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Four black DDR5 RDIMM modules with silver heat spreaders in a quad-channel kit

V-color

V-color TR532G48S440QX DDR5 128GB (4x32GB) 4800 CL40 ECC R-DIMM memory upgrade

SKU CH-SVY4-V4SNH

128 GB DDR5 registered ECC kit with four 32 GB modules running at 4800 MT/s CL40 for W790 workstations

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Timing40-39-39-77
  • ECCYes

Capacity 128GB (4 x 32GB)

Speed DDR5 4800 (PC5 38400)

  • Massive 128 GB capacity for heavy workloads
  • Registered ECC design corrects data errors automatically
  • Tested DDR5 4800 CL40 timing for stable speed
  • SK Hynix ICs on 10-layer PCB ensure durability
  • Built-in thermal sensor monitors 0–85 °C range

W790 workstation memory kit

This V-color TR532G48S440QX kit provides 128GB of DDR5 capacity across four registered DIMMs. Each module is a 32GB 1Rx4 unit built with SK Hynix ICs on a 10-layer PCB. The kit targets workstation boards based on the W790 chipset and is not compatible with standard desktop PCs or laptops.

Sustained-load behaviour

Registered buffering and on-die ECC maintain data integrity during extended compute sessions. A built-in thermal sensor tracks temperatures across the 0 to 85°C operating range to prevent overheating. The 1.1V operating voltage and 40-39-39-77 timings remain stable under continuous load rather than only in short bursts.

DDR5-4800 interface limits on W790 platforms

The modules run at the standard DDR5-4800 (PC5-38400) JEDEC rate with CL40 latency. Intel XMP profiles are supported for overclocking headroom within the W790 platform constraints. Bandwidth and latency ceilings are defined by the DDR5-4800 specification and the registered DIMM topology.

Points forts

  • Massive 128 GB capacity for heavy workloads
  • Registered ECC design corrects data errors automatically
  • Tested DDR5 4800 CL40 timing for stable speed
  • SK Hynix ICs on 10-layer PCB ensure durability
  • Built-in thermal sensor monitors 0–85 °C range

Caractéristiques

BrandV-Color
SeriesOC R-DIMM
ModelTR532G48S440QX
Part NumberTR532G48S440QX
Capacity128GB (4 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Timing40-39-39-77
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
ChipsetSK Hynix IC
Heat SpreaderYes
Compatible SystemW790 Workstation
FeaturesOverclocking R-DIMM ECC Registered DIMM Memory for W790 Workstation (Intel XMP)

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Questions sur cet article

How much heat does the built-in thermal sensor allow the DDR5 R-DIMM to handle during continuous workloads?

The operating temperature range is 0 to 85°C and the on-module sensor monitors heat to prevent overheating while the spreader helps dissipation.

What motherboard platform must already be installed for this 288-pin DDR5 4800 CL40 kit to function?

It is exclusively compatible with Intel W790 workstation motherboards and will not work in regular desktop PCs or laptops.

Can these 1Rx4 ECC registered modules be mixed with non-ECC DDR5 memory on the same W790 board?

The modules are ECC registered RDIMMs; mixing them with unbuffered non-ECC DIMMs is not supported on the W790 platform.

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