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Two green DDR5 RDIMM modules, 288-pin, no heat spreader

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5 5600 CL46 4Rx4 ECC RDIMM Dell PowerEdge XE9780L/XE9785L memory upgrade

SKU CH-3D1X-WZ30T

A 256 GB DDR5 ECC registered memory kit with two 128 GB modules running at 5600 MT/s and CL46 latency for Dell PowerEdge XE9780L and XE9785L servers

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity from two 128 GB modules
  • DDR5 5600 speed with PC5-44800 bandwidth
  • ECC registered design protects data integrity
  • 4Rx4 organisation for high-density server workloads
  • Validated for Dell PowerEdge XE9780L and XE9785L

Dell PowerEdge XE9780L/XE9785L Server Memory

This 256 GB kit contains two 128 GB DDR5 ECC RDIMMs built for Dell PowerEdge XE9780L and XE9785L rack servers. Registered buffering and on-die error correction protect data integrity in mission-critical workloads. The modules install in standard 288-pin DDR5 slots without proprietary connectors.

Thermals and Power at 1.1 V

Each module operates at 1.10 V, keeping power draw low for dense server configurations. Passive operation relies on chassis airflow; no heat spreader is fitted. Registered design reduces electrical load on the memory controller during sustained throughput.

4Rx4 Rank Density Decides Fit

The 4Rx4 organisation packs maximum capacity per DIMM slot, but the memory controller must support quad-rank modules. Verify the server BIOS and CPU memory population rules before purchase; systems limited to dual-rank DIMMs cannot use this kit.

How it compares

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

Price $8,450.99
Pricier than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $33.01 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 lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR44800-744K2
Total capacity256 GB (2 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell
In the box
Included items256 GB (2 × 128 GB) DDR5 5600 MHz PC5-44800 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the Dell PowerEdge XE9780L, and what step is often missed?

Power down the server, open the chassis, align each 288-pin DDR5 RDIMM with the slot key notch, press firmly until the ejector tabs click, then verify in BIOS that both 128 GB modules are recognised at 5600 MT/s.

What maintenance or replacement will the 4Rx4 ECC registered kit need over its service life?

The modules have no moving parts or heat spreaders; routine maintenance is limited to keeping server airflow clean. Replace a module only if ECC logs report uncorrectable errors on a specific DIMM.

What limit appears first when the 256 GB kit runs sustained workloads at 1.1 V?

The primary limit is the CL46 CAS latency at 5600 MT/s; sustained throughput is bounded by this timing rather than voltage or thermal throttling on the registered DIMMs.

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