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Green circuit board with black memory chips, gold edge connector, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM1024642666SO 8GB DDR4 2666 CL19 memory upgrade

SKU CH-8EQK-P3FP5

8GB DDR4 2666 CL19 SO-DIMM for Dell OptiPlex 3070 Micro, 5070 Micro, 7070 Micro and 7470 All-in-One

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 8GB DDR4 boosts multitasking in compatible Dell OptiPlex systems
  • 2666 MHz speed with CL19 timing delivers responsive performance
  • 2 V unbuffered SO-DIMM keeps power draw low
  • 260-pin module fits OptiPlex 3070, 5070, 7070 Micro and 7470 AIO
  • Single 8GB stick allows easy expansion up to 32GB total

Dell OptiPlex Micro and All-in-One upgrade

This 8 GB DDR4 SO-DIMM is built for Dell OptiPlex 3070 Micro, 5070 Micro, 7070 Micro and 7470 All-in-One systems. It adds a single 260-pin module running at 2666 MHz with CL19 latency. The kit suits office users and IT teams who need a straightforward capacity increase without configuration changes.

Thermals and power in daily use

Operating at 1.2 V, the unbuffered module draws minimal power and produces negligible heat inside the compact chassis. No heat spreader is fitted, so airflow from the system fan passes directly over the chips. Acoustic output remains unchanged because the memory adds no moving parts.

When the jump makes sense

The supported platforms accept up to 32 GB across two slots, so this 8 GB stick is a step toward that ceiling. Buyers already running a single 4 GB or 8 GB module gain dual-channel bandwidth by adding a matched pair. Systems limited to 4 GB total or requiring ECC registered memory cannot use this upgrade.

How it compares

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

Price $42.99
Cheaper than about 79% 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 $5.37 per GB
Cheaper than about 72% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM1024642666SO
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell OptiPlex 3070 Micro, OptiPlex 5070 Micro (MFF), OptiPlex 7070 Micro (MFF), OptiPlex 7470 All-in-One
In the box
Included items1 Memory RAM Stick

Questions about this item

How do I install the 260-pin DDR4 SO-DIMM into the OptiPlex 7070 Micro, and what step is often missed?

Power off and unplug the system, open the chassis, align the notch on the module with the slot key, press firmly until the side clips click, then verify 8 GB appears in BIOS before closing the case.

What maintenance or replacement will the CM1024642666SO need during its service life?

No scheduled maintenance is required; if a memory error appears, run the built-in Dell diagnostics and replace the stick under the manufacturer lifetime warranty.

What limit appears first when the OptiPlex 5070 Micro runs sustained workloads with this 2666 MHz CL19 module?

The platform caps memory at 32 GB across two sockets, so adding a second matched 8 GB stick reaches the maximum supported capacity before any speed ceiling is hit.

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