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Green rectangular DDR5 RDIMM module with black chips and gold edge connector

NEMIX RAM

NEMIX RAM 32GB DDR5 6400 CL52 2Rx8 ECC RDIMM Supermicro H14DSG-OD memory upgrade

SKU CH-53XA-AMSQ0

32 GB DDR5 6400 ECC registered RDIMM with CL52 latency and 1.1 V operation, verified for the Supermicro H14DSG-OD motherboard

  • Total capacity32 GB
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Exact-match DDR5-6400 CL52 1.1V timing for full-rated speed
  • 2Rx8 registered ECC RDIMM architecture for stable full-population operation
  • Verified fitment with Supermicro H14DSG-OD motherboard 288-pin slot
  • Single-bit error correction prevents silent data corruption in production
  • Lifetime replacement warranty with US-based technical support included

Server Memory Upgrade

This 32GB DDR5 6400 CL52 2Rx8 ECC Registered RDIMM is an exact-match upgrade for the Supermicro H14DSG-OD motherboard. It delivers the precise rank, voltage, and timing the server's memory controller expects for full-capacity recognition and rated-speed operation. The 288-pin Registered form factor matches the board's physical and electrical requirements.

Thermals and Power

Operating at 1.10V, the module runs at standard DDR5 server voltage without a heat spreader. The registered architecture buffers address and command signals, reducing electrical load on the memory controller when every slot is populated. ECC circuitry corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots during sustained workloads.

Build Integration

The 288-pin RDIMM fits only motherboards designed for registered ECC memory; it will not work in consumer UDIMM or SODIMM slots. Installation must follow the H14DSG-OD manual's population order to enable all channels at 6400 MT/s. Builders needing non-ECC memory, lower latency timings, or modules with heat spreaders should select a different product.

How it compares

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

Price $1,188.99
Pricier than about 62% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $37.16 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 numberMR51200-328K1
Total capacity32 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install this 288-pin DDR5 RDIMM in the Supermicro H14DSG-OD and which slot order does the manual require?

Power down the server, open the chassis, and insert the module into the DIMM slots following the population sequence listed in the Supermicro H14DSG-OD manual; the 288-pin keying prevents incorrect orientation.

Will the ECC function or the registered buffer on this 2Rx8 module degrade and need replacement over time?

The ECC logic and registered buffer are integrated into the DRAM and register chips; they do not wear out and have no scheduled replacement interval.

At what point does the CL52 latency at 6400 MT/s become the bottleneck during sustained workloads?

The CAS latency of CL52 at 6400 MT/s sets the minimum access delay; under continuous heavy traffic the memory controller waits for each column strobe, making this timing the first limiting factor.

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