AMD Radeon R9 270 User Manual

1.1.2 Requirements for AMD CrossFire™ Technology
Minimum requirements for installing an additional graphics card for
AMD CrossFire configuration:
•
AMD CrossFire certified motherboard. For an up-to-date listing of
AMD CrossFire certified motherboards, see support.amd.com/us/certified/
Pages/certified-components.aspx.
•
A second AMD Radeon™ R9 270X/R9 270 graphics card.
•
One AMD CrossFire internal bridge interconnect per additional board
(included).
•
Power supply requirements:
•
AMD Radeon R9 270X—600 watt or better power supply with two 6-pin
power connectors.
•
AMD Radeon R9 270—600 watt or better power supply with four 6-pin
power connectors.
For an up-to-date listing of certified power supplies, see support.amd.com/us/
certified/power-supplies/Pages/listing.aspx.
•
Certified system case with good airflow and cooling (highly recommended).
For more information, see Empty Cross-Reference jla1323455569707.xml
.
1.2 Recording the Serial and Part Numbers
Write down the serial number and part number before installing the graphics card.
The serial number and 102 part number on the graphics card are required for
registration and free support. They are located on a sticker on the back of the card.
The emphasized numbers in bold are required for registration and free support.
Figure 1–1 Sample Serial and Part Numbers
2 Getting Started
AMD Radeon™ R9 270X/R9 270 Graphics © 2014 Advanced Micro Devices, Inc.

AMD Radeon R9 270 Specifications

General

Architecture	GCN 1.0
Stream Processors	1280
Core Clock	900 MHz
Boost Clock	925 MHz
Memory Size	2 GB
Memory Type	GDDR5
Memory Bus	256-bit
TDP	150 W
DirectX	11.2
GPU	Curacao Pro
Process Size	28 nm
Transistors	2.8 Billion
Die Size	212 mm²
Memory Clock	1400 MHz
Memory Bandwidth	179.2 GB/s
ROPs	32
TMUs	80
DirectX Support	11.2
OpenCL	1.2
Shader Model	5.0
PCI Express Version	3.0