System upgrades are available as follows:
aXis System
Processor
Memory
Storage
Video Card
Optical Drive
Warranty
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Up to AMD Athlon 64 X2 6400+
Up to 8GB (8192 MB) DDR2-667
Up to Four 1TB Hard Drive
Up to nVidia GeForce 8800 GT (1024MB)
Up to Four Optical Drive
Extendable up to 5 years