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Eight green DDR4 ECC registered RDIMM modules in a row

OWC

OWC 512GB (8x64GB) DDR4 2933 CL21 ECC Registered RDIMM Supermicro H12SST-PS

SKU CH-M0K3-RRG6M

Eight-module DDR4 ECC registered RDIMM kit providing 512 GB at 2933 MHz CL21 for Supermicro H12SST-PS servers

  • Capacity512GB (8 x 64GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 512GB (8 x 64GB)

Doorgestreepte varianten bestaan wel, maar zijn hier niet op voorraad.

  • ECC registered design prevents data corruption in critical workloads
  • 512 GB total capacity across eight 64 GB modules for high-density servers
  • DDR4 2933 CL21 at 1.2 V balances speed and power efficiency
  • 288-pin RDIMM form factor fits Supermicro H12SST-PS motherboards
  • Backward compatible with 2133, 2400 and 2666 MHz systems

Targeted Server Upgrade

This kit delivers 512GB across eight 64GB DDR4 2933 CL21 ECC registered RDIMMs built for the Supermicro H12SST-PS motherboard. It is intended for administrators expanding workstation or server memory capacity with validated modules. Buyers needing unbuffered desktop memory or load-reduced DIMMs cannot use this kit.

DDR4 2933 Registered Limits

The modules run at 1.2V with a 2Rx4 organisation and conform to the PC4-23400 standard. Registered signalling adds one cycle of latency and requires a platform that supports registered ECC DIMMs; consumer chipsets will not POST with them. The kit is backward compatible with 2133, 2400 and 2666MHz bus speeds when the system dictates a lower frequency.

Replaces Supermicro OEM Parts

This upgrade directly replaces Supermicro part numbers MEMDR464LCL01ER29, MEMDR464LHL02ER29, MEMDR464LSL01ER29 and MEM-DR464MC-ER29. The jump is worthwhile when the board has free 288-pin slots and the workload demands the full 512GB registered capacity. Systems limited to unbuffered memory or smaller maximum capacities will not benefit.

Pluspunten

  • ECC registered design prevents data corruption in critical workloads
  • 512 GB total capacity across eight 64 GB modules for high-density servers
  • DDR4 2933 CL21 at 1.2 V balances speed and power efficiency
  • 288-pin RDIMM form factor fits Supermicro H12SST-PS motherboards
  • Backward compatible with 2133, 2400 and 2666 MHz systems

Specificaties

BrandOWC
Part Number2R9D42R4512K
Capacity512GB (8 x 64GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemSupermicro Motherboard H12SST-PS

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Vragen over dit artikel

Should I choose the 512GB kit or would a smaller capacity work for the Supermicro H12SST-PS?

The 512GB kit provides 8 modules of 64GB each, filling all slots on the H12SST-PS for maximum registered ECC capacity.

What does the 2933MHz speed actually deliver when installed in the H12SST-PS?

The modules run at DDR4 2933 PC4-23400 CL21 1.2V, and the board will clock them at the highest supported frequency up to that rating.

Is the 288-pin DDR4 interface on these RDIMMs compatible with the H12SST-PS memory slots?

Yes, the 288-pin ECC registered DDR4 form factor matches the H12SST-PS slots; the kit is also backward compatible with 2133MHz, 2400MHz and 2666MHz operation.

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