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Green rectangular DDR3 UDIMM module with gold contacts and black chips no heat spreader

OWC

OWC 4GB DDR3 1600 CL11 240-pin UDIMM for OptiPlex 3020

SKU CH-CWQQ-Q8CT0

4GB DDR3 1600 CL11 UDIMM upgrade for Dell OptiPlex 3020 SFF and Tower systems

  • Capacity4GB
  • Type240-Pin DDR3 Non-ECC UDIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCNo
  • 4GB capacity adds multitasking headroom for daily workloads
  • DDR3 1600 CL11 speed matches OptiPlex 3020 specifications
  • 5V JEDEC-standard voltage ensures warranty-safe operation
  • Single 240-pin UDIMM installs in minutes without tools
  • 1Rx8 unbuffered non-ECC design built for desktop reliability

Single-module upgrade for OptiPlex 3020

This 4 GB DDR3 module is built specifically for the Dell OptiPlex 3020 SFF and Tower. It installs in a single 240-pin UDIMM slot and runs at 1600 MHz with CL11 latency at the standard 1.5 V. The unbuffered, non-ECC design matches the OEM specification for a warranty-safe upgrade.

4 GB capacity and DDR3 1600 headroom

The single rank 1Rx8 layout delivers 4 GB of addressable memory, suitable for everyday office applications and light multitasking. Systems that require more than 4 GB per slot or need registered ECC modules will not be supported by this part. Maximum usable capacity depends on the motherboard slot count and chipset limits.

Standard voltage thermals and silent operation

Operating at the JEDEC 1.5 V rating, the module draws minimal power and runs without a heat spreader. Passive cooling is sufficient for typical desktop workloads, and the absence of active cooling means zero added noise. Power consumption scales with memory bus activity and remains within the platform envelope.

Puntos fuertes

  • 4GB capacity adds multitasking headroom for daily workloads
  • DDR3 1600 CL11 speed matches OptiPlex 3020 specifications
  • 5V JEDEC-standard voltage ensures warranty-safe operation
  • Single 240-pin UDIMM installs in minutes without tools
  • 1Rx8 unbuffered non-ECC design built for desktop reliability

Especificaciones

BrandOWC
Part Number1U6D31R804GB
Capacity4GB
Type240-Pin DDR3 Non-ECC UDIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemDell OptiPlex 3020 SFF
Dell OptiPlex 3020 Tower

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Preguntas sobre este artículo

Will the 1.5V DDR3 1600 CL11 module run stably alongside the existing 1.5V DDR3 sticks in my OptiPlex 3020?

Yes — it matches the 1.5V voltage, 1600MHz speed and CL11 latency of the factory memory, so the system will train all DIMMs at the same JEDEC timings without manual BIOS changes.

How can I confirm the 4GB 240-pin UDIMM is detected at PC3-12800 after installation?

Open Task Manager → Performance → Memory and verify the speed reads 1600 MHz, or run CPU-Z and check the SPD tab shows PC3-12800 CL11 for the new slot.

Does the single 1Rx8 4GB stick ship alone or with any brackets or tools for the 3020 SFF chassis?

The box contains only the bare 240-pin UDIMM; no brackets, screws or tools are included, and the OptiPlex 3020 uses tool-less DIMM clips already built into the motherboard.

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