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Twelve green DDR5 RDIMM modules in silver anti-static tray

NEMIX RAM

NEMIX RAM 1.5TB (12 x 128GB) DDR5 6400MHz 2Rx4 ECC RDIMM server RAM

SKU CH-W7YY-HJ03Q

A 1.5 TB DDR5 server memory kit of twelve 128 GB ECC RDIMMs running at 6400 MHz with CL52 latency and 1.1 V operation

  • Total capacity1.5 TB (12 × 128 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Massive 1.5 TB capacity from twelve 128 GB modules
  • DDR5 6400 MHz speed rated at PC5-51200 bandwidth
  • ECC registered design detects and corrects memory errors
  • Low 1.1 V operating voltage reduces server power draw
  • Dual-rank 2Rx4 organisation on 288-pin RDIMM form factor

Capacity and configuration

This NEMIX RAM kit delivers 1.5TB of DDR5 server memory across twelve 128GB registered DIMMs. Each module operates at 6400MHz with a CAS latency of 52 and runs at 1.1V. The 2Rx4 organisation and ECC support are built for multi-socket platforms that require registered memory.

Suitable systems and limitations

The kit is intended for servers that accept DDR5 6400MHz registered ECC RDIMMs and can populate twelve slots. It will not work in desktop PCs, workstations that need unbuffered memory, or any system limited to lower speeds or fewer slots. Buyers who need non-ECC modules or a different voltage should look elsewhere.

Deciding specification

The registered ECC RDIMM form factor combined with DDR5 6400MHz speed determines whether this kit fits your platform. Verify that your motherboard and CPU support registered DDR5 at this data rate and that twelve slots are available before purchasing.

How it compares

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

Price $55,888.99
Pricier than about 98% of the 6,523 comparable items (median $188.99).
Total capacity 1.5 TB (12 × 128 GB)
Higher than about 94% of the 6,064 comparable items (median 32 GB).
CAS latency 52
Higher than about 90% of the 439 comparable items (median 40).
Price per GB $37.26 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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#: MR51200-724K12-SM-AS-1015CS-TNR
Part numberPart#: MR51200-724K12-SM-AS-1015CS-TNR
Total capacity1.5 TB (12 × 128 GB)
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.1 V

Questions about this item

How can I verify the 12 modules are running at DDR5 6400MHz with CAS latency 52 after installation?

Check the BIOS memory information or a tool such as CPU-Z; each of the 12 DIMMs should report 6400 MT/s, CL52, 1.1 V and registered ECC operation.

What ships in the kit and what must be sourced separately?

The kit contains twelve 128 GB DDR5 6400MHz 2Rx4 ECC RDIMMs (part MR51200-724K12-SM-AS-1015CS-TNR); no cables, brackets or additional components are included.

Which capacity version should I choose for a server that needs 1.5 TB in twelve slots?

Select this 1.5 TB kit (12 × 128 GB) to fill all twelve slots with registered ECC RDIMMs rated at DDR5 6400MHz PC5-51200.

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