Why Task Manager shows 1333 Mhz and not 2666 Mhz despite adding 2*2GB 1333 Mhz (DDR3 KIT) and CPU-Z shows Dual Channel & DRAM Frequency at 665 Mhz? - Quora
Case Gallery] - EVGA z68sli | TechPowerUp Forums
665 MHz DDR3 4 GB RAM Kötü mü ? | Technopat Sosyal
8GB Dual Channel DDR3 665Mhz RAM - HardverApró
Question - Upgrading RAM? | Tom's Hardware Forum
Case Gallery] - EVGA z68sli | TechPowerUp Forums
Solved: Why is my new RAM running as DDR-1330 instead 1600? - Dell Community
motherboard - Why is my memory running at 665Mhz when the BIOS is clearly set to be higher? - Super User