Over clock / heat

Fine tuning the build, with my cooling can I do the stage 2 o'clock? And I just read my nh d14 will block ram slots?
Ticket Number: 736550
Total Price with Instant Savings: $3,484.00

Direct Load URL: http://www.digitalstormonline.com/comploadsaved.asp?id=736550

Specifications:
Chassis Model: Special Deal Hot Seller - Cooler Master 942 HAF X
Exterior Finish: - Standard Factory Finish
Trim Accents: - Standard Factory Finish
Processor: Intel Core i7 3770K 3.50 GHz (Unlocked CPU) (Quad Core)
Motherboard: ASUS SABERTOOTH Z77 (Intel Z77 Chipset) (Features Thermal Armor and Thermal Radar)
System Memory: 16GB DDR3 1600MHz Corsair Dominator DHX (High-Performance)
Power Supply: 750W Corsair HX (Dual SLI Compatible)
Expansion Bay: - No Thanks
Hard Drive Set 1: Operating System: 1x (180GB Solid State (By: Intel) (Model: 520 Series)
Set 1 Raid Options: - No Thanks
Hard Drive Set 2: Multimedia\Data: 1x (1TB Western Digital Caviar (7200 RPM) (Model: Black Edition)
Hard Drive Set 3: Backup\Misc.: - No Thanks
Optical Drive 1: ASUS Blu-Ray Player/DVD Writer (Play Blu-Ray and Burn DVDs) (Model: BC-12B1ST)
Optical Drive 2: - No Thanks
Internet Access: High Speed Network Port (Supports High-Speed Cable / DSL / Network Connections)
Video Card: 1x NVIDIA GeForce GTX 680 4GB (Includes PhysX)
Add-on Card: - No Thanks
Sound Card: Integrated Motherboard Audio
Extreme Cooling: AIR: Stage 2: Noctua NH-D14 SE2011 Extreme Performance
H20 Tube Color:- Not Applicable, I do not have a FrostChill or Sub-Zero LCS Cooling System Selected
Chassis Airflow: Standard Factory Chassis Fans
Internal Lighting: Internal Chassis Lighting System (Red)
Enhancements: Scythe Kaze Master Temperature Display & Fan Controller (Requires Chassis Airflow Upgrade) (KM01-BK)
Chassis Mods: - No Thanks
Noise Reduction: - No Thanks
LaserMark: - No Thanks
Boost Processor: Stage 1: Overclock CPU 4.0GHz to 4.4GHz <b></b>
Boost Video Card: - No Thanks, Please do not overclock my video card(s)
Boost Memory: - No Thanks, Please do not overclock my memory
Boost OS: - No Thanks, Please do not tweak the services on the operating system
Windows OS: Microsoft Windows 7 Professional (64-Bit Edition)
Recovery Tools: Advanced Recovery Kit (40GB Hard Drive Partition of Image With OS & Drivers)
Virus Protection: - No Thanks
Office: - No Thanks
Game: - No Thanks
Display: Samsung 27 inch 350 Series LED (Widescreen) (Black) (2ms Response Time)
Surge Shield: - No Thanks
Speakers: - No Thanks
Keyboard: Logitech G19 Gaming Keyboard (USB) (920-000969)
Mouse: !SPECIAL: Corsair Vengeance M60 (Laser 5700 dpi) (FPS Gaming Mouse) (While Supplies Last)
External Storage: - No Thanks
Exclusive T-Shirt: FREE: Digital Storm T-Shirt - Black (Extra Large)
Priority Build: - No Thanks, Ship Within 10-15 Business Days After Order Is Successfully Processed
Warranty: Life-time Expert Customer Care with 3 Year Limited Warranty