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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 192GB (12x16GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-7TAA-19BKX

192GB DDR5 4800 ECC registered server memory kit with twelve 16GB modules at CL40 latency for ASUS S14NA-U12 compatibility

  • Total capacity192 GB (12 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 192 GB total capacity across twelve 16 GB modules
  • DDR5 4800 speed with CL40 latency for server workloads
  • ECC registered RDIMM design protects data integrity
  • 1 V operation reduces power draw under load
  • Validated for ASUS S14NA-U12 server board compatibility

Server-grade DDR5 ECC RDIMM kit

This 192GB kit contains twelve 16GB registered DDR5 modules rated at 4800 MT/s with CL40 latency. It is built for IT professionals who manage mission-critical server and workstation environments. Every module is stress-tested to ensure stability under sustained enterprise workloads.

288-pin registered DDR5 form factor

Each stick uses the 288-pin RDIMM interface with on-board register and ECC circuitry. The registered design buffers address and command signals, allowing the memory controller to drive all twelve modules reliably. A motherboard with DDR5 RDIMM slots and registered memory support is mandatory for operation.

Fills twelve slots at 1.1 volts

The kit occupies a full dozen DIMM sockets and runs at the standard DDR5 voltage of 1.1 volts. It frees administrators from mixing smaller kits or sourcing matched modules separately. Systems limited to fewer than twelve slots or to unbuffered memory cannot use this configuration.

How it compares

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

Price $5,156.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (12 × 16 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $26.86 per GB
Pricier than about 74% 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 numberMR38400-618K12
Total capacity192 GB (12 × 16 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 rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items192 GB (12 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What does the CL40 latency mean for real-world server workloads on this kit?

CL40 is the CAS latency at DDR5 4800; the memory controller waits 40 cycles before data is returned, which is the standard timing for registered ECC modules at this speed.

How does the PC5-38400 rating relate to the DDR5 4800 interface on these modules?

PC5-38400 is the peak transfer rate designation that corresponds to DDR5 4800, indicating the maximum theoretical throughput the registered DIMM can deliver.

Will the 288-pin registered DIMMs fit the memory slots on the ASUS S14NA-U12 board?

Yes, the kit uses 288-pin DDR5 RDIMM form factor, which matches the registered DIMM slots on the ASUS S14NA-U12 server motherboard.

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