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Four green DDR5 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM RS700-E11-RS4U 128GB (4×32GB) DDR5 4800 CL40 1.1V ECC RDIMM memory upgrade

SKU CH-3P3E-73NCV MPN RS700-E11-RS4U

128 GB kit of four 32 GB DDR5 4800 CL40 ECC registered DIMMs for ASUS RS700-E11-RS4U servers

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB total capacity from four 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design detects and corrects data errors
  • Low 1.1 V operating voltage reduces server power draw
  • Validated for ASUS RS700-E11-RS4U 1U dual-socket servers

128 GB DDR5 ECC RDIMM kit

This kit supplies four 32 GB DDR5 4800 modules with ECC and registered buffering. Total capacity reaches 128 GB at 1.1 V with CL40 latency. It is built for the ASUS RS700-E11-RS4U 1U dual-socket server.

Suited for memory expansion in that server

Administrators adding capacity to an RS700-E11-RS4U will find the correct pin-out, voltage and rank configuration here. Systems needing unbuffered DIMMs, non-ECC memory or a different form factor cannot use this kit.

Registered ECC with 1Rx4 organisation

The modules are 288-pin DDR5 RDIMMs carrying a single 1Rx4 rank per DIMM. That registered ECC design is the single specification that determines compatibility with the target server platform.

How it compares

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

Price $3,366.99
Pricier than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $26.30 per GB
Pricier than about 72% 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 numberMR38400-314K4
Total capacity128 GB (4 × 32 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 rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items128 GB (4 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 4×32GB DDR5 4800 RDIMMs in the ASUS RS700-E11-RS4U, and which step is often missed?

Power down, open the chassis, and seat each 288-pin module until the ejectors click. The step most people skip is verifying the BIOS sees all 128GB at 4800 MT/s before closing the case.

What maintenance or replacement will the 1Rx4 ECC RDIMM kit need later?

No routine maintenance is required; the modules have no heat spreaders to clean. Replace a stick only if ECC correctable-error counts climb or the system logs uncorrectable errors.

What limit appears first under sustained load with these 1.1V CL40 modules?

The CL40 latency at 4800 MT/s sets the throughput ceiling; sustained writes will hit that timing wall before the 1.1V voltage or thermal limits become a factor.

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