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Overclocking a GPU

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August 25, 2013 9:32:36 AM

Hi guys

I've kinda been itching to put together a high and system again and was wondering the following:

If i purchase two 780 and SLI them, do I go with a standard version or an OC or something?

Basically I'm wondering if I can just buy a standard edition and actually overclock them both to the point of the higher priced versions. I had a custom loop in mind so cooling should be no problem.

More about : overclocking gpu

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a c 158 K Overclocking
August 25, 2013 9:54:37 AM

I don't know what makes people believe they can take a reference card and easily OC it to match a factory overclocked card and yes, I am assuming you manually OC the factory OC'd card.

1. Factory OC'd cards generally come with improved coolers.

2. Factory OC'd cards most often (EVGA SC series is an exception) come with custom PCBs and beefed up VRMs

3. factory OC'd cards sometimes use hand binned GPUs

Custom cooled GFX cards are usually limited to the stock reference versions. generally recommended to buy them pre-assembled.

I put this together this post for someone last night

==============================================

Id do two separate loops .... using Asus Rampage VI Formula and two Asus Posiedon GTX 700 GPUs (hoping for September release)

Here's a interior reservoir build.....

http://rog.asus.com/forum/showthread.php?33364-Maximus-...

This is a bay reservoir s build


GPU Loop

Crystal Link Tube Set .... This is 4 slot, 2 - 5 slot options available
http://www.frozencpu.com/products/10746/ex-tub-671/Bits...

Tubing Adapter .... Bitspower SLI / Crossfire Multi-Link Adapter Pair - Matte Black (BP-MBWP-C47) 2 for Crystal Link,
http://www.frozencpu.com/products/10743/ex-tub-668/Bits...

Tubing Adapter .... Bitspower Matte Black Ultimate G 1/4 Thread 3/8" ID x 1/2" OD Rotary Compression Fitting (BP-MBRCPF-CC2) 2 for GPU connections, 2 for Pump, 2 for Rad, 2 for reservoir so 8
http://www.frozencpu.com/products/11107/ex-tub-700/Bits...

Radiator - Alphacool NexXxoS UT60 Full Copper Triple 140mm Radiator 468 x144 x 60mm
http://www.frozencpu.com/products/16826/ex-rad-427/Alph...

Radiator Gasket - XSPC 3 x 140mm Radiator Gasket - 3mm (2 for pull / 3 for push pull)
http://www.frozencpu.com/products/16826/ex-rad-427/Alph...

Reservoir Pump - Alphacool Repack Dual 5.25" Acrylic Reservoir - Clear - w/ D5 Variant Pump Installed (15171) and Swiftech MCP655™ 12v Water Pump w/ Speed Control Option (+$15)
http://www.frozencpu.com/products/20791/ex-res-616/Alph...



CPU Loop

Radiator - Alphacool NexXxoS UT60 Full Copper Dual 140mm Radiator 324 x 144 x 60mm
http://www.frozencpu.com/products/16825/ex-rad-426/Alph...

Radiator Gasket - XSPC 2 x 140mm Radiator Gasket - 3mm (2 for pull / 3 for push pull)
http://www.frozencpu.com/products/20857/ex-rad-629/XSPC...

Reservoir Pump - Alphacool Repack Dual 5.25" Acrylic Reservoir - Clear - w/ D5 Variant Pump Installed (15171) and Swiftech MCP655™ 12v Water Pump w/ Speed Control Option (+$15)
http://www.frozencpu.com/products/20791/ex-res-616/Alph...

Water Block - XSPC RayStorm High Performance Acetal CPU Liquid Cooling Block - Black Edition (Intel) (Sockets LGA 115x / 1366 / 2011)
http://www.frozencpu.com/products/16546/ex-blc-1168/XSP...

WB Cover Plate - XSPC Aluminum Red Edition Mounting Face Plate - Intel Raystorm CPU Block
http://www.frozencpu.com/products/20746/ex-blc-1485/XSP...

Tubing Adapter .... Bitspower Matte Black Ultimate G 1/4 Thread 3/8" ID x 1/2" OD Rotary Compression Fitting (BP-MBRCPF-CC2) 2 for Water Block, 2 for Pump, 2 for Rad, 2 for reservoir so 8
http://www.frozencpu.com/products/11107/ex-tub-700/Bits...

Tubing - Tygon 2475 Ultra Chemical Resistant Plasticizer Free Tubing - 3/8" ID (1/2" OD) - Clear (ACG00027) .... Figure 10 feet
http://www.frozencpu.com/products/10691/ex-tub-663/Tygo...


You will need (3) 140mm fans for the GPU loop and (2) for the CPU loop....consider later if ya want push-pull.

If ya case cant mount 140's .... then change to 360 and 240 rads

Accessories..... fluid ....distilled water recommended .... if ya must have color look at the Mayhem pastel stuff....think about biocides and corrosion inhibiter additives.

Funnel ?
http://www.frozencpu.com/products/10772/ex-res-193/Prim...

Some 45 and 90 bends might come in handy.
http://www.frozencpu.com/products/11887/ex-tub-737/Bits...
http://www.frozencpu.com/products/10751/ex-tub-675/Bits...

Switch to cylinder reservoir if ya case don't have the bays available.

AquaComputer Pump Adapter w/ Aqualis Reservoir and Pump Installed + $15 variable speed pump option
http://www.frozencpu.com/products/16994/ex-res-422/Aqua...

Preassembled GPU Options:

http://www.frozencpu.com/products/20826/ex-vga-37/EVGA_...

$250 case option - Look at H20 possibilities
http://phanteks.com/#&panel1-1&panel2-1

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