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Four green DDR4 RDIMM modules, bare chips, no heat spreaders

NEMIX RAM

NEMIX RAM 512GB (4x128GB) DDR4 3200 CL22 ECC RDIMM Gigabyte WRX80-SU8-IPMI memory upgrade

SKU CH-DV9T-XRBXR

512GB DDR4 3200 ECC RDIMM kit with four 128GB modules for Gigabyte WRX80-SU8-IPMI

  • Total capacity512 GB (4 × 128 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 512 GB total capacity from four 128 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered RDIMM design protects data integrity
  • 4Rx4 organisation with CL22 latency at 1.2 V
  • Validated for Gigabyte WRX80-SU8-IPMI motherboard compatibility

Capacity and Compatibility

This kit delivers 512 GB of DDR4 memory across four 128 GB registered DIMMs. It is validated for the Gigabyte WRX80-SU8-IPMI motherboard and targets workstation or server builds that require large ECC capacity for virtualization, rendering or data-intensive workloads. Buyers needing non-ECC modules or consumer-platform compatibility should look elsewhere.

Thermals and Power

Each module operates at 1.20 V with a CL22 latency at the 3200 MT/s data rate. The registered design and 4Rx4 organisation add minimal electrical load compared with unbuffered alternatives. No heat spreaders are fitted, so airflow across the DIMM slots is required to maintain stable temperatures under sustained load.

Build and Connectors

The 288-pin RDIMM form factor uses major OEM chips from Samsung, Micron or Hynix and is stress-tested under load before shipment. Registered signalling reduces electrical noise on the memory bus, supporting system stability in densely populated configurations. Ensure the motherboard provides sufficient DIMM slots and clearance for four full-height modules.

How it compares

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

Price $3,944.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $7.71 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Product lineGigabyte Server Motherboard Compatible Series Memory
Model nameGigabyte DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-744K4
Total capacity512 GB (4 × 128 GB)
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items512 GB (4 × 128 GB) DDR4 3200 MHz PC4-25600 4Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the four 128 GB DDR4 RDIMMs into the Gigabyte WRX80-SU8-IPMI, and which step is often missed?

Power down, open the chassis, align each 288-pin module with the keyed slot and press firmly until both retention clips lock; the step often missed is populating all eight channels in the order the motherboard manual specifies for 4Rx4 modules.

What maintenance or replacement will this 512 GB ECC registered kit need over its service life?

No routine maintenance is required; if a module fails the ECC scrubbing will log correctable errors, and the faulty 128 GB RDIMM can be swapped individually without replacing the full kit.

What limit appears first when the 3200 MT/s CL22 4Rx4 memory runs sustained workloads on this platform?

The four-rank-per-module density combined with CL22 latency typically makes the memory controller's thermal throttling or rank-to-rank turnaround timing the first bottleneck under continuous heavy load.

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