GSNTI dedicates to provide high quality and reliable computer and network products , we are a leading reseller of Cisco, HP, 3COM, D-Link network modules, HP , IBM memory, as well as other popular vendors such as finstra, Nortel networks, Extreme networks, Foundry networks D-link, Alcatel, Avaya, Brocade, Entrasysa. Main product categories are SFP GBICs, GLCs, WIC NM , VWIC network modules, cables, memor. Large real stock : We keep huge network equipment inventory in stock which are available for immediate delivery worldwide. Whenever you need whenever we can help. We offer 1 year warranty for our products, in other words, if you have a problem with our equipment we will replace your purchase with new one.