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Four green 288-pin DDR4 LRDIMM modules, no heat spreaders

OWC

OWC 512GB (4x128GB) DDR4 2933 CL21 ECC Load Reduced LRDIMM for Dell PowerEdge XR4510c XR4520c

SKU CH-43DA-QFCH5

512 GB DDR4 2933 ECC load-reduced quad-rank kit of four 128 GB modules for Dell PowerEdge XR4510c and XR4520c servers

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

Capacity 512GB (4 x 128GB)

  • Maximise server capacity with 512GB ECC Load Reduced kit
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Four 128GB modules at DDR4 2933 CL21 1.2V
  • Backward compatible with 2133 2400 2666 MHz speeds
  • Designed for Dell PowerEdge XR4510c and XR4520c

Dell PowerEdge XR4510c XR4520c Memory Kit

This 512GB kit contains four 128GB DDR4 2933 ECC Load Reduced LRDIMM modules built for Dell PowerEdge XR4510c and XR4520c servers. It delivers 1.2V operation with CL21 latency and 4Rx4 organisation for high-density registered memory configurations. The modules are JEDEC and RoHS compliant for warranty-safe upgrades in compatible systems.

Load Reduced ECC Interface Constraints

Load Reduced ECC memory cannot be mixed with unbuffered or standard registered DIMMs in the same platform. The 288-pin DDR4 form factor fits only server and workstation boards wired for LRDIMM signalling. Backward compatibility covers 2133MHz 2400MHz and 2666MHz speeds when the platform negotiates a lower data rate.

512GB Capacity For Dense Workloads

Four ranks per module provide the headroom needed for virtualisation databases and large in-memory datasets on the target PowerEdge platforms. The kit fills four slots at 128GB each so further expansion depends on remaining DIMM slots and the CPU memory controller limit. Systems needing more than 512GB per socket must use higher-density modules or additional channels.

Points forts

  • Maximise server capacity with 512GB ECC Load Reduced kit
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Four 128GB modules at DDR4 2933 CL21 1.2V
  • Backward compatible with 2133 2400 2666 MHz speeds
  • Designed for Dell PowerEdge XR4510c and XR4520c

Caractéristiques

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 SystemDell PowerEdge XR4510c
Dell PowerEdge XR4520c

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Questions sur cet article

Should I buy the 512GB kit or add single 128GB modules?

The 512GB kit contains four matched 128GB LRDIMMs tested together for the XR4510c and XR4520c. Using the full kit avoids mixing ranks or speeds that can prevent the server from posting.

What does the 2933MHz rating deliver in a PowerEdge XR4510c?

The modules run at DDR4 2933 (PC4-23400) with CL21 latency at 1.2V, providing the maximum memory bandwidth the XR4510c and XR4520c memory controllers support.

Is the 288-pin LRDIMM interface compatible with standard RDIMM slots?

No. Load-Reduced DIMMs use a different electrical buffer than Registered DIMMs and cannot be mixed with RDIMM or unbuffered memory in the same server.

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