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Four green DDR2 memory modules with black chips on a plain surface

Micron Technology, Inc.

Micron MT8HTF12864AY-667E1 4GB DDR2 667 desktop RAM

SKU CH-TSE5-YRHJX

A 4 GB DDR2 kit of four 1 GB modules running at 667 MHz PC2-5300U for desktop upgrades

  • Capacity4GB
  • 4GB kit expands system memory for multitasking
  • Four 1GB modules fill four DIMM slots
  • DDR2 SDRAM technology for legacy desktop upgrades
  • PC2-5300U rating delivers 667 MT/s data rate
  • Non-ECC unbuffered design suits standard desktop boards

Kit configuration

This Micron kit supplies four 1GB DDR2 modules for a total of 4GB capacity. It is intended for desktop systems that use PC2-5300U memory running at 667MHz. The non-ECC design suits standard consumer motherboards without error-correction requirements.

Thermals and power

Standard DDR2 voltage and the 667MHz bus keep heat output modest during typical desktop workloads. The modules run passively without a fan, so system noise depends only on case airflow. Power draw remains low compared with newer memory generations.

Build and connectors

Each module uses the standard 240-pin DIMM edge connector that fits DDR2 desktop slots. The four-stick layout fills four channels on compatible boards, leaving no empty slots in a typical four-slot configuration. Gold contacts resist oxidation for reliable long-term seating.

Highlights

  • 4GB kit expands system memory for multitasking
  • Four 1GB modules fill four DIMM slots
  • DDR2 SDRAM technology for legacy desktop upgrades
  • PC2-5300U rating delivers 667 MT/s data rate
  • Non-ECC unbuffered design suits standard desktop boards

Specifications

Capacity4GB

Questions about this item

How do I install the four 1 GB DDR2 modules and which step is often missed?

Power off the system, open the case, align each module notch with the slot key, press firmly until both retention clips click, then repeat for all four slots; the step most often missed is verifying that every clip has fully engaged on both sides.

What maintenance or replacement will this 4 GB DDR2 kit need over time?

No scheduled maintenance is required; if a module fails, replace the faulty 1 GB stick with another PC2-5300U DDR2 module of matching speed.

At what point does the 667 MHz bus become the limiting factor under sustained load?

The 667 MHz data rate caps maximum throughput, so bandwidth saturation appears first during prolonged memory-intensive tasks.

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