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Green circuit board with black memory chips and gold edge connector

OWC

OWC 8GB DDR4 3200MHz CL22 SODIMM for Dell OptiPlex 7480 7490 7780 AIO memory upgrade

SKU CH-Y919-1R09Q

8GB DDR4 3200MHz CL22 SODIMM upgrades Dell OptiPlex 7480, 7490 and 7780 all-in-one systems

  • Total capacity8 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • 8 GB capacity lets you run more apps simultaneously
  • 3200 MHz DDR4 speed matches OptiPlex 7480, 7490 and 7780 AIO specs
  • CL22 latency and 1.2 V voltage meet JEDEC standards
  • 260-pin SODIMM form factor fits the All-in-One slots directly
  • 100 % JEDEC and RoHS compliance ensures a warranty-safe upgrade

8GB DDR4 SODIMM for Dell OptiPlex AIO

This 8GB DDR4 module is built for the Dell OptiPlex 7480 AIO, 7490 AIO and 7780 AIO. It targets owners of these all-in-one systems who need more memory for everyday multitasking. The 260-pin SODIMM format fits the factory SO-DIMM slots without adapters.

Upgrade from 4GB or 8GB factory configurations

Moving from a single 4GB stick or a matched 8GB pair to this 8GB module adds capacity for larger workloads. The jump is worth it when the system slows down with multiple browser tabs, office suites or light creative apps open. It runs at 3200MHz with CL22 latency at 1.2V.

Fits the AIO chassis with no extra cooling

The unbuffered, non-ECC design drops straight into the existing memory slot inside the all-in-one enclosure. No heat spreader is fitted, so it relies on the system's internal airflow. The 1Rx8 rank layout keeps electrical load low for the memory controller. Matching capacity and speed across all populated slots is recommended for stability.

How it compares

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

Price $41.99
Cheaper than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $5.25 per GB
Cheaper than about 73% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3S2D41R808 GB
Total capacity8 GB
Product type260-Pin DDR4 Non-ECC SODIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell OptiPlex 7480 AIO
Dell OptiPlex 7490 AIO
Dell OptiPlex 7780 AIO

Other versions of this model

5 more in the same range

Questions about this item

Will this 260-pin SODIMM fit the memory slot in my OptiPlex 7480 AIO?

Yes, the 260-pin DDR4 SODIMM form factor matches the slot used in the OptiPlex 7480 AIO, 7490 AIO and 7780 AIO.

What is the correct way to seat the module, and what step do people often miss?

Align the notch on the module with the key in the slot, press firmly until both side clips click into place, and verify the stick sits flat — many forget to push hard enough for the clips to engage.

Does this 1.2 V CL22 module need any firmware update or periodic cleaning after installation?

No firmware update is required; the JEDEC-compliant SPD configures timings automatically, and the module has no heat spreader or moving parts that need maintenance.

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