I have single channel ram speccy says it's 1330.6 mhz and task manager says 2667 mhz. Should I buy 1330 mhz ram or 2666 mhz? : r/pcmasterrace
CMS 8GB (2X4GB) DDR3 10600 1333MHZ Non ECC DIMM Memory Ram Upgrade Compatible with HP/Compaq® Envy Phoenix Desktop H9-1330, H9-1335, H9-1340T - A69 at Amazon.com
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