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Sixteen green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM RS700-E11-RS4U 512GB (16x32GB) DDR5 4800 ECC RDIMM memory upgrade

SKU CH-PBFF-RY936 MPN RS700-E11-RS4U

A 512 GB kit of sixteen 32 GB DDR5 4800 ECC registered DIMMs for the ASUS RS700-E11-RS4U server

  • Total capacity512 GB (16 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 512GB total capacity from sixteen 32GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM for server data integrity
  • 10V operation at CL40 latency timing
  • Validated for ASUS RS700-E11-RS4U 1U dual-socket server

Purpose-built server memory kit

This 512GB kit contains sixteen 32GB DDR5 4800 registered ECC RDIMMs validated for the ASUS RS700-E11-RS4U 1U dual-socket server. Each module runs at 1.1V with CL40 latency and a 1Rx4 organisation. The parts are factory stress-tested for stability in enterprise workloads.

Who should use this kit

IT teams expanding memory in the exact RS700-E11-RS4U chassis will install these modules without compatibility guesswork. Buyers needing unbuffered UDIMMs, lower capacities, or memory for a different server platform cannot use this registered DDR5 kit.

Decisive specification

Registered ECC RDIMM format with 1Rx4 rank structure is required by the target ASUS server; systems that accept only UDIMMs or a different rank configuration will not post with these modules.

How it compares

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

Price $13,080.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (16 × 32 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $25.55 per GB
Pricier than about 70% 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 numberMR38400-314K16
Total capacity512 GB (16 × 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 items512 GB (16 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How do I install the 16 DDR5 288-pin RDIMM modules in the ASUS RS700-E11-RS4U server, and which step is most often missed?

Power down the server, open the chassis, and seat each of the 16 modules firmly until the ejector clips lock on both sides; the step most often missed is populating all 16 slots in the exact channel order shown in the ASUS service guide so that the 512 GB kit runs at 4800 MT/s with ECC active.

What maintenance or replacement will the 1Rx4 ECC RDIMM kit need over its service life?

The modules have no moving parts and no heat spreaders, so routine maintenance is limited to keeping the server air filters clean and verifying ECC corrected-error counts in the BMC logs; replacement is only required if a module begins reporting uncorrectable errors or fails POST memory training.

What is the first limit that appears when the 512 GB kit runs sustained workloads at 4800 MT/s and 1.10 V?

The registered 1Rx4 organisation and CL40 latency mean the memory controller’s thermal and signal-integrity margins are reached before bandwidth saturates, so the first practical limit under sustained load is the server’s DIMM-slot airflow capacity rather than the modules’ own 38400 MB/s peak rate.

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