How to Buy a New Graphics Card for a PowerMac

PowerMacs come with specific slots for advance graphics cards. If your PowerMac does not have a graphics card or if you would like to buy a more advanced version, follow these steps to learn how.

Instructions

Difficulty: Easy

Things You’ll Need:

• Computer with Internet access

1. Check the slot compatibility of your machine. Different models of PowerMac support different slots. For example, PowerMac G5 supports PCIe slots. It has 4 16x slots. PowerMac G4 supports AGP slots and PowerMac G3 has 4 PCI slots. Make sure you select a card compatible with the slot your machine supports.
2. Assess your need for a graphics card. High-end video cards are suited for 3-D gaming. For functions like video editing, digital photography and surfing, there is a middle-range card available on the market. For just supporting graphics, lower-end cards are also available.
3. Look for a higher-memory bandwidth on the video card you select. Memory bandwidth is the speed at which the graphics processor communicates with the graphics memory. A higher-memory bandwidth enables faster rendering. AGP slots offer options up to 8x, while PCIe slots are available in 1x, 4x, 8x, 16x and 32x.
4. Check the memory of the card. The memory size of a card refers to the extent to which it can support graphics operations without using the PC’s memory. More memory also ensures higher speed. A high-performance video card generally has a memory ranging between 256 MB and 1 GB.
5. Identify the additional features you want in your video card. Video cards offer features like TV-in/out facility, dual head support and DVI facility. Select a card that provides the facility you need.
6. Compare prices of graphics cards online as well as in computer stores. Usually you would get the best deals for Apple products on the Apple site itself. Look at various buyers’ guides to understand the features, pricing and versions of different video cards. For more information, see the Resources guide below.

Tips & Warnings

• Browse through product reviews on the Internet before you settle on a particular card.
• Browse through blogs and discussion forums for gamers and advanced graphic designers. These are good sources to understand what types of PCIe cards are required for different applications.
• Remember that different PowerMac models have different configurations. Refer to the user manual of your machine for further details.

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