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Green rectangular DDR4 DIMM with black chips and gold contacts

A-Tech

A-Tech 4GB DDR4 2666MHz CL19 1Rx8 Desktop RAM for Kingston HX426C16FB3/4

SKU CH-RFCD-SXKRZ

4GB DDR4 2666MHz CL19 desktop DIMM tested for reliable system responsiveness

  • Capacity4GB
  • SpeedDDR4 2666 (PC4 21300)
  • Tested Frequency2666
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • Boosts multitasking with 4GB DDR4 2666MHz capacity
  • Low CL19 latency improves system responsiveness
  • Runs at standard 1.20V DDR4 voltage for efficiency
  • 288-pin DIMM fits desktop motherboards directly
  • Tested compatible replacement for Kingston HX426C16FB3/4

4GB DDR4 2666MHz CL19 Desktop Module

This single 4GB DDR4 module runs at 2666MHz with CL19 latency and 1.20V operation. It is built as a 1Rx8 unbuffered DIMM using major-brand chips. The stick targets desktop owners who need a straightforward capacity increase for everyday workloads.

288-pin DIMM fits standard desktop slots

The 288-pin form factor seats in any desktop DDR4 DIMM slot without extra cables or brackets. As an unbuffered non-ECC module it works with consumer AMD and Intel platforms that accept PC4-21300 memory. Adding this stick frees the memory controller from running in single-channel mode when paired with an identical module.

Replaces Kingston HX426C16FB3/4 equivalents

This A-Tech module is a compatible replacement for Kingston part numbers HX426C16FB3/4, HX426C16FB3K2/8 and HX426C16FB3K4/16. The upgrade is worth it when a system currently has less than 4GB installed or when a failed stick must be swapped for a tested 2666MHz alternative.

Points forts

  • Boosts multitasking with 4GB DDR4 2666MHz capacity
  • Low CL19 latency improves system responsiveness
  • Runs at standard 1.20V DDR4 voltage for efficiency
  • 288-pin DIMM fits desktop motherboards directly
  • Tested compatible replacement for Kingston HX426C16FB3/4

Caractéristiques

BrandA-Tech
Capacity4GB
SpeedDDR4 2666 (PC4 21300)
Tested Frequency2666
CAS LatencyCL19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor Brand Chips
FeaturesMajor Brand Chipset
Recommend UseAMD & Intel Compatible

Questions sur cet article

Will the CL19 latency become a bottleneck during long rendering sessions?

CL19 is the rated timing at 2666 MHz; sustained workloads run at this latency without further degradation.

Does the 1.20V module run hot or loud when the system is on all day?

The 1.20V DDR4 DIMM has no moving parts, so it adds no audible noise and minimal heat to the chassis.

My board has four 288-pin slots — can I use this stick alone?

Yes, the single 4GB 288-pin UDIMM works in any DDR4 desktop slot; the board simply needs an empty DDR4 DIMM socket.

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