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Two green 288-pin DDR4 RDIMM modules without heat spreaders

OWC

OWC 128GB (2x64GB) DDR4 2933 CL21 ECC Registered RDIMM memory upgrade Supermicro H12SST-PS

SKU CH-GYV5-D111D

A 128GB DDR4 2933 ECC registered RDIMM kit for Supermicro H12SST-PS servers

  • Capacity128GB (2 x 64GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 128GB (2 x 64GB)

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

  • ECC registered design protects data integrity in servers and workstations
  • 128GB kit (2 × 64GB) doubles memory capacity for heavy workloads
  • DDR4 2933 CL21 at 1.2V balances speed with low power draw
  • 288-pin RDIMM form factor fits Supermicro H12SST-PS motherboard
  • Backward compatible with 2133, 2400 and 2666MHz systems

Server-grade memory kit

This OWC kit delivers 128 GB of DDR4 ECC Registered RDIMM capacity across two 64 GB modules. It is built for the Supermicro H12SST-PS motherboard and targets workstation, server and NAS administrators who need error-correcting registered memory for data-integrity workloads.

Dual-module registered layout

The two 288-pin DIMMs operate at 1.2 V and use a 2Rx4 organisation, leaving remaining slots on the board available for further expansion. Registered buffering reduces electrical load on the memory controller, allowing the platform to support higher total capacities than unbuffered alternatives.

Sustained 2933 MT/s operation

Rated at PC4-23400 with CL21 latency, the modules maintain their specified frequency under continuous server loads. Backward compatibility with 2133, 2400 and 2666 MT/s platforms ensures stable operation if the system negotiates a lower speed.

Pluspunten

  • ECC registered design protects data integrity in servers and workstations
  • 128GB kit (2 × 64GB) doubles memory capacity for heavy workloads
  • DDR4 2933 CL21 at 1.2V balances speed with low power draw
  • 288-pin RDIMM form factor fits Supermicro H12SST-PS motherboard
  • Backward compatible with 2133, 2400 and 2666MHz systems

Specificaties

BrandOWC
Part Number2R9D42R4128P
Capacity128GB (2 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

Does the 1.2V DDR4 2933 speed hold under sustained server workloads?

The modules run at 1.2V and are rated for DDR4 2933 (PC4-23400) CL21; JEDEC compliance means they maintain that voltage and speed continuously in the H12SST-PS.

How much heat and noise do two 64GB registered DIMMs add to a quiet rack?

No heat spreaders are fitted, so the 1.2V 2Rx4 modules add minimal thermal load and zero acoustic noise; the system fans handle any extra warmth.

What must the Supermicro H12SST-PS already have to accept this 128GB kit?

The board must support DDR4 ECC Registered RDIMMs, provide 288-pin slots, and run at 1.2V — all standard on the H12SST-PS.

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