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Two green SO-DIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM2048642666SO 32GB (2x16GB) DDR4-2666 SO-DIMM CL19 1.2V 2Rx8 D39

SKU CH-G0J4-8CYY8

A 32 GB DDR4 SO-DIMM kit built for Dell OptiPlex 7070 Ultra and Precision 5540 systems

  • Capacity32GB (2 x 16GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 32 GB total capacity for demanding workloads
  • 2 x 16 GB matched kit enables dual-channel performance
  • DDR4 2666 MHz speed with CL19 timing
  • 2 V low-voltage operation reduces power draw
  • Tested compatible with Dell OptiPlex 7070 Ultra and Precision 5540

Dell OptiPlex and Precision Compatibility

This 32 GB kit contains two 16 GB DDR4-2666 SO-DIMM modules built for Dell OptiPlex 7070 Ultra and Precision 5540 systems. Each stick uses a 260-pin layout, runs at 1.2 V and carries CL19 timings of 19-19-19. The unbuffered, non-ECC design matches the factory specification for these platforms.

Core i5, i7 and i9 owners only

Buyers with Intel Core i5, i7 or i9 processors can use this non-ECC memory directly. Systems equipped with Intel Xeon CPUs require ECC UDIMM modules instead, so this kit will not function in those configurations. Anyone needing more than 64 GB total capacity or a different form factor should look elsewhere.

Matched pair for dual-channel operation

The two modules are sold as a matched pair to enable dual-channel performance on the two available sockets. Mixing with other memory brands will force all modules to run at the speed of the slowest installed stick or the processor limit. A 64-bit operating system is required to address the full 32 GB capacity.

Pontos fortes

  • 32 GB total capacity for demanding workloads
  • 2 x 16 GB matched kit enables dual-channel performance
  • DDR4 2666 MHz speed with CL19 timing
  • 2 V low-voltage operation reduces power draw
  • Tested compatible with Dell OptiPlex 7070 Ultra and Precision 5540

Especificações

BrandComputer Memory Solutions
ModelCM2048642666SO
Capacity32GB (2 x 16GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemDell OptiPlex 7070 Ultra, Precision 5540
Package Content2 Memory RAM Sticks

Perguntas sobre este artigo

Which Dell models must I already own for this 260-pin DDR4-2666 kit to be guaranteed compatible?

The kit is validated for Dell OptiPlex 7070 Ultra and Precision 5540 systems.

If I keep an existing 16 GB DDR4-2666 module, will the 2Rx8 1.2 V sticks run at the same speed?

All installed memory runs at the slowest module or CPU limit; matched pairs are recommended for best performance.

How can I verify the 32 GB kit is operating at DDR4-2666 CL19 after installation?

Check the memory speed and timings in BIOS or a system-information tool; they should show 2666 MHz and 19-19-19.

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