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Green circuit board with black memory chips, 288 gold pins, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM1024642666DIMM 8GB DDR4 2666 CL19 1.20V 2Rx8 288-Pin DIMM memory upgrade

SKU CH-76P3-S3K6D

8GB DDR4 2666 CL19 1.20V 2Rx8 288-pin DIMM validated for Dell OptiPlex 7070 SFF and Tower systems

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 8 GB capacity expands OptiPlex 7070 multitasking headroom
  • DDR4 2666 speed matches system memory bus
  • CL19 timing keeps latency predictable under load
  • 2 V operation reduces power draw and heat
  • 288-pin DIMM fits OptiPlex 7070 SFF and Tower slots

Targeted Dell OptiPlex 7070 upgrade

This 8GB DDR4 module is built specifically for Dell OptiPlex 7070 Small Form Factor and Tower systems. It delivers a straightforward capacity increase for office workstations that need more memory headroom. The single stick installs directly into an available 288-pin slot without configuration changes.

Standard voltage and unbuffered operation

Running at 1.20V with CL19 timings, the module draws minimal power and generates little heat inside compact chassis. Unbuffered, non-ECC design keeps latency low for typical business applications. No heat spreader is fitted, so airflow from the system fan passes cleanly over the chips.

Fits four-slot motherboards up to 64GB total

The OptiPlex 7070 platform provides four DIMM sockets supporting a maximum of 64GB. This 2Rx8 stick can be paired with identical modules to enable dual-channel performance. Mixing with existing memory is possible, though the system will run at the speed of the slowest installed module.

How it compares

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

Price $38.99
Cheaper than about 81% 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 $4.87 per GB
Cheaper than about 78% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM1024642666DIMM
Total capacity8 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell OptiPlex OptiPlex 7070 Small Form Factor (SFF), OptiPlex 7070 Tower
In the box
Included items1 Memory RAM Stick

Questions about this item

How do I install the CM1024642666DIMM in my OptiPlex 7070 SFF and what step is often missed?

Align the notch on the 288-pin DIMM with the slot key, press firmly until both side clips click shut, then verify the 2666 MHz speed in BIOS — the clips not fully locking is the common miss.

What maintenance or replacement will this 8GB DDR4 module need over time?

No routine maintenance is required; the module carries a limited lifetime warranty from Computer Memory Solutions, so replacement only occurs if a manufacturing defect appears.

What limit appears first when this 2Rx8 CL19 kit runs sustained workloads on the OptiPlex 7070?

The four-slot, 64 GB platform ceiling is reached before thermal or voltage limits, since the unbuffered 1.20V sticks have no heat spreader and run at standard JEDEC timings.

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