CI320 하나 구입하려고 하는데요, 잘못샀다간 고생할듯  싶어서... 아래 하드와 램이 호환이 되는건지 문의드립니다.

그리고 혹시 더 좋은 구성있으면 알려주심 감사하겠습니다. 
 
피씨  
ZOTAC ZBOX nano CI320 베어본 http://m.danawa.com/product/product.html?code=2781688

하드 
Seagate 500GB Momentus 7200.4 ST9500423AS (SATA2/7200/16M/노트북용)
http://m.danawa.com/product/product.html?code=1730305 

램 
삼성전자 노트북 DDR3 4G PC3-12800 1.35V 정품 http://m.danawa.com/product/product.html?code=2568994