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Green rectangular DDR4 UDIMM module with black chips and gold contacts

Simmtec, Inc

Simmtec, Inc 8GB DDR4 2666 PC4 21300 UDIMM 1Rx8 1.2V Non-ECC 3PL81AA

SKU CH-WEXZ-W55BR

An 8 GB DDR4 desktop module running at 2666 MHz with 1.2 V non-ECC operation

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • 8GB DDR4 2666 capacity for smooth multitasking
  • PC4-21300 speed rating for responsive desktop performance
  • 2V low-voltage operation reduces power draw
  • Non-ECC UDIMM design fits standard desktop slots
  • OEM equivalent to part 3PL81AA for guaranteed compatibility

8GB DDR4 2666 Desktop Module

This 8 GB DDR4 2666 UDIMM adds memory capacity to desktop systems that accept PC4 21300 modules. It is built for users who need a straightforward upgrade to support everyday workloads and multitasking.

Major-brand DRAM with OEM-grade validation

Each module uses Samsung, SK Hynix or Micron components and is tested to 100 percent compatibility with the original OEM part 3PL81AA. The 1.2 V non-ECC design fits standard desktop slots and ships in matched sets so mixed-kit issues are avoided.

Replaces aging or undersized DDR4 sticks

Swapping out smaller or slower DDR4 modules for this 8 GB kit restores headroom for current applications. The jump is worthwhile when the existing configuration limits multitasking or triggers frequent paging to disk.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $41.99
Cheaper than about 71% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $5.25 per GB
Cheaper than about 69% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Total capacity8 GB
Performance
Rated speedDDR4 2666 (PC4 21300)

Questions about this item

Does this DDR4-2666 UDIMM run at PC4-21300 bandwidth out of the box?

Yes, the module is rated for DDR4-2666 speed, which corresponds to the PC4-21300 data rate.

Will this 1Rx8 UDIMM fit a standard desktop DIMM slot?

Yes, it uses the standard 288-pin UDIMM form factor used by desktop DDR4 motherboards.

How do I install the module and what step is often missed?

Align the notch with the slot key, press firmly until both side clips click into the notches.

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