Fitting - www.overclock.net/air-cooling/749977-v8-fit-into-antec-1200-a.html
LGA 1155 compatibility - www.coolermaster.com/product.php?product_id=5279
In case the links don't work, the answer to both your queries is YES. It easily fits inside the Antec 1200 and is compatible with LGA 1155 a.k.a Sandy Bridge.