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Four green circuit boards with black memory chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions 64GB (4x16GB) DDR4 2666MHz CL19 DIMM memory upgrade for Dell OptiPlex 7070 SFF Tower

SKU CH-NPGT-KBHD2

Four 16 GB DDR4 DIMMs deliver 64 GB at 2666 MHz CL19 for Dell OptiPlex 7070 SFF and Tower systems

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V
  • 64 GB total capacity from four 16 GB modules
  • Guaranteed compatibility with Dell OptiPlex 7070 SFF and Tower systems
  • DDR4 2666 MHz speed with CL19 latency for responsive performance
  • 20 V low-voltage operation reduces power draw and heat
  • 288-pin unbuffered non-ECC DIMM design fits standard desktop slots

64 GB DDR4 kit for OptiPlex 7070

This 64 GB kit contains four 16 GB DDR4 2666 MHz DIMMs built to the PC4 21300 standard with CL19 timing and 1.20 V operation. The unbuffered, non-ECC modules use a 2Rx8 rank layout on major-brand chipsets and fit the 288-pin slots in Dell OptiPlex 7070 SFF and Tower chassis.

Who this suits and who should look elsewhere

The kit targets owners of the listed OptiPlex 7070 models who need the full 64 GB capacity across all four slots for memory-intensive workloads. Buyers whose systems accept fewer than four modules or who require ECC error correction should look elsewhere, as should anyone needing a speed grade other than 2666 MHz.

What the bundle changes

The matched four-stick package lets the platform run in a balanced configuration without mixing ranks or speeds, avoiding the automatic down-clocking that occurs when dissimilar modules are installed together. A 64-bit operating system is required to address the full capacity.

Highlights

  • 64 GB total capacity from four 16 GB modules
  • Guaranteed compatibility with Dell OptiPlex 7070 SFF and Tower systems
  • DDR4 2666 MHz speed with CL19 latency for responsive performance
  • 20 V low-voltage operation reduces power draw and heat
  • 288-pin unbuffered non-ECC DIMM design fits standard desktop slots

Specifications

BrandComputer Memory Solutions
ModelCM2048642666DIMM
Capacity64GB (4 x 16GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemDell OptiPlex OptiPlex 7070 Small Form Factor (SFF), OptiPlex 7070 Tower
Package Content4 Memory RAM Sticks

Questions about this item

Does my Dell OptiPlex 7070 SFF need four free 288-pin DDR4 slots to install this 64GB kit?

Yes, the kit contains four 16GB DIMMs and the OptiPlex 7070 SFF has exactly four DDR4 slots, so all must be free.

If I keep two of my existing 16GB DDR4 2666MHz sticks and add this kit, will the system still run at 2666MHz?

All memory will run at the speed of the slowest installed modules; matching 2666MHz CL19 timing avoids downclocking.

How can I confirm the full 64GB is recognised and running at 2666MHz CL19 after installation?

Enter the BIOS or open Task Manager — total memory should show 64GB and speed should read 2666MHz with 19-19-19 timings.

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