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Green circuit board DDR5 memory module with black chips no heat spreader 288 pins

NEMIX RAM

NEMIX RAM 128GB DDR5 4800 CL40 4Rx4 ECC RDIMM SuperMicro MEM-DR512L-SL01-ER48 memory upgrade

SKU CH-FY47-NGASF

A 128 GB DDR5 4800 CL40 ECC registered DIMM built for Supermicro servers

  • Total capacity128 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB capacity supports large datasets and virtualization workloads
  • DDR5 4800 MT/s speed delivers high memory bandwidth for demanding applications
  • ECC registered design detects and corrects data errors for server reliability
  • 1 V operating voltage reduces power draw in dense configurations
  • 4Rx4 organisation maximises density within a single 288-pin RDIMM module

128GB DDR5 4800 ECC RDIMM for Supermicro Servers

This 128GB registered DDR5 module runs at 4800MHz with CL40 latency and 1.1V operation. It uses a 4Rx4 organisation and 288-pin form factor for Supermicro server and workstation platforms. The ECC RDIMM design targets mission-critical workloads that require error correction and registered buffering.

Check Supermicro qualified vendor list

Verify that your specific Supermicro motherboard or barebone supports 128GB single-rank capacity per slot at DDR5 4800. Consult the system manual for approved DIMM population order, maximum per-channel limits and any BIOS version requirements before ordering. Ensure the platform accepts 4Rx4 registered modules at 1.1V.

Fits Supermicro DDR5 RDIMM slots alongside

This module occupies one 288-pin DDR5 RDIMM slot and works with matching 4800MHz ECC registered DIMMs to populate remaining channels. It frees capacity headroom for virtualisation, database or compute nodes without changing voltage or memory type. No heat spreader is fitted, so airflow across the PCB must be maintained by the chassis design.

How it compares

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

Price $3,966.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $30.99 per GB
Pricier than about 89% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR44800-744K1
Total capacity128 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
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB (1 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL46 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Does the package include only the 128GB DDR5 RDIMM or are additional components required?

The package contains a single 128GB DDR5 4800 4Rx4 ECC RDIMM module. No other parts are included; the module installs directly into a compatible 288-pin registered DIMM slot.

Should I select the CL40 or CL46 timing version for my SuperMicro server?

The module is specified with a CAS latency of CL40; the CL46 figure appears in the extended title but the technical specification lists CL40 as the rated latency.

What does the 4800 MT/s speed deliver when the module is installed in a compatible SuperMicro system?

At 4800 MT/s the module provides PC5-38400 bandwidth, operating at 1.10 V with ECC and registered buffering for stable server workloads.

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