Introduction and Technical Specifications

We take a detailed look at ASUS’ newest ROG-line video card, the hybrid-cooled Poseidon GTX 780 video card…


Courtesy of ASUS

The ASUS ROG Poseidon GTX 780 video card is the latest incarnation of the Republic of Gamer (ROG) Poseidon series. Like the previous Poseidon series products, the Poseidon GTX 780 features a hybrid cooler, capable of air and liquid-based cooling for the GPU and on board components. The AUS ROG Poseidon GTX 780 graphics card comes with an MSRP of $599, a premium price for a premium card .

Courtesy of ASUS

In designing the Poseidon GTX 780 graphics card, ASUS packed in many of premium components you would normally find as add-ons. Additionally, the card features motherboard quality power components, featuring a 10 phase digital power regulation system using ASUS DIGI+ VRM technology coupled with Japanese black metallic capacitors. The Poseidon GTX 780 has the following features integrated into its design: DisplayPort output port, HDMI output port, dual DVI ports (DVI-D and DVI-I type ports), aluminum backplate, integrated G 1/4" threaded liquid ports, dual 90mm cooling fans, 6-pin and 8-pin PCIe-style power connectors, and integrated power connector LEDs and ROG logo LED.

Courtesy of ASUS

Courtesy of ASUS

Courtesy of ASUS

In addition to the high-end power components and unique styling we've come to expect with an ROG-branded video card, ASUS integrated a liquid channel, dubbed DirectCU H2O, into the copper cooling plate for the board's GPU and memory. The liquid cooing channel is U-shaped for maximum heat absorption into the liquid medium with the provided inlet and outlet ports capable of interfacing with any standard G 1/4"-sized barb. ASUS couples this cooling system with their DIGI+ VRM digital voltage regulation system, touting increased power efficiency and durability over previous systems. Use of more efficient MOSFETs, power chokes, and capacitors helps to reduce the operating temperature of the card as well.

Courtesy of ASUS

Technical Specifications (taken from the ASUS website)

Graphics Engine

NVIDIA GeForce GTX 780

Bus Standard

PCI Express 3.0

Video Memory


Engine Clock

GPU Boost Clock : 1006 MHz
GPU Base Clock : 954 MHz



Memory Clock

6008 MHz ( 1502 MHz GDDR5 )

Memory Interface



DVI Output : Yes x 1 (DVI-D), Yes x 1 (DVI-I)
HDMI Output : Yes x 1
Display Port : Yes x 1 (Regular DP)
HDCP Support : Yes

Power Consumption

up to 300W additional 6+8 pin PCIe power required


1 x Power cable
1 x ROG Metal Sticker


ASUS GPU Tweak & Driver

ASUS Features

OC Series
Super Alloy Power


11.3 " x 5.4 " x 1.6 " Inch
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