winfast a280-td ge-force 4-4800ti agp8x

anyone know if the winfast a280-td (my vivo) geforce 4 4800ti
is 1.5v or 3.5v
because i have discovered in the literature for my new asrock k7s8x motherboard that a agp card of 3.5v will damage it
ive just bought both items as an upgrade.
 
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