<ul><li>A-Tech DDR4 Memory RAM compatible replacement for CT2K4G4DFS8266</li><li>8 GB Kit, (2 x 4GB Modules); DDR4 DIMM 288-Pin; Speeds up to 2666/2667-MHz, PC4-21300 (PC4-2666V)</li><li>NON-ECC Unbuffered (UDIMM); 1Rx8 (Single Rank x8); JEDEC DDR4 standard 1.2V</li><li>Compatible for select Desktop Computers; *refer to your system's manual to confirm compatibility</li><li>Expands your system's available memory resource improving performance, reducing bottlenecks, and increasing workload capacity</li><li>All A-Tech memory modules undergo stringent quality control testing to ensure dependable and reliable performance</li><li>Backed by A-Tech's Limited Lifetime Warranty and supported by our knowledgeable Tech Team available to help before and after your purchase</li></ul><br><br>

A-Tech 8GB (2x4GB) RAM Replacement for CT2K4G4DFS8266 | DDR4 2666MHz PC4-21300 (PC4-2666V) CL19 UDIMM 1Rx8 1.2V Non-ECC DIMM 288-Pin Desktop Memory Modules