Newegg offers the ZyXEL 24-Port Managed Smart Gigabit Switch (pictured), model no. GS1910-24, for $199.99. Coupon code "ZXSWTHMAY14" cuts it to $139.99. With free shipping, that's the lowest total price we could find by $40, although we saw a 2-pack deal with a per unit price of $115 in February. It features IEEE 802.3az energy efficient Ethernet and supports IPv6 migration for future expansions.

Also available is the ZyXEL GS1910-24HP 24-Port Managed Smart Gigabit PoE+ Switch, model no. GS1910-24HP, for $469.99 before the above coupon, $328.99 after. With free shipping, that's the lowest total price we could find by $136, although we saw a 2-pack deal with a per unit price of $250 in February. Coupon expires May 12.