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Six green DDR5 RDIMM modules with black heat spreaders and gold contacts

NEMIX RAM

NEMIX RAM 768GB DDR5 4800 ECC RDIMM 6x128GB 2Rx4 1.1V 288-pin

SKU CH-42Y5-EY92K

A 768GB DDR5-4800 ECC registered kit of six 128GB dual-rank modules at 1.1V for server upgrades

  • Capacity768GB (6 x 128GB)
  • SpeedDDR5 4800 (PC5 38400)
  • CAS Latency40
  • Voltage1.1V
  • ECCYes
  • Buffered/RegisteredRegistered
  • Massive 768GB capacity from six 128GB modules
  • ECC registered design protects data integrity in servers
  • DDR5 4800 speed delivers high bandwidth throughput
  • Low 1.1V operation reduces power consumption
  • Dual-rank 2Rx4 organisation optimises memory density

Server Memory Kit

This NEMIX RAM kit provides 768GB of DDR5 server memory across six 128GB registered DIMMs. Each module runs at 4800MHz with a CAS latency of 40 and operates at 1.1V. The 2Rx4 organisation and on-die ECC support data integrity for mission-critical workloads.

Suited For Enterprise Servers

Designed for platforms that accept 288-pin DDR5 RDIMMs and require registered, error-correcting memory at this density. Systems limited to unbuffered UDIMMs, lower maximum capacities per slot, or earlier DDR generations cannot use this kit.

Build Integration

The six modules populate six DIMM slots in a compatible server motherboard, delivering high capacity without occupying additional expansion slots. Registered buffering reduces electrical load on the memory controller, helping stability in dense configurations. ECC capability protects against single-bit errors without extra software overhead.

Highlights

  • Massive 768GB capacity from six 128GB modules
  • ECC registered design protects data integrity in servers
  • DDR5 4800 speed delivers high bandwidth throughput
  • Low 1.1V operation reduces power consumption
  • Dual-rank 2Rx4 organisation optimises memory density

Specifications

BrandNEMIX RAM
ModelPart#: MR38400-724K6-SM-AS-1115S-FWTRT
Part NumberPart#: MR38400-724K6-SM-AS-1115S-FWTRT
Capacity768GB (6 x 128GB)
SpeedDDR5 4800 (PC5 38400)
CAS Latency40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix

Questions about this item

Does the server motherboard need DDR5 RDIMM slots to accept this 288-pin 1.1V kit?

Yes, the modules are DDR5 4800 RDIMMs with 288 pins and 1.1V operation, so the board must provide DDR5 RDIMM sockets.

Can the 2Rx4 registered ECC modules run alongside other DDR5 RDIMMs of different capacity in the same server?

They can share a DDR5 RDIMM platform, but the memory controller must support mixed 2Rx4 ranks and the total capacity per channel; check the motherboard manual for population rules.

How can I verify the kit is running at PC5-38400 with CL40 after installation?

Enter the BIOS or use a tool like dmidecode to confirm each 128GB module reports 4800 MT/s, CAS latency 40, 1.1V and registered ECC operation.

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