My Core i5,Overclocking help

[B1Gtime]

Just built a new rig for bf3:

Core i5 2500k @ 4.4 ghz
P67 EXTREME4 Gen 3 Mobo
Xigament LOKI CPU Cooler
Radeon 5850 @ 870 Mhz(temporary,580 will replace this)
G.Skill Rip Jaws 1600mhz(8GB)
NZXT Phantom Case (Black/Orange)

i want to push father than 4.4 which ik is possible,or if u think i should stay at 4.4ghz

BIOS Settings:
Internal PLL Overvoltage: Enabled
Intel SpeedStep Technology: Enabled
Intel Turbo Boost Technology: Enabled
PCH Voltage: 1.012v
CPU PLL Voltage: 1.857v
VTT Voltage: 1.116v
VCCSA Voltage: 0.925v


Under Advanced...
CPU Configuration...
c1,c3 disabled

Turbo Boost Power Limit: Manual
Short Duration Power Limit: 250
Long Duration Power Limit: 200

4.5 i crash in 3D mark 11.
What could i change to get to 4.6 stable..ill be hapy with 4.6

[diluzio91]

link to your mobo please?

Also here's a general guide

http://www.bit-tech.net/hardware/cpus/2011/01/07/how-to-overclock-the-intel-core-i5-2500k/1

[B1Gtime]

http://www.newegg.com/Product/Product.aspx?Item=N82E16813157265