SPECS: (all copy pasted from newegg website)
Model
Brand: SAPPHIRE
Model: 100283L
Interface
Interface: PCI Express 2.0 x16
Chipset
Chipset Manufacturer: ATI
GPU: Radeon HD 5770 (Juniper XT)
Core Clock: 850MHz
Stream Processors: 800 Stream Processing Units
Memory
Effective Memory Clock: 1200MHz (4.8Gbps)
Memory Size: 1GB
Memory Interface: 128-bit
Memory Type: GDDR5
3D API
DirectX: DirectX 11
Ports
HDMI: 1 x HDMI
DisplayPort: 1 x DisplayPort
DVI: 2 x DVI
General
RAMDAC: 400 MHz
Max Resolution: 2560 x 1600
CrossFireX Support: Yes
Cooler With Fan
System Requirements: 450 Watt or greater power supply with 1x 75W 6-pin PCI Express power connector recommended (600 Watt and two 6-pin connectors for ATI CrossFireX Technology in dual mode)
Power Connector: 6 Pin
Dual-Link DVI Supported: Yes
HDCP Ready: Yes
Website
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102858&cm_re=Sapphire_5770-_-14-102-858-_-Product