Hello ,this is my settings

Target CPU Frequency 4410MHz
Target DRAM Frequency 1681MHz

LN2 Mode [Disabled]***
QPI Loadline Calibration [Enabled]***

Sync Mode [Enabled]
AI Overclock Tuner [Manual]
OC From CPU level Up [Auto]
2D Performance Booster [Disabled]
CPU Ratio Setting [21]
CPU Turbo Power Limit [Disabled]

>CPU Configuration----------------------------
CPU Ratio Setting [21]
C1E Support [Disabled]
Hardware Prefetcher [Enabled]
Adjacent Cache Line Prefetcher [Enabled]
MPS and ACPI MADT ordering [Modern ordering]
Intel(R) Virtualization Tech [Enabled]
CPU TM Function [Disabled]
Execute Disable Bit [Disabled]
Intel(R) HT Technology [Disabled]
Active Processor Cores [All]
A20M [Disabled]
Intel(R) SpeedStep(TM) Tech [Disabled]
Intel(R) C-STATE Tech Disabled]
C State package limit setting [Auto]
C1 Auto Demotion [Enabled]
C3 Auto Demotion [Enabled]
----------------------------------------------

BCLK Frequency [210]
PCIE Frequency [100]
DRAM Frequency [1681]
UCLK Frequency [3362]
QPI Link Data Rate [Auto]

Memory Configuration Protect [Disabled]

>DRAM Timing Control--------------------------
CAS# Latency [Auto]7
RAS# to CAS# Delay [Auto]7
RAS# PRE Time [Auto]7
RAS# ACT Time [Auto]20
RAS# to RAS# Delay [Auto]4
REF Cycle Time [Auto]88
WRITE Recovery Time [Auto]10
READ to PRE Time [Auto]7
FOUR ACT WIN Time [Auto]20
Back-To-BackCAS# Delay [Auto]0

Timing Mode [Auto]1N
Round Trip Latency on CHA [Auto]62
Round Trip Latency on CHB [Auto]64
Round Trip Latency on CHC [Auto]65

WRITE To READ Delay(DD) [Auto]5
WRITE To READ Delay(DR) [Auto]5
WRITE To READ Delay(SR) [Auto]16
READ To WRITE Delay(DD) [Auto]10
READ To WRITE Delay(DR) [Auto]10
READ To WRITE Delay(SR) [Auto]11
READ To READ Delay(DD) [Auto]7
READ To READ Delay(DR) [Auto]6
READ To READ Delay(SR) [Auto]4
WRITE To WRITE Delay(DD) [Auto]7
WRITE To WRITE Delay(DR) [Auto]7
WRITE To WRITE Delay(SR) [Auto]4
----------------------------------------------

CPU Differential Amplitude [Auto]
CPU Clock Skew [Auto]
IOH Clock Skew [Auto]
------------ Extreme Engine Digi+ ------------
Digi+ PWR Mode [T=Balance]
PWR Volt. Control [Auto]
Load-Line Calibration [Full Calibration]
CPU Voltege OCP [Enabled]
CPU PWM Frequency [Auto]

Extreme OV [Disabled]
Extreme OC [Auto]

CPU Voltage [1.38100]
CPU PLL Voltage [1.81500]
QPI/DRAM Core Voltage [1.31250]
DRAM Bus Voltage [1.62925]

>DRAM REF Voltages----------------------------
DRAM DATA REF Voltage on CHA [+0mV]
DRAM CTRL REF Voltage on CHA [+0mV]
DRAM DATA REF Voltage on CHB [+0mV]
DRAM CTRL REF Voltage on CHB [+0mV]
DRAM DATA REF Voltage on CHC [+0mV]
DRAM CTRL REF Voltage on CHC [+0mV]
----------------------------------------------

IOH Voltage Auto[1.16950]
IOH PCIE Voltage Auto[1.52375]

ICH Voltage Auto[1.13950]
ICH PCIE Voltage Auto[1.52375]

---------- Spread Spectrum Control -----------
CPU Spread Spectrum [Disabled]
DRAM Spread Spectrum [Disabled]


***on-board jumper dependant

But my OC is not stable,what I change in preferences?

Thanks

MB: Asus Rampage 3 E bios 0095
CPU Core i7 920 D0
Corsair Dominator GT 3x2 2000mhz cl8