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Eight green DDR4 LRDIMM sticks with gold contacts and black chips

OWC

OWC 1TB (8x128GB) DDR4 3200 CL22 ECC LRDIMM 288-pin 1.2V memory upgrade kit

SKU CH-QW1V-Q89T3

Eight 128 GB DDR4 3200 CL22 ECC load-reduced DIMMs totalling 1 TB for Dell PowerEdge C6525, R6515 and R7515 servers

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank8Rx4

Capacity 1TB (8 x 128GB)

  • 1TB server memory kit extends capacity for demanding workloads
  • ECC load-reduced design protects data integrity in critical applications
  • DDR4 3200 CL22 at 1.2V balances speed and power efficiency
  • Eight 128GB 8Rx4 modules populate all channels for maximum bandwidth
  • Validated for Dell PowerEdge C6525, R6515 and R7515 platforms

What this kit is and who it serves

This OWC kit delivers 1 TB of DDR4 ECC load-reduced memory in eight 128 GB modules rated at 3200 MT/s with CL22 timing at 1.2 V. It is built for Dell PowerEdge C6525, R6515 and R7515 servers that require 288-pin LRDIMMs.

Who should use it and who should not

It suits administrators expanding virtualisation capacity or running large in-memory workloads on the listed PowerEdge platforms. It is not for standard desktop PCs, workstations that take unbuffered or registered ECC DIMMs, or any system that cannot accept 8Rx4 load-reduced modules.

The specification that decides fit

The modules are 288-pin DDR4 ECC LRDIMMs with an 8Rx4 organisation and a JEDEC-standard 3200 MT/s speed grade. If the target server’s memory controller and qualified-vendor list do not support that exact combination, the kit will not function.

How it compares

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

Price $6,251.99
Pricier than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $6.25 per GB
Cheaper than about 63% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3L2D48R41TBK
Total capacity1 TB (8 × 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

Will the 288-pin DDR4 LRDIMM modules fit the memory slots in a Dell PowerEdge R7515?

Yes, the 288-pin DDR4 ECC Load Reduced form factor matches the DIMM slots in the Dell PowerEdge R7515, R6515 and C6525.

What is the correct order for installing the eight 128 GB modules across the CPU channels?

Populate each channel identically with one module per channel before adding a second, and never mix these 8Rx4 LRDIMMs with unbuffered or registered ECC DIMMs.

When should the 1.2 V LRDIMMs be replaced if ECC correctable error counts start rising?

Replace modules when the system logs show a sustained increase in correctable errors, indicating cell wear on the 8Rx4 DDR4 devices.

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