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Four green DDR4 ECC LRDIMM modules with gold contacts

OWC

OWC 512GB (4×128GB) DDR4 2933 CL21 ECC LRDIMM 288-pin 1.2V HP SimpliVity 325 Gen10 memory upgrade

SKU CH-YBAE-SZM8X

Four 128 GB DDR4 2933 CL21 ECC LRDIMM modules totalling 512 GB for HP SimpliVity 325 Gen10 servers

  • Capacity512GB (4 x 128GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 512GB (4 x 128GB)

  • 512 GB total capacity from four 128 GB modules
  • DDR4 2933 MHz speed with CL21 latency
  • ECC load-reduced design for server reliability
  • 2 V operation reduces power draw
  • Backward compatible with 2133, 2400 and 2666 MHz systems

512GB DDR4 LRDIMM kit for HP SimpliVity 325 Gen10

This upgrade kit supplies four 128GB load-reduced ECC modules that run at 2933MHz with CL21 latency and 1.2V voltage. The 288-pin LRDIMM form factor and 4Rx4 organisation are validated specifically for the HP SimpliVity 325 Gen10 server platform.

Sustained load behaviour

The load-reduced architecture lowers electrical load on the memory bus so all four modules can operate at the rated 2933MHz speed continuously. ECC protection corrects single-bit errors in real time, preventing data corruption during long compute runs or heavy virtualisation workloads.

288-pin LRDIMM connectors and no heat spreader

Bare modules fit dense DIMM slots without extra height, simplifying installation in the target chassis. Compatibility is limited to systems that support DDR4 ECC load-reduced memory; standard desktops and platforms requiring registered or unbuffered DIMMs cannot use this kit.

Highlights

  • 512 GB total capacity from four 128 GB modules
  • DDR4 2933 MHz speed with CL21 latency
  • ECC load-reduced design for server reliability
  • 2 V operation reduces power draw
  • Backward compatible with 2133, 2400 and 2666 MHz systems

Specifications

BrandOWC
Part Number2L9D44R4512S
Capacity512GB (4 x 128GB)
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemHP SimpliVity 325 Gen10

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Questions about this item

How much power do the four 128 GB DDR4 2933 CL21 4Rx4 LRDIMMs draw at 1.2 V under continuous load?

Each module runs at 1.2 V, the standard DDR4 voltage, so the kit draws no more power than any other 288-pin DDR4 LRDIMM at this speed and density.

What must the HP SimpliVity 325 Gen10 already have to accept this 4 × 128 GB ECC LRDIMM kit?

The server needs free 288-pin DDR4 slots that support ECC Load-Reduced memory; it cannot mix these 4Rx4 modules with unbuffered or registered DIMMs.

Will the 2933 MHz modules run at 2666 MHz if the SimpliVity 325 Gen10 only supports that speed?

Yes, the kit is backward-compatible with 2666 MHz, 2400 MHz and 2133 MHz, so it will clock down automatically on slower memory controllers.

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