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Eight green DDR5 RDIMM modules, bare black chips, gold contacts, no heat spreaders

NEMIX RAM

NEMIX RAM 1TB (8×128GB) DDR5 4800 CL40 4Rx4 ECC RDIMM memory upgrade

SKU CH-PJN2-DEJJP

Eight 128 GB DDR5 registered ECC modules running at 4800 MT/s with CL40 latency and 1.1 V for ASUS WRX90E SAGE SE workstations

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 1TB total capacity from eight 128GB modules
  • DDR5 4800 speed for high-throughput server workloads
  • ECC registered design detects and corrects data errors
  • 1V operation reduces power draw in dense configurations
  • Validated for ASUS Pro WS WRX90E SAGE SE workstation

Capacity and Configuration

This kit delivers one terabyte of registered DDR5 memory across eight 128 GB modules. It is built for the ASUS Pro WS WRX90E SAGE SE workstation motherboard and targets professionals running memory intensive workloads on that platform.

Installation and Common Issues

The 288 pin RDIMM form factor fits the board’s DDR5 slots directly. Registered modules require the platform to support buffered memory; the system will not post if the motherboard expects unbuffered DIMMs. Populate all eight slots to reach the rated capacity.

Deciding Specification

The 4Rx4 rank structure and CL40 latency at 4800 MT/s define whether the memory controller can address the full 1 TB kit. Verify the workstation’s qualified vendor list for this exact rank and timing combination before purchase.

How it compares

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

Price $32,537.99
Pricier than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $32.54 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-744K8
Total capacity1 TB (8 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items1 TB (8 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How can I verify the kit is running at DDR5 4800 CL40 after installation?

Check the BIOS memory information or a tool such as CPU-Z; the modules should report 4800 MT/s, CL40 latency and 1.10 V operation.

What exactly ships in the box and do I need anything else to install the kit?

The box contains eight 128 GB DDR5 4800 CL40 4Rx4 ECC RDIMM modules; no extra parts are required for a compatible ASUS WRX90E SAGE SE workstation.

Which capacity version should I choose for the ASUS Pro WS WRX90E SAGE SE?

This kit is the 1 TB (8 × 128 GB) configuration validated for that motherboard; select it when you need the full 1 TB capacity.

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