DDR2, DDR3 ou DDR5 ?
Achei DDR5 nessas especificações:
- VGA PCI-e ATI HD5770 HIS 1GB DDR5 2xDVI/HDMI/DP por R$439.00
Model Name: HIS HD 5770 Fan (DirectX 11/ Eyefinity/ Full HD 1080p) Native HDMI 1GB (128bit) GDDR5 Dual DL-DVI / Display Port / HDMI (HDCP) PCIe (RoHS)
Chipset: Radeon HD 5770 PCIe Series
ASIC: RadeonTM HD 5770 GPU
Pixel fill rate: 13.6 Gigapixels/sec
Manu. Process (Micron): 40nm
Memory Size (MB): 1024
Memory Type: GDDR5
Engine CLK (MHz): 850MHz
Memory CLK (Gbps): 4.8Gbps
Memory Interface (bit): 128
Power Supply Requirement: 450 Watt or greater power supply with one 75W 6-pin PCI Express® power connectors recommended (600 Watt and two 6-pin connectors for ATI CrossFireXTM technology in dual mode)
Max. Resolution: 3x 2560*1600 (Dual dual-link)
Bus Interface: PCI Express x16
Display Port: Yes
HDMI: Yes
DVI: Yes
2nd DVI: Yes
Na minha opinião, compensa...
Espero ter ajudado, abraços ;)