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Two green circuit boards with gold edge connectors and black memory chips, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 3200 CL22 ECC RDIMM ThinkEdge SE450 memory upgrade

SKU CH-HGBR-87RB5

ECC-registered DDR4 kit adds 64 GB across two 32 GB modules at 3200 MHz CL22 for the ThinkEdge SE450

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 64 GB total capacity expands ThinkEdge SE450 memory headroom
  • ECC registered design protects data integrity in edge AI workloads
  • DDR4 3200 speed matches platform specification for stable operation
  • Dual-rank 2Rx4 organisation maximises density per DIMM slot
  • 2 V low-voltage modules reduce server power draw

Lenovo ThinkEdge SE450 upgrade

This 64GB kit adds two 32GB DDR4 ECC RDIMM modules to the ThinkEdge SE450 Edge AI Server. Registered buffering and error-correcting code protect data integrity in continuous workloads. The kit is built for administrators who need reliable capacity expansion without changing the platform.

Registered ECC modules change reliability

Registered signalling reduces electrical load on the memory controller, allowing the server to populate more slots while keeping timing stable. ECC detects and corrects single-bit errors before they affect applications. Together they turn a standard upgrade into a dependable foundation for edge inference and analytics.

DDR4 3200 sets the practical ceiling

The modules run at 3200 MT/s with CL22 latency at 1.2V, matching the PC4-25600 specification the platform expects. Bandwidth and latency are fixed by this standard, so workloads that demand higher throughput will hit the interface limit. No faster DDR4 speed is supported by this memory kit.

How it compares

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

Price $578.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $9.05 per GB
Typical for this category: the median of 20,941 items is $8.19 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
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR4 ECC RDIMM Registered Server Memory
Part numberMR25600-324K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo
In the box
Included items64 GB (2 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx4 1.2 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the ECC RDIMM modules need any periodic maintenance or replacement after installation?

The DDR4 ECC RDIMM modules are solid-state with no moving parts and no user-serviceable components, so they do not require scheduled maintenance or planned replacement under normal operation.

What is the first limit reached when the 64GB kit runs at 3200 MHz CL22 continuously in the ThinkEdge SE450?

Sustained operation at DDR4 3200 with CL22 timing is bounded by the memory controller's maximum supported data rate and the registered buffer's timing budget, which define the stable throughput ceiling.

How much heat and power does the 2Rx4 1.20 V kit produce when the server runs all day?

Each 32 GB module operates at 1.20 V without a heat spreader; total power draw scales with access intensity, and thermal output stays within standard DDR4 RDIMM limits for the 288-pin form factor.

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