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Four green DDR3 UDIMM sticks with gold contacts

Simmtec, Inc

Simmtec, Inc 32GB (4x8GB) DDR3 1866 PC3-14900 Desktop RAM

SKU CH-M2R8-378XS

32 GB desktop memory kit with four 8 GB DDR3 modules running at 1866 MHz and 1.35 V or 1.5 V

  • Capacity32GB (4 x 8GB)
  • SpeedDDR3 1866 (PC3 14900)
  • 32 GB capacity across four 8 GB modules for ample multitasking headroom
  • DDR3 1866 speed rated at PC3-14900 for responsive desktop performance
  • Dual-voltage operation at 1.35 V and 1.5 V for flexible platform compatibility
  • Non-ECC unbuffered 240-pin UDIMM design fits standard desktop memory slots
  • Built with Micron, Samsung, Hynix or Elpida chips meeting JEDEC standards

Capacity and Speed

This kit provides 32GB of DDR3 desktop memory arranged as four 8GB modules running at 1866 MT/s (PC3-14900). It targets builders who are expanding or repairing systems that use the DDR3 standard and want a matched quad-channel set.

Build Integration

The modules use the 240-pin UDIMM form factor and operate at either 1.35V or 1.5V, so they fit standard desktop DIMM slots without specialised cooling. Populating all four slots delivers the full capacity in a single upgrade, leaving no empty sockets for later additions.

Upgrade Context

This kit replaces smaller DDR3 kits or mismatched modules to reach 32GB in one step. The jump is worthwhile when the motherboard supports 1866 MT/s and four ranks per channel, and when the workload benefits from the extra capacity rather than a newer memory generation.

Highlights

  • 32 GB capacity across four 8 GB modules for ample multitasking headroom
  • DDR3 1866 speed rated at PC3-14900 for responsive desktop performance
  • Dual-voltage operation at 1.35 V and 1.5 V for flexible platform compatibility
  • Non-ECC unbuffered 240-pin UDIMM design fits standard desktop memory slots
  • Built with Micron, Samsung, Hynix or Elpida chips meeting JEDEC standards

Specifications

Capacity32GB (4 x 8GB)
SpeedDDR3 1866 (PC3 14900)

Questions about this item

What is the first limit reached when all four modules run at 1866 MHz continuously?

The memory controller or motherboard voltage regulator typically hits its thermal or current ceiling first, causing down-clocking or instability before the modules themselves overheat.

How much heat and noise should I expect from this 1.5 V kit during all-day operation?

Each 8 GB UDIMM draws modest power at 1.5 V; the modules run passively with no fan, so case airflow alone keeps them quiet and within safe temperatures.

What must my motherboard already provide for these 240-pin DDR3 sticks to work?

A desktop board with four DDR3 UDIMM slots that supports 1866 MHz (PC3-14900) operation and can supply either 1.35 V or 1.5 V to the memory.

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