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Two green DDR5 RDIMM modules without heat spreaders, 64GB kit

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5-5600 CL46 2Rx8 ECC Registered RDIMM for Supermicro X14SDW-40C-SP9F memory upgrade

SKU CH-JMW9-256ZE

A 64GB (2x32GB) DDR5-5600 CL46 2Rx8 ECC Registered RDIMM kit validated for the Supermicro X14SDW-40C-SP9F motherboard

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 2X32GB

  • 64 GB kit (2 × 32 GB) gives full-capacity upgrade
  • DDR5-5600 PC5-44800 speed matches the board's rated frequency
  • Registered ECC RDIMM with 2Rx8 rank offloads the memory controller for stable full-population operation
  • 10 V CL46 timing meets the exact voltage and latency the controller expects
  • 288-pin form factor verified for Supermicro X14SDW-40C-SP9F motherboard

Exact-match server upgrade

This 64GB kit contains two 32GB DDR5-5600 Registered ECC RDIMMs built for the Supermicro X14SDW-40C-SP9F motherboard. The modules run at 1.1V with CL46 timing and a 2Rx8 organisation, matching the board's memory controller requirements for full-capacity recognition and rated-speed operation.

Installation and common issues

The 288-pin RDIMM form factor fits only Registered DIMM slots; it will not work in UDIMM or SODIMM sockets. Populate the slots in the order specified by the Supermicro manual, because incorrect population order is the most frequent reason a server fails to boot or reports reduced capacity.

Who this suits and who it does not

This kit suits administrators upgrading a Supermicro X14SDW-40C-SP9F platform that requires Registered ECC memory at DDR5-5600. It does not suit builders who need unbuffered UDIMMs, non-ECC modules, a different DDR generation, or a capacity or rank configuration not validated for this specific motherboard.

How it compares

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

Price $1,997.99
Pricier than about 68% of the 21,161 comparable items (median $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 $31.22 per GB
Pricier than about 90% of the 20,941 comparable items (median $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 nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR44800-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 2 × 32 GB DDR5 5600 MHz PC5-44800 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How can I confirm the 64GB kit is running at DDR5-5600 CL46 after installation?

Check the BIOS or a tool such as CPU-Z; the memory should report 5600 MT/s, CL46 timings, 1.10 V and 2Rx8 registered ECC operation.

What exactly ships in the box and is anything else required?

The package contains two 32 GB 288-pin DDR5 RDIMMs for a total of 64 GB; no cables, brackets or additional parts are included or needed.

Why choose this 64 GB (2×32 GB) DDR5-5600 CL46 kit over other capacities?

It matches the Supermicro X14SDW-40C-SP9F memory controller specifications — 5600 MT/s, 1.10 V, CL46, 2Rx8 registered ECC — ensuring full-speed recognition and stability.

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