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Sixteen green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 1.5TB 16x96GB DDR5 5600 CL46 2Rx4 1.1V ECC RDIMM Lenovo SR780a V3

SKU CH-HGK9-1NVN6

16-module 1.5 TB DDR5 ECC RDIMM kit running at 5600 MT/s CL46 1.1 V for Lenovo ThinkSystem SR780a V3

  • Total capacity1.5 TB (16 × 96 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 5 TB capacity with 16 modules of 96 GB each
  • DDR5 5600 speed rated at PC5-44800 for high throughput
  • ECC registered design detects and corrects data errors
  • Low 1.1 V operating voltage reduces power draw
  • Validated for Lenovo ThinkSystem SR780a V3 rack server

Capacity and purpose

This kit supplies 1.5TB of DDR5 registered ECC memory across 16 modules of 96GB each. It is built for the Lenovo ThinkSystem SR780a V3 rack server and targets workloads that demand large, error-corrected capacity.

Thermals and power

Each module operates at 1.1V with a CL46 latency at 5600 MT/s. The registered design adds a buffer that reduces electrical load on the memory controller during sustained server operation.

Build integration

The 288-pin RDIMM form factor fits the SR780a V3 memory slots directly. The 2Rx4 organisation maximises density per channel, leaving additional DIMM slots free for future expansion if the platform supports it.

How it compares

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

Price $41,209.99
Pricier than about 95% of the 21,161 comparable items (median $397.99).
Total capacity 1.5 TB (16 × 96 GB)
Higher than about 97% of the 20,941 comparable items (median 32 GB).
Price per GB $27.47 per GB
Pricier than about 77% 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 numberMR44800-9624K16
Total capacity1.5 TB (16 × 96 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
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo
In the box
Included items1.5 TB (16 × 96 GB) DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 16 DDR5 96GB RDIMMs in the Lenovo ThinkSystem SR780a V3, and which step is commonly missed?

Power down the server, open the chassis, and insert each 288-pin module into the slots specified in the SR780a V3 memory population guide; the step often missed is following the exact slot sequence for 16 modules to enable all memory channels.

What maintenance or replacement will the 1.5TB DDR5 ECC RDIMM kit need over its service life?

The modules have no moving parts and no heat spreaders, so routine maintenance is limited to keeping server air filters clean; replacement is only required if a module fails, which is covered by the manufacturer's lifetime replacement warranty.

What limit appears first when the 16x96GB DDR5 5600 CL46 kit runs sustained workloads on the SR780a V3?

The registered DDR5 modules operate at 1.1V with CL46 latency; under continuous load the first limit is typically the server's memory thermal throttling point, which protects the 2Rx4 chips from exceeding safe operating temperatures.

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