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Sixteen green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 512GB 16x32GB DDR5 5600 CL46 1.1V 288-Pin ECC RDIMM Lenovo SR780a V3 memory upgrade

SKU CH-PV6X-EDNB4

512 GB DDR5 ECC registered kit with sixteen 32 GB modules at 5600 MT/s, CL46 and 1.1 V for Lenovo ThinkSystem SR780a V3

  • Total capacity512 GB (16 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 512 GB total capacity from sixteen 32 GB modules
  • DDR5 5600 speed with PC5-44800 bandwidth for server workloads
  • ECC registered RDIMM design protects data integrity
  • 10 V operating voltage reduces power draw
  • Validated for Lenovo ThinkSystem SR780a V3 rack server

512 GB DDR5-5600 ECC RDIMM kit

This 512 GB kit contains sixteen 32 GB DDR5-5600 ECC registered DIMMs built for the Lenovo ThinkSystem SR780a V3 rack server. Each module runs at 1.1 V with a CL46 latency and a single-rank 1Rx4 organisation. The registered design adds a buffer that helps the memory controller maintain signal integrity across all populated slots.

SR780a V3 memory upgrade path

The kit replaces the factory-installed modules when the SR780a V3 requires the maximum supported capacity for virtualisation, in-memory databases or large-scale analytics. The jump is worthwhile when the workload consistently exceeds the current memory ceiling and the server’s CPU and cooling can sustain the additional modules.

Sustained load behaviour

Registered ECC modules correct single-bit errors on the fly, preventing silent data corruption during long compute runs. The 1.1 V operating voltage keeps per-module power draw modest even when all sixteen slots are active for extended periods. Continuous stress testing at rated speed validates stability before the kit ships.

How it compares

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

Price $13,961.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (16 × 32 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $27.27 per GB
Pricier than about 76% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineLenovo Server/Workstation Compatible Series Memory
Model nameLenovo DDR5 5600 MHz ECC RDIMM Registered Server Memory
Part numberMR44800-314K16
Total capacity512 GB (16 × 32 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 rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo
In the box
Included items512 GB (16 × 32 GB) DDR5 5600 MHz PC5-44800 1Rx4 1.1 V CL46 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the memory slots in a Lenovo ThinkSystem SR780a V3 rack server?

Yes, the 288-pin DDR5 RDIMM form factor matches the slot specification for the Lenovo ThinkSystem SR780a V3 server platform.

What is the correct sequence for populating all 16 slots with these 1Rx4 registered modules to avoid a boot failure?

Follow the Lenovo ThinkSystem SR780a V3 memory population guide; install modules in the prescribed channel order per processor socket to ensure correct interleaving and registered timing.

How can I verify long-term reliability of the ECC function on these Samsung, Micron or Hynix chips after deployment?

Enable platform memory scrubbing and monitor corrected error counters in the BMC or operating system logs; replace any module that shows a rising correctable error trend.

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