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Two green 288-pin DDR5 RDIMM modules with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 6400MHz CL52 2Rx4 ECC RDIMM SuperMicro SYS-122HA-TN-LCC memory upgrade

SKU CH-11P9-JQ04B

128 GB registered ECC DDR5 kit runs at 6400 MHz with CL52 latency for SuperMicro SYS-122HA-TN-LCC servers

  • Total capacity128 GB (2 × 64 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • ECC protection safeguards data integrity in critical workloads
  • Registered design stabilises signal quality across 128GB capacity
  • DDR5 6400MHz speed enables high-throughput server performance
  • 2Rx4 organisation maximises density with two 64GB modules
  • 1V operation reduces power draw for efficient operation

Capacity and purpose

This kit provides 128GB of DDR5 registered ECC memory in a matched pair of 64GB modules. It is built for the SuperMicro Hyper SuperServer SYS-122HA-TN-LCC where registered DIMMs and error correction are required. The 2Rx4 organisation supports high-density population on compatible server boards. Buyers needing unbuffered or non-ECC memory for workstations or consumer platforms cannot use this kit.

Interface limits

The modules run at 6400MHz with a CAS latency of CL52 at 1.10V, conforming to the PC5-51200 DDR5 standard for registered DIMMs. Registered buffering adds one cycle of address-command delay, which the memory controller must support. Systems that only accept unbuffered DIMMs or that cap memory speed below 6400MHz will not operate with this kit at its rated specification.

Deciding specification

The 288-pin DDR5 RDIMM form factor with ECC and registered signalling is the single attribute that determines fit. Only motherboards wired for DDR5 registered ECC DIMMs — such as the named SuperMicro server — will recognise and initialise these modules.

How it compares

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

Price $4,170.99
Pricier than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $32.59 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-924K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 RDIMM
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB (2 × 64 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Should I choose the 2x64GB kit or a single 128GB module for my SYS-122HA-TN-LCC?

The kit provides two 64GB modules for dual-channel operation on your SuperMicro SYS-122HA-TN-LCC, matching the 128GB total capacity you specified.

What does the 6400MHz speed mean for my SuperMicro SYS-122HA-TN-LCC server?

The DDR5 6400MHz modules run at PC5-51200 data rates with CL52 latency, delivering high throughput for registered ECC workloads on your SYS-122HA-TN-LCC.

How does the 288-pin DDR5 RDIMM interface limit performance in this server?

The 288-pin DDR5 RDIMM form factor with registered buffering and ECC ensures stable operation at 1.1V, capping speed at the rated 6400MHz for your SYS-122HA-TN-LCC.

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