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Two green DDR4 ECC LRDIMM modules, gold contacts, black heat spreaders, 288-pin server memory kit

OWC

OWC OWC2933L6M128 128GB DDR4 2933MHz ECC LRDIMM 2x64GB server RAM

SKU CH-8HBS-YMZAM MPN OWC2933L6M128

128 GB DDR4 server memory kit with two 64 GB ECC registered LRDIMMs running at 2933 MHz CL21 1.2 V

  • Capacity128GB (2 x 64GB)
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 128 GB total capacity from two 64 GB modules
  • ECC error correction protects data integrity in servers
  • Registered DDR4 2933 MHz with CL21 latency
  • 20 V low-voltage operation reduces power draw
  • Intel XMP 2.0 profile enables one-click performance setup

Capacity and Configuration

This 128GB kit contains two 64GB LRDIMM modules for servers that accept 288-pin DDR4 memory. It targets administrators upgrading supported Mac Pro systems or compatible workstations where large single-module capacity is required.

Compatibility Checks

Verify the platform uses 288-pin DDR4 slots and supports Load-Reduced DIMMs at 2933 MT/s. Do not mix these LRDIMMs with standard RDIMMs, as mixing triggers a memory error on startup. Confirm the BIOS or firmware enables ECC and registered operation.

Build Integration

The modules operate at 1.2V with CL21 timings and include Intel XMP 2.0 profiles for automatic configuration. ECC and registered buffering reduce electrical load on the memory controller, freeing headroom for additional populated slots. The 8-layer low-noise PCB supports stable operation in dense configurations.

Pontos fortes

  • 128 GB total capacity from two 64 GB modules
  • ECC error correction protects data integrity in servers
  • Registered DDR4 2933 MHz with CL21 latency
  • 20 V low-voltage operation reduces power draw
  • Intel XMP 2.0 profile enables one-click performance setup

Especificações

BrandOWC / Other World Computing
Capacity128GB (2 x 64GB)
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
BIOS/Performance ProfileIntel XMP 2.0
Peso de envio0.09 kg
Dimensões da embalagem178 × 102 × 13 mm

Perguntas sobre este artigo

Does the 128GB kit ship as two 64GB modules or do I need to buy a second kit?

The kit ships as a matched pair of two 64GB modules giving 128GB total capacity.

Should I choose the 2933MHz CL21 LRDIMM or a standard RDIMM for my server?

Select this LRDIMM only if your platform specifically requires load-reduced modules; do not mix it with standard registered DIMMs.

What real-world bandwidth does the 2933MT/s rating deliver once installed?

The modules provide a peak bandwidth of 23.4GB/s per channel at the rated 2933MT/s data rate.

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