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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

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 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.

How it compares

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

Price $412.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $6.45 per GB
Cheaper than about 61% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2048642666DIMM
Total capacity64 GB (4 × 16 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 items4 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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