Hangisini Almalıyım ?

arkadaşlar ben 10mbit hızında internet bağlatıcam ama hangi modemi alacağıma karar veremedim.

1-modemlerin yanında yazan 150mbps, 300mbps gibi değerler neyi ifade ediyor ?
2-port sayısı neyi ifade ediyor, ne işime yarar fazla port olması ? Teşekkürler.

http://www.hepsiburada.com/liste/tp-link-td-w8151n-150mbps-5-dbi-antenli-kablosuz-n-adsl2-modem-router/productDetails.aspx?productId=bd303261&categoryId=3009801&navq=categoryid%3d3009801%26fh_view_size%3d12%26fh_sort_by%3d-order_stock_attribute_pl%252c-ranking_cocktail_bestseller%26fh_maxdisplaynrvalues_brand%3d-1%26fh_secondid%3dbd303261%26fh_lister_pos%3d0%26fh_location%3d%252f%252fcatalog01%252ftr_TR%252fbrand%253d%257btp2dlink%257d%252fcategories%253c%257bcatalog01_2147483646%257d%252fcategories%253c%257bcatalog01_2147483646_3013122%257d%252fcategories%253c%257bcatalog01_2147483646_3013122_45%257d%252fcategories%253c%257bcatalog01_2147483646_3013122_45_3009801%257d%26fh_refview%3dlister

http://www.hepsiburada.com/liste/tp-link-td-w8951nd-150mbps-5-dbi-antenli-4-port-kablosuz-modem/productDetails.aspx?productId=bd190072&categoryId=3009801&navq=categoryid%3d3009801%26fh_view_size%3d12%26fh_sort_by%3d-order_stock_attribute_pl%252c-ranking_cocktail_bestseller%26fh_maxdisplaynrvalues_brand%3d-1%26fh_secondid%3dbd190072%26fh_lister_pos%3d5%26fh_location%3d%252f%252fcatalog01%252ftr_TR%252fbrand%253d%257btp2dlink%257d%252fcategories%253c%257bcatalog01_2147483646%257d%252fcategories%253c%257bcatalog01_2147483646_3013122%257d%252fcategories%253c%257bcatalog01_2147483646_3013122_45%257d%252fcategories%253c%257bcatalog01_2147483646_3013122_45_3009801%257d%26fh_refview%3dlister