboards and uses AMD EXPO profiles for validated overclocking.

Motherboard Slot And Voltage Check

Verify the board has eight 288-pin DDR5 RDIMM slots and supports 1.25 V registered memory. The kit is not compatible with desktop or laptop platforms and requires a WRX90 chipset motherboard to function.

Patented Micro-Heatsink Cooling

Exclusive RCD and PMIC micro-heatsinks cover the register and power-management chips to improve thermal headroom. A built-in temperature sensor monitors module health from 0 to 85 °C and helps maintain long-term reliability.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $6,760.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $26.41 per GB
Pricier than about 73% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameV-Color
Product lineWRX90 OC R-DIMM
Model nameTRA532G48S440O
Part numberTRA532G48S440O
Total capacity256 GB (8 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetSK Hynix IC
Memory
CAS latencyCL40
Memory timings40-39-39-77
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Memory profilesAMD EXPO
Heat spreaderYes
Power
Rated voltage1.25 V
Compatibility
Compatible systemsAMD Threadripper - WRX90 Workstation Motherboards

Other versions of this model

5 more in the same range

Questions about this item

Does the 256 GB kit include only the eight 32 GB DDR5 RDIMMs, or are cables and tools also supplied?

The package contains the eight 32 GB modules; no cables, tools or extra accessories are included.

Should I pick the CL36 or CL40 version for an AMD Threadripper WRX90 build?

The module runs at CL40 with timings 40-39-39-77; that is the latency profile this kit provides.

Will the 4800 MT/s speed stay active once the EXPO profile is enabled on a WRX90 board?

Yes, the AMD EXPO profile sets the kit to 4800 MT/s at 1.25 V with CL40 timings.

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