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

NEMIX RAM

NEMIX RAM DDR5 5600 ECC RDIMM 256GB (2x128GB) CL46 1.1V Supermicro H13SSL-NT

SKU CH-4DEJ-9QBCC

A 256 GB DDR5 5600 registered ECC kit with 1.1 V CL46 timing, built for the Supermicro H13SSL-NT motherboard

  • 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

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  • 256 GB total capacity from two 128 GB modules enables maximum memory density
  • DDR5 5600 speed rated at PC5-44800 delivers high bandwidth for server workloads
  • Registered ECC architecture corrects single-bit errors on the fly to prevent data corruption
  • CL46 latency at 1.1 V provides stable timing at standard DDR5 voltage
  • 288-pin RDIMM form factor matches Supermicro H13SSL-NT motherboard requirements exactly

Exact-match DDR5-5600 kit for Supermicro H13SSL-NT

This 256 GB kit delivers two 128 GB DDR5 registered ECC RDIMMs rated at 5600 MT/s with CL46 timing and 1.10 V operation. It is built for administrators who need the full 256 GB capacity recognised at rated speed on the Supermicro H13SSL-NT motherboard.

288-pin registered form factor

Each module uses the 288-pin RDIMM form factor that the board requires, not UDIMM or SODIMM. Registered buffering offloads the memory controller so every slot runs fully populated, while on-die ECC corrects single-bit errors before they reach production workloads.

CL46 latency at DDR5-5600

The CAS latency of 46 cycles at 5600 MT/s is the timing the platform expects for stable operation at full capacity. Buyers whose systems demand a different latency or voltage should verify their motherboard manual before ordering.

How it compares

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

Price $8,368.99
Pricier than about 85% 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 $32.69 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 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

Other versions of this model

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Questions about this item

What does the DDR5 5600 PC5-44800 interface cap at in real use?

The kit runs at DDR5 5600 (PC5-44800) with CL46 latency at 1.1 V, so the memory controller will recognise the full 256 GB at that rated speed.

What physical slot and form factor does this 288-pin RDIMM kit need?

Each 128 GB module is a 288-pin DDR5 RDIMM; the board must accept registered DIMMs, not UDIMM or SODIMM.

How do I install the two 128 GB sticks on the Supermicro H13SSL-NT, and which step is often missed?

Follow the motherboard manual for approved population order and install both RDIMMs in the specified slots; the step most often missed is verifying the exact slot sequence for full-capacity operation.

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