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Twelve green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 1.5TB (12x128GB) DDR5 4800 ECC RDIMM CL40 1.1V 288-Pin ASUS S14NA-U12

SKU CH-NK0T-7XR5M

A 1.5 TB DDR5 registered ECC kit with twelve 128 GB modules at 4800 MT/s, CL40, 1.1 V, validated for ASUS S14NA-U12 servers

  • Total capacity1.5 TB (12 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Massive 1.5 TB capacity from twelve 128 GB modules
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • ECC registered design protects data integrity in critical servers
  • Low 1.1 V operation reduces power draw and heat
  • Validated for ASUS S14NA-U12 motherboard compatibility

ASUS S14NA-U12 validated kit

This 1.5 TB kit is built specifically for the ASUS S14NA-U12 server board. Twelve 128 GB DDR5 4800 registered ECC modules populate every slot with matched parts. IT teams can deploy the full capacity in a single maintenance window.

Replaces partial or mixed-capacity sets

Swapping a partial or mixed-capacity configuration for this 12-module kit removes rank mismatches and timing variance. The jump is worth it when the board must run at the full 1.5 TB limit with ECC integrity from day one.

1.5 TB headroom for dense workloads

The kit comfortably handles virtualization clusters, in-memory databases and large-scale container fleets. It runs out when an application demands more than the board’s maximum supported capacity or a faster data rate than DDR5 4800.

How it compares

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

Price $45,991.99
Pricier than about 95% of the 21,161 comparable items (median $397.99).
Total capacity 1.5 TB (12 × 128 GB)
Higher than about 97% of the 20,941 comparable items (median 32 GB).
Price per GB $30.66 per GB
Pricier than about 88% 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 numberMR38400-744K12
Total capacity1.5 TB (12 × 128 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 rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items1.5 TB (12 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does the 288-pin DDR5 RDIMM form factor fit the ASUS S14NA-U12 server board?

Yes, the kit contains twelve 288-pin DDR5 RDIMM modules designed for the ASUS S14NA-U12 motherboard.

What is the correct way to populate all 12 slots with these 4Rx4 registered modules?

Install one 128GB module per slot following the board's population sequence; the common error is skipping the prescribed order which can prevent the system from posting.

When should the 12-module kit be replaced if ECC corrections start increasing?

Replace modules when the platform logs show a sustained rise in corrected errors, indicating the DDR5 chips are degrading beyond the ECC margin.

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