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Single green DDR5 RDIMM module with gold contacts and black heat spreader

NEMIX RAM

NEMIX RAM 48GB DDR5 6400MHz ECC RDIMM Server Memory

SKU CH-P36K-HYTA4

48 GB DDR5 6400 MHz ECC registered DIMM with CAS latency 52 at 1.1 V for servers

  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx8
  • High-capacity 48 GB module handles large server workloads
  • DDR5 6400 MHz speed delivers fast data throughput
  • ECC registered design corrects errors for reliable operation
  • Low 1.1 V voltage reduces power draw under load
  • Dual-rank 2Rx8 layout maximises memory density per slot

Server memory module for enterprise workloads

This NEMIX RAM module provides 48GB of DDR5 6400MHz registered ECC memory in a single 288-pin RDIMM. It operates at 1.1V with a CAS latency of 52 and uses a 2Rx8 rank configuration built from major OEM Samsung, Micron or Hynix chips. The PC5-51200 rating matches server platforms that require this exact data rate.

Suited for servers needing registered ECC DDR5

This module fits servers that specifically call for DDR5 6400MHz registered ECC RDIMMs with a 2Rx8 layout. It is not for desktop PCs, workstations that require unbuffered UDIMMs, or systems limited to lower DDR5 speeds. Buyers who need multiple modules to populate all channels should plan for additional identical units.

The registered ECC RDIMM form factor decides

Only motherboards with RDIMM slots that support DDR5 6400MHz registered ECC memory can use this module. Consumer boards with UDIMM-only slots will not accept it, and platforms locked to slower DDR5 speeds cannot run it at the rated 6400MHz. Verify the server’s qualified vendor list before purchasing.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $1,075.99
Pricier than about 81% of the 6,523 comparable items (median $188.99).
CAS latency 52
Higher than about 90% of the 439 comparable items (median 40).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Model namePart#: MR51200-4828K1-SM-AS-1115CS-TNR
Part numberPart#: MR51200-4828K1-SM-AS-1115CS-TNR
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.1 V

Questions about this item

Which server motherboard slot accepts this 288-pin DDR5 RDIMM?

A DDR5 RDIMM slot with ECC support and 1.1 V operation is required; the module is keyed for 288-pin DDR5 only.

Can this 6400 MHz ECC RDIMM run with slower DDR5 modules already installed?

The system will clock all modules to the lowest common speed, so 6400 MHz modules will downshift to match slower DDR5 DIMMs.

How do I verify the module runs at 6400 MHz with CL52 after installation?

Check the BIOS memory information or use a tool such as dmidecode to confirm 6400 MT/s data rate and CAS latency 52.

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