http://na.finalfantasyxiv.com/product/index.html
估計唔可以用 PSN$ 了
Payment Methods
Credit Cards or Debit Cards
We accept a variety of credit cards and debit cards that customers can register to pay for various services and subscription fees.
Square Enix Crysta
Square Enix Crysta can be added to a Square Enix account using a payment method such as a credit card, and then used for various services such as subscription fees.
* Please click here for further details about Crysta.
* Additional payment options may be introduced in the future.
剛入去研究左
香港買美版既朋友, 可以試下 Ultimatepay
https://site.ultimatepay.com/
佢甚至乎 accept Mycard / Gas 黎增值...
但詳細都係要 check 左先可以confirm