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Two green DDR5 RDIMM sticks, black chips, no heat spreaders, 288-pin edge connectors

NEMIX RAM

NEMIX RAM DDR5 5600 256GB (2x128GB) CL46 1.1V 2Rx4 ECC Registered RDIMM Supermicro H13SST-G memory upgrade

SKU CH-5S5S-6YGSM

256 GB kit of two 128 GB DDR5 5600 CL46 1.1 V ECC registered RDIMMs validated for Supermicro H13SST-G

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 2X128GB

Show 24 more
  • 256 GB total capacity with two 128 GB modules
  • DDR5-5600 speed rated at PC5-44800 for server workloads
  • Registered ECC design corrects single-bit errors on the fly
  • 2Rx4 dual-rank organisation matches Supermicro H13SST-G memory rules
  • 1 V operation at CL46 timing validated for this platform

Supermicro H13SST-G DDR5 RDIMM kit

This 256GB kit contains two 128GB DDR5-5600 Registered ECC RDIMMs built for the Supermicro H13SST-G motherboard. The modules run at PC5-44800 with CL46 latency at 1.1V. The 2Rx4 rank layout and 288-pin form factor match the board's memory-controller requirements exactly.

Not for UDIMM or non-ECC platforms

Systems that require unbuffered UDIMMs, SODIMMs or non-ECC memory cannot use this registered kit. Buyers needing lower capacities, different speeds or consumer desktop memory should look at other options.

2Rx4 registered ECC at DDR5-5600

The 2Rx4 registered ECC organisation at DDR5-5600 CL46 1.1V is the single spec that decides compatibility; the board must support this exact rank, voltage and timing for full-capacity operation.

How it compares

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

Price $7,729.99
Pricier than about 84% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $30.20 per GB
Pricier than about 86% 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 numberMR44800-724K2
Total capacity256 GB (2 × 128 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB 2 × 128 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Does this kit require the Supermicro H13SST-G motherboard to have 288-pin RDIMM slots for installation?

Yes, the 288-pin Registered RDIMM form factor matches the slots on the Supermicro H13SST-G motherboard; UDIMM or SODIMM modules will not fit.

Can I keep my existing DDR5 4800 modules installed alongside this DDR5 5600 kit?

Mixing speeds forces all modules to run at the lower 4800 rate; for full DDR5 5600 performance the board should be populated only with this CL46 1.1V kit.

How can I confirm the system is running the full 256 GB at DDR5 5600 CL46 after installation?

Check the BIOS memory information or OS tools such as dmidecode — they should report 256 GB total, 5600 MT/s data rate and CL46 timings.

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