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Two green DDR4 SODIMM sticks, black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM4096642666SO 64GB (2x32GB) DDR4 2666MHz SODIMM memory upgrade

SKU CH-3AZN-9R5J6

A 64 GB dual-channel kit of two 32 GB DDR4 2666 MHz SODIMM modules for Dell OptiPlex 7070 Ultra and Precision 5540

  • Capacity64GB (2 x 32GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 64GB total capacity in a matched 2 x 32GB kit
  • DDR4 2666MHz speed rated at PC4 21300 for responsive multitasking
  • CL19 19-19-19 timings at 1.2V for stable operation
  • 260-pin unbuffered non-ECC SODIMM fits Dell OptiPlex 7070 Ultra and Precision 5540
  • Lifetime warranty against manufacturing defects from Computer Memory Solutions

System-specific DDR4 upgrade

This 64 GB kit contains two 32 GB SO-DIMM modules built for Dell OptiPlex 7070 Ultra and Precision 5540 systems. It delivers the exact pin count and timing those platforms expect, so the memory is recognised immediately on installation. The unbuffered, non-ECC design matches the factory specification for these workstations and compact desktops. Buyers who need a different capacity or a different form factor should look elsewhere.

Low-voltage operation

Each module runs at 1.2 V with CL19 timings, keeping power draw and heat output minimal inside the tight chassis of the supported Dell models. No heat spreader is fitted, allowing the sticks to sit flush in the two SODIMM sockets without clearance issues. The memory operates silently because it has no moving parts and requires no active cooling. Systems that demand registered or ECC memory cannot use this kit.

64 GB matched pair

The two 32 GB modules are tested together as a matched pair to ensure stable dual-channel performance at 2666 MHz (PC4-21300). This capacity is the maximum the listed Dell platforms officially support, so no larger configuration is possible. A 64-bit operating system is required to address the full amount. Builders who need more than 64 GB or a different speed grade will not be served by this product.

Punti di forza

  • 64GB total capacity in a matched 2 x 32GB kit
  • DDR4 2666MHz speed rated at PC4 21300 for responsive multitasking
  • CL19 19-19-19 timings at 1.2V for stable operation
  • 260-pin unbuffered non-ECC SODIMM fits Dell OptiPlex 7070 Ultra and Precision 5540
  • Lifetime warranty against manufacturing defects from Computer Memory Solutions

Caratteristiche tecniche

BrandComputer Memory Solutions
ModelCM4096642666SO
Capacity64GB (2 x 32GB)
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

Domande su questo articolo

How do I install the 260-pin SODIMM modules in my Dell OptiPlex 7070 Ultra, and what is the common mistake?

Power off and unplug the system, open the chassis, align the notch on each 260-pin module with the slot key, insert at an angle, then press down until the side clips click. The step most people miss is pressing firmly enough to fully seat both clips.

What maintenance or replacement will this 64GB kit need over time?

No routine maintenance is required. The modules carry a limited lifetime warranty against manufacturing defects. If a stick fails, Computer Memory Solutions will exchange or repair it. Keep the gold contacts clean and avoid static when handling.

What limit appears first when this CL19 2666MHz memory runs sustained workloads?

The CAS latency of 19 cycles at 2666MHz sets the baseline response time. Under continuous load the memory controller and CPU thermal limits will throttle before the modules themselves hit a hard ceiling.

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