BSOD while playing games

That is PAGE_FAULT_IN_NON_PAGED_ AREA is it correct? How about the IRQL_NOT_EQUAL_OR_LESS? Or both is also cause by ram faulty?
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
custom build
OS
Microsoft Windows 7 Ultimate 64-bit
CPU
Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz
Motherboard
ASUSTeK COMPUTER INC. P8Z77-V LX2
Memory
32.00 GB Kingston DRR3
Graphics Card(s)
NVIDIA GeForce GTX 670
Sound Card
ASUS Xonar D2X
Hard Drives
INTEL SSDSC2CT120A3
SAMSUNG HD322GJ
ST2000DM001-1CH164
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