well its a big improvement over my 4890 (just tried hawx and its smooth as silk now), and i think thats a tad better than your 216 last i checked
, the corsair 750 is fine im using it myself, it probably can handle dual of anything tbh

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do you want an egg or a shroud
and are they going in the antec?
sweet got a stable 1000/1350 on my Asus card.
Running the Stalker DX11 benchmark means it stable? That a good assumption?
Lastly will my Corsair 750W PSU handle a pair of 5770s? It coped with a pair of 8800GTX's if that helps![]()
Run Furmark stability test for 15 mins or more. Check for artifacts or digital snow whilst its running and especially at the end of the test.
If games hard lock after a while and only a forced reboot cures it then back your ram off.
Mine initially seemed fine at similar clocks to yours. 10 mins of Furmark and 20 mins of L4D2 (Hard lock.) proved me wrong.
Another way to eliminate these over clocking limitations is to flash the bios of your 5770 to that of the Asus HD5770 Voltage Tweaker Edition.. Please note that doing so will surely void your warranty and could very likely render your card inoperable!! Follow at your own risk...
Below is a detailed guide to flashing you bios.
**Please note again, you take full responsibility for doing this**
Lets start at what you need..
* Any Flash drive or USB bootable device such as external hard drives will do
* HP USB Disk Storage Format Tool
* The Boot Files (Extract them)
* Atiflash
* The Unlocked Bios (Extract it and rename it to something like unlock.bin
Start with installing the HP USB Disk Storage Format Tool.
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* Select the Device you plan to use and choose FAT32 as the File System
* Tick the box "Create a DOS startup disk" and select the option "using DOS system files located at" then browse to the extracted boot files you downloaded.
Start the prosess.
When it's done you will have a bootable USB device, all you have to do now is copy the Atiflash.exe and unlock.bin to the root of your bootable device and reboot your computer.
See to it that your bios points to this device as the First Boot Device and once it booted to DOS just type:
atiflash -f -p 0 unlock.bin
Once finished it will tell you to restart the computer to continue, just press Ctrl + Alt + Delete
If you have 2 cards in crossfire, remove one and flash one at a time, making sure the one being flashed id in the top most pci-e slot
Enjoy unlocked overclocking...
Is it a bad idea to try and flash a 5750 card with a 5770 bios?
If it does not work i can always flash it back? right?
bought my 5770 a day or so before they declared that all of the 5770's would come with a dirt2 voucher. I emailed fatboy with no replywhat to do?, webnote?