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Green printed circuit board DDR4 memory module with black chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions 4GB DDR4 2666MHz CL19 2Rx8 1.2V 288-pin DIMM memory upgrade

SKU CH-N6J8-5ENAH

4GB DDR4 2666MHz CL19 2Rx8 1.2V 288-pin DIMM adds capacity to compatible desktops and workstations

  • Capacity4GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS Latency19
  • Timing19-19-19
  • Voltage1.2V
  • ECCNo
  • 4GB DDR4 module expands system memory for everyday computing
  • 2666 MHz speed with PC4-21300 rating delivers responsive data transfer
  • CL19 latency at 1.2V provides efficient operation
  • 2Rx8 unbuffered 288-pin DIMM fits standard desktop slots
  • Major-brand chipset ensures reliable compatibility and stability

4GB DDR4-2666 DIMM for system upgrades

This 4GB DDR4 module runs at 2666MHz with a CAS latency of 19 and operates at 1.2V. It is built as a 2Rx8 unbuffered DIMM using a 288-pin layout. The part suits owners of compatible desktops or workstations who need a single replacement stick or a basic capacity increase.

DDR4-2666 speed ceiling and single-stick bandwidth

The DDR4-2666 interface caps peak transfer rate at PC4-21300, so the module cannot exceed that throughput regardless of other hardware. Running a single DIMM leaves the memory controller in single-channel mode, halving potential bandwidth compared with a matched pair. Mixing this stick with slower modules forces the entire array down to the lowest common speed.

2Rx8 rank layout decides motherboard compatibility

The 2Rx8 organisation determines whether a given board can address the full 4GB; some chipsets only accept 1Rx8 modules at this density. Buyers must verify that their system explicitly supports 2Rx8 DDR4 DIMMs before purchasing, otherwise the memory may not be recognised or may run at reduced capacity.

Punti di forza

  • 4GB DDR4 module expands system memory for everyday computing
  • 2666 MHz speed with PC4-21300 rating delivers responsive data transfer
  • CL19 latency at 1.2V provides efficient operation
  • 2Rx8 unbuffered 288-pin DIMM fits standard desktop slots
  • Major-brand chipset ensures reliable compatibility and stability

Caratteristiche tecniche

Part NumberCM512642666DIMM
Capacity4GB
SpeedDDR4 2666 (PC4 21300)
CAS Latency19
Timing19-19-19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset

Domande su questo articolo

Should I pick the 4GB 2666MHz CL19 2Rx8 module or look for a different capacity?

This listing is a single 4GB DDR4 2666MHz CL19 2Rx8 1.2V 288-pin DIMM. If you need more capacity, add identical modules in matched pairs for dual-channel performance.

Will the 2666MHz rating actually run at that speed in my system?

The module is rated DDR4-2666 (PC4-21300) with CL19 19-19-19 timing. Installed speed will match the slowest module present or the CPU and motherboard limit, whichever is lower.

Is this a standard DDR4 288-pin DIMM that fits regular desktop slots?

Yes, it is an unbuffered non-ECC DDR4 288-pin DIMM at 1.2V, compatible with standard desktop DDR4 slots that accept 2666MHz modules.

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