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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions 8GB DDR4 2666 CL19 288-Pin DIMM 1.2V 3070 SFF Tower

SKU CH-M3GG-5M00T

8 GB DDR4 2666 MHz CL19 unbuffered DIMM validated for Dell OptiPlex 3070 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
  • 8GB capacity lifts multitasking headroom for Dell OptiPlex 3070 SFF and Tower
  • 2666 MHz DDR4 speed matches the platform's rated memory bus
  • CL19 timing at 1.2V keeps power draw low and stability high
  • 288-pin unbuffered DIMM fits straight into the two available slots
  • Lifetime repair or exchange warranty from Computer Memory Solutions backs the module

Compatible Dell OptiPlex 3070 upgrade

This 8GB DDR4 module is built for the OptiPlex 3070 SFF and Tower models. It targets owners who need a straightforward capacity increase without guessing compatibility. The stick is validated for those specific systems.

Fits two-slot motherboards

The DIMM uses the standard 288-pin DDR4 interface and runs at 1.2V with CL19 timing. It occupies one of the two available slots on the supported platforms, leaving the second socket free for a future addition up to the 32GB maximum. Unbuffered, non-ECC design matches the desktop chipset requirements.

Single-stick kit with lifetime coverage

The package contains one memory stick backed by the manufacturer's lifetime exchange or repair warranty against defects. No heat spreader is included, keeping the profile low for small-form-factor chassis. Appearance may vary from the product image shown.

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 3070 SFF, 3070 Tower
In the box
Included items1 Memory RAM Stick

Questions about this item

Will the CL19 latency limit throughput when the Dell OptiPlex 3070 runs sustained workloads?

The module runs at DDR4 2666 with CL19 timing; the system's memory controller determines actual sustained throughput.

Does the unbuffered 1.2V DIMM generate noticeable heat or fan noise during all-day operation?

Standard DDR4 1.2V unbuffered DIMMs produce minimal heat; the OptiPlex 3070 cooling handles it without extra fan activity.

Must the Dell OptiPlex 3070 SFF or Tower already have a free 288-pin DDR4 slot for this stick to work?

Yes, the system needs an available 288-pin DDR4 DIMM slot; the 3070 SFF and Tower each provide two such slots.

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