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Eight green DDR5 RDIMM modules in a row, no heat spreaders, gold contacts visible

NEMIX RAM

NEMIX RAM DDR5 1TB 8x128GB 4800MHz CL40 ECC RDIMM Supermicro H14SSL-N memory upgrade

SKU CH-1GWQ-Y74PC

Eight 128 GB DDR5 RDIMMs deliver 1 TB of registered ECC memory at 4800 MHz CL40 for the Supermicro H14SSL-N

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 1TB 8X128GB

Show 24 more configurations
  • 1TB kit delivers maximum server capacity with eight 128GB modules
  • DDR5 4800 speed matches the motherboard's rated memory controller frequency
  • Registered ECC architecture corrects single-bit errors and offloads the controller
  • CL40 latency at 1.1V provides the exact timing and voltage the board expects
  • 288-pin RDIMM form factor fits the Supermicro H14SSL-N memory slots

Supermicro H14SSL-N memory kit

This 1 TB kit contains eight 128 GB DDR5 registered ECC RDIMMs built for the Supermicro H14SSL-N motherboard. Each module runs at 4800 MT/s with CL40 latency at 1.10 V using a 2Rx4 organisation. The registered design lets the memory controller drive a fully populated system without signal degradation.

Upgrade from partial or slower DDR5 configurations

Replacing a smaller or mixed-capacity set with this matched 8 x 128 GB kit removes population mismatches and lets every channel run at the rated 4800 MT/s. The jump is worthwhile when the workload needs the full 1 TB address space and the board’s population rules require identical ranks and voltages across all slots.

DDR5 registered DIMM limits

Registered DDR5 modules add a buffer that stabilises heavy loads but introduces one extra cycle of latency compared with unbuffered alternatives. The 288-pin form factor fits only DDR5 RDIMM slots; it cannot be used in UDIMM or SODIMM sockets. Maximum capacity and speed still depend on the motherboard’s qualified vendor list and the processor’s integrated memory controller.

Highlights

  • 1TB kit delivers maximum server capacity with eight 128GB modules
  • DDR5 4800 speed matches the motherboard's rated memory controller frequency
  • Registered ECC architecture corrects single-bit errors and offloads the controller
  • CL40 latency at 1.1V provides the exact timing and voltage the board expects
  • 288-pin RDIMM form factor fits the Supermicro H14SSL-N memory slots

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K8
Capacity1TB (8 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content1TB 8X128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Will the 288-pin RDIMM modules fit the Supermicro H14SSL-N DIMM slots?

Yes, the kit uses 288-pin DDR5 RDIMM form factor that matches the H14SSL-N motherboard slots exactly.

What is the correct population order for the 8x128GB 2Rx4 modules?

Follow the H14SSL-N manual for approved DIMM population order; fully populate all channels with identical 2Rx4 registered modules.

Do the modules need active cooling since they lack heat spreaders?

Standard server airflow over the bare DRAM is sufficient; no additional cooling is required for 1.1V DDR5 RDIMM operation.

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