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Four green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 384GB 4x96GB DDR5 4800 CL40 1.1V 2Rx4 ECC Registered RDIMM Supermicro H14SSL-N memory upgrade

SKU CH-7FWT-TJQHP

A 384 GB kit of four 96 GB DDR5-4800 CL40 1.1 V 2Rx4 ECC registered RDIMMs validated for the Supermicro H14SSL-N motherboard

  • Total capacity384 GB (4 × 96 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 4X96GB

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  • 384 GB total capacity from four 96 GB modules for dense server workloads
  • DDR5 4800 MT/s speed with CL40 latency matches the motherboard memory controller
  • 1 V operation keeps power draw low in fully populated configurations
  • 2Rx4 registered ECC design corrects single-bit errors and stabilises every slot
  • 288-pin RDIMM form factor fits the Supermicro H14SSL-N exactly

Exact-match DDR5 kit for Supermicro H14SSL-N

This 384 GB kit contains four 96 GB DDR5-4800 RDIMMs built to the 288-pin registered form factor the H14SSL-N requires. Each module runs at 1.1 V with CL40 timing and 2Rx4 organisation so the memory controller recognises the full capacity at rated speed. ECC and registered buffering protect data integrity in production workloads.

Sustained-load behaviour with registered ECC

Registered architecture offloads the memory controller, allowing every slot to stay fully populated at 4800 MT/s without signal degradation during long compute runs. ECC corrects single-bit errors on the fly, preventing silent corruption and unplanned reboots that would interrupt batch jobs or database services. The 1.1 V operating voltage keeps power draw steady across extended duty cycles.

Replaces partial or mismatched populations

The kit upgrades systems running fewer or lower-capacity DIMMs that leave memory channels under-utilised or force the controller to down-clock. It is not suited for boards that accept only unbuffered UDIMMs or SODIMMs, nor for configurations limited to lower maximum capacities per slot. Verify the H14SSL-N population rules before installing all four modules.

How it compares

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

Price $11,234.99
Pricier than about 89% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (4 × 96 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $29.26 per GB
Pricier than about 83% 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 numberMR38400-9624K4
Total capacity384 GB (4 × 96 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 items384 GB 4 × 96 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

Does the 1.1 V DDR5 4800 registered ECC kit add noticeable heat or power draw when all four slots run continuously?

The modules operate at the standard DDR5 1.10 V, so power draw and thermals stay within the server platform's normal envelope for fully populated registered memory.

What must the server already provide for this 384 GB kit to be recognised at full capacity and rated speed?

A Supermicro H14SSL-N motherboard with DDR5 RDIMM slots, a memory controller that supports 2Rx4 registered ECC at 4800 MT/s, and the correct population order for four 96 GB modules.

Will the 288-pin DDR5 4800 registered ECC modules work alongside any older DDR5 RDIMMs I keep in the same chassis?

Mixed-rank or mixed-speed DDR5 RDIMMs can prevent the memory controller from training at 4800 MT/s; the board manual should be consulted for supported population rules before combining kits.

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