“Ultrawide” is a term for monitors that’s more about aspect ratio than size — in fact it starts at about 29-inches, which is barely above the norm. But this deal definitely earns the ultra superlative, with a 49-inch-wide panel that pushes more than seven million pixels in your face at once. The Asus ROG Strix XG49WCR is $100 off today, bringing it down to just $699.99. As a dedicated gaming monitor, the XG49WCR fits the bill, essentially working as two 27-inch 1440p curved panels shoved into one. It’s also fast enough to make even the most powerful gaming PC sweat at its maximum 5120×1440 res…