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                    HP-771S 
                Specifications: 
  Use for most AMD & Intel boards 
  Weight : 140g 
  Inculded 60mm fans 
  Light aluminum material 
  1U heat pipe with direct chipset contact 
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                    NB-400AL 
                Specifications: 
  Use for most AMD & Intel boards 
  Weight : 500g 
  Inculded 40mm fans 
  Light aluminum material 
  1U heat pipe with direct chipset contact 
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