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Eight green DDR5 RDIMM modules in a row, black chips, no heat spreaders, gold edge connectors

NEMIX RAM

NEMIX RAM DDR5 1TB 8x128GB 4800MHz CL40 2Rx4 ECC Registered RDIMM memory upgrade

SKU CH-598X-E3ZHR

Eight 128 GB DDR5 registered ECC modules deliver 1 TB at 4800 MHz CL40 1.1 V for Supermicro H13SSH-E

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 1TB 8X128GB

Show 30 more
  • 1TB capacity from eight 128GB modules for dense server workloads
  • DDR5 4800 speed with CL40 latency matches rated controller timing
  • 2Rx4 Registered ECC architecture corrects single-bit errors on the fly
  • 10V operation reduces power draw across fully populated slots
  • Verified fit for Supermicro H13SSH-E motherboard 288-pin RDIMM requirements

Server-grade DDR5 RDIMM kit

This 1 TB kit contains eight 128 GB DDR5 registered DIMMs rated at 4800 MT/s with CL40 timings. Each module operates at 1.1 V and uses a 2Rx4 organisation with on-die ECC. The 288-pin RDIMM form factor is built for the Supermicro H13SSH-E motherboard and will not fit desktop UDIMM or laptop SODIMM slots.

Capacity and headroom

Eight slots fully populated give 1 TB of addressable memory for virtualisation hosts, in-memory databases or large-scale simulation workloads. Registered buffering lets the memory controller drive every slot at the rated speed without signal degradation. Workloads that exceed 1 TB per socket will require a platform with higher per-DIMM density or additional memory channels.

Thermals and power

Modules run at the standard 1.1 V DDR5 voltage and have no heat spreaders, relying on chassis airflow for cooling. Registered architecture reduces electrical load on the memory controller, keeping per-DIMM power draw modest under sustained load. In a properly ventilated server chassis the kit operates within normal thermal limits without requiring exotic cooling.

How it compares

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

Price $32,088.99
Pricier than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $32.09 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 numberMR38400-724K8
Total capacity1 TB (8 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items1 TB 8 × 128 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 8 x 128 GB DDR5 4800 CL40 RDIMMs run at full speed alongside older DDR5 modules I keep in the Supermicro H13SSH-E?

The kit is spec-matched to the board's memory-population rules; mixing different ranks, speeds or voltages can prevent full-capacity recognition, so populate all eight slots with this identical 2Rx4 1.10 V CL40 set for guaranteed operation.

How can I verify the 1 TB ECC Registered kit is operating correctly after installation?

Enter the BIOS and confirm all eight 128 GB modules are detected at DDR5-4800 with CL40 timings and 1.10 V, then watch the OS boot without memory errors to validate ECC and registered operation.

What exactly ships in the box and do I need any extra parts for the Supermicro H13SSH-E?

The package contains the complete 1 TB kit — eight 128 GB 288-pin DDR5 RDIMMs — nothing else is required for installation on the H13SSH-E motherboard.

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