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Two green DDR5 RDIMM sticks, bare chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB 2x64GB DDR5 4800 CL40 ECC RDIMM ASUS Pro WS WRX90E SAGE SE memory upgrade

SKU CH-1NX1-9GF0P

A 128 GB DDR5 ECC registered DIMM kit built for the ASUS Pro WS WRX90E SAGE SE workstation

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V

Capacity 128GB 2X64GB

Show 3 more
  • 128 GB total capacity with two 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM for data integrity in servers
  • CL40 CAS latency at 1.1 V operating voltage
  • Validated for ASUS Pro WS WRX90E SAGE SE workstation

Targeted Workstation Upgrade

This NEMIX RAM kit delivers 128GB of DDR5 memory in a matched pair of 64GB modules. It is built for professionals expanding an ASUS Pro WS WRX90E SAGE SE workstation. The registered DIMM design with ECC support targets workloads that demand data integrity and sustained uptime.

Registered ECC DDR5 at 4800 MT/s

Each module runs at DDR5 4800 (PC5-38400) with a CAS latency of CL40 and operates at 1.10V. The 2Rx4 organisation and registered buffer reduce electrical load on the memory controller. This specification determines whether the kit matches the platform's qualified vendor list.

Two-Slot Population for Maximum Density

The 2x64GB configuration occupies only two 288-pin slots, leaving remaining channels free for future expansion. No heat spreaders are fitted, so clearance above the modules is minimal. Builders who need more than 128GB per channel or who require non-ECC unbuffered memory should look elsewhere.

How it compares

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

Price $3,479.99
Pricier than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $27.19 per GB
Pricier than about 76% 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 numberMR38400-924K2
Total capacity128 GB (2 × 64 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 rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items128 GB (2 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Other versions of this model

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Questions about this item

Will the 4800 MT/s speed run at that rate on my ASUS Pro WS WRX90E SAGE SE?

The kit is rated DDR5 4800 PC5-38400; the motherboard will operate it at up to 4800 MT/s provided the CPU and BIOS support that data rate.

What does the CL40 CAS latency mean for real-world responsiveness?

CL40 indicates 40 clock cycles of column access delay at 4800 MT/s; lower latency improves random-access response, though overall throughput depends on rank configuration and workload.

Do the 288-pin RDIMM modules fit the WRX90E SAGE SE DIMM slots without a heat spreader?

Yes, the 288-pin DDR5 RDIMM form factor matches the board's registered DIMM slots, and the modules ship without heat spreaders for standard server clearance.

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