8 port giga switch 保養一問

想問下
NETGEAR GS108T v2 8port GIGA Switch      
Cisco SG200-08 (SLM2008T) GIGA Switch     
HP ProCurve 1810-8G (J9449A) GIGA Switch

呢三隻邊間個代理可以做到一換一
或者即日拎番呢??
同埋佢地都話做lifetime warranty , 係咪hardware全包呢??
thx

講保養, HP啦, 唔使諗

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