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Two green DDR4 LRDIMM sticks with gold contacts, no heat spreaders

OWC

OWC 256GB (2x128GB) DDR4 3200 CL22 8Rx4 LRDIMM ECC Kit for Dell PowerEdge C6525 R6515 R7515

SKU CH-7JY5-ZCFJ3

256GB dual-rank DDR4 3200 ECC LRDIMM kit for Dell PowerEdge C6525, R6515 and R7515 servers

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank8Rx4

Capacity 256GB (2 x 128GB)

  • 256 GB total capacity extends server memory headroom with two 128 GB modules
  • DDR4 3200 CL22 delivers rated throughput for Dell PowerEdge C6525, R6515, R7515
  • ECC load-reduced design corrects errors and reduces electrical load on the memory bus
  • 2 V JEDEC-standard voltage ensures warranty-safe operation in supported platforms
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz speeds for flexible deployment

Server-Specific DDR4 Kit

This OWC kit provides 256 GB of DDR4 3200 CL22 ECC Load-Reduced memory in two 128 GB modules. It is built for Dell PowerEdge C6525, R6515 and R7515 servers and workstations. The 288-pin LRDIMMs operate at 1.2 V and carry JEDEC-standard PC4-25600 ratings.

Replacing Lower-Capacity DIMMs

The kit upgrades systems running 2133, 2400, 2666 or 2933 MHz DDR4 by adding higher-density 8Rx4 modules at 3200 MHz. The jump is worthwhile when virtualisation hosts or database nodes need more memory channels populated without exceeding the platform's supported rank-per-channel limit.

For PowerEdge C6525, R6515, R7515 Owners

This memory suits administrators expanding compatible Dell PowerEdge platforms with validated ECC LRDIMMs. It is not for desktop PCs, consumer workstations or any system that requires unbuffered or standard registered DIMMs, as the load-reduced protocol is electrically incompatible.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $1,366.99
Pricier than about 63% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $5.34 per GB
Cheaper than about 72% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3L2D48R4256P
Total capacity256 GB (2 × 128 GB)
Product type288-Pin DDR4 ECC LRDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeLoad Reduced
Memory rank8Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell PowerEdge C6525
Dell PowerEdge R6515
Dell PowerEdge R7515

Other versions of this model

5 more in the same range

Questions about this item

Does this 288-pin LRDIMM kit fit the Dell PowerEdge R6515 and R7515 memory slots?

Yes, the 2x128GB DDR4 3200 CL22 8Rx4 modules are validated for PowerEdge C6525, R6515 and R7515 servers and use the standard 288-pin DDR4 LRDIMM form factor.

What is the correct installation sequence for these 8Rx4 load-reduced DIMMs?

Populate identical 128GB modules in matched channel pairs per the server's memory population guide; mixing with unbuffered or registered ECC DIMMs is not supported.

When should I expect to replace these 128GB LRDIMM modules?

The modules are JEDEC and RoHS compliant with a limited lifetime warranty; replacement is only needed if a module fails diagnostics or capacity requirements change.

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