Notice Mini-review mean a very short review, lesser photo quality, details and information.
i will let benchmark result do more talking :)

ASUS HD7790 Direct CU II - Overclock Edition
ASUS HD 7790 DirectCU II delivers good gaming and multimedia performance with its 1075MHz AMD Radeon™ HD 7790 GPU and 1GB GDDR5 video memory. Thanks to its proprietary thermal design, the HD 7790 DirectCU II offers considerable overclocking overhead that can be exploited with the exclusive ASUS GPU Tweak utility. GPU Tweak makes it easy to increase core and memory speeds, change voltages, regulate fan speeds, and create individual profiles for different games.

Model name HD7790-DC2OC-1GD5
Graphics engine AMD Radeon™ HD 7790
Open GL Open GL 4.2
Video memory 1GB GDDR5, 6400MHz (1600MHz GDDR5)
Memory interface 128-bit
Engine clock 1075MHz
Outputs DVI-I x 1, DVI-D x 1
Dimensions 8.5-inch x 5.1-inch x 1.5-inch

Testing System:
Intel Core i7 3770k
Gigabyte Z77X-UD3H
Samsung 1600mhz Low Profile
Hynix 128SSD Raid 0
Steventeam 1400W Gold
Asus redesign packing box

Accessory Item:
1x Manual book
1x VGA Driver
1x DVI-I to D-sub converter
1x Crossfire link

2x DVI port
1x HDMI 1.4
1x Display Port

This card require 6-pins power

HD7790 allow you to link up another HD7790 card for Crossfire to boost more performance.

Dismantle Direct CU Cooler

GPU core


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