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Two green DDR5 RDIMM sticks, no heat spreaders, 288-pin, 128GB kit

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 4800 CL40 2Rx4 ECC RDIMM for Dell PowerEdge XR5610

SKU CH-FSY8-AGJWW

128GB dual-rank DDR5-4800 ECC RDIMM kit with two 64GB modules at CL40 and 1.1V for Dell PowerEdge XR5610 servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB kit (2 × 64 GB) expands Dell PowerEdge XR5610 memory capacity
  • DDR5 4800 MT/s (PC5-38400) delivers high-throughput server performance
  • CL40 latency at 1.1 V balances speed with power efficiency
  • ECC registered RDIMM with 2Rx4 organisation ensures data integrity under load
  • 288-pin DDR5 form factor matches Dell PowerEdge XR5610 slot specification

128 GB DDR5 4800 ECC RDIMM kit

This registered DDR5 4800 memory kit delivers 128 GB across two 64 GB modules built for the Dell PowerEdge XR5610. Each module operates at 1.1 V with CL40 latency and 2Rx4 organisation. ECC and registered buffering protect data integrity in mission-critical server workloads.

Thermals power and acoustic profile

The modules run at the standard 1.10 V DDR5 voltage without a heat spreader, relying on chassis airflow for cooling. Registered buffering and ECC logic add minimal power overhead compared with unbuffered equivalents. In a properly ventilated rack the kit operates silently and within the thermal envelope Dell specifies for the XR5610.

Sustained load behaviour

Stress testing under continuous load confirms stable operation at the rated 4800 MT/s data rate. Error-correcting code detects and corrects single-bit errors in real time, preventing silent data corruption during long compute runs. The registered design reduces electrical load on the memory controller, helping maintain signal integrity over extended periods.

How it compares

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

Price $3,616.99
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 $28.26 per GB
Pricier than about 79% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Server/Workstation Compatible Series Memory
Model nameDell 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 systemsDell
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

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the Dell PowerEdge XR5610, and which step is often missed?

Power down the server, open the chassis, align each 64GB module's key notch with the slot, press firmly until both retention clips click, then verify in BIOS that both 2Rx4 ranks appear at 4800 MT/s.

What maintenance or replacement will the ECC registered RDIMM kit need over time?

No scheduled maintenance is required; if a module fails the lifetime replacement warranty covers a swap, but otherwise the 1.10V DDR5 chips and on-die ECC run without user service.

What limit appears first when the 128GB kit runs sustained workloads?

The CL40 latency at 4800 MT/s sets the throughput ceiling; thermal throttling is unlikely because the modules have no heat spreader and operate at standard 1.10V server voltage.

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