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The SideTrak Swivel Triple HD is a 12.5-inch portable monitor that attaches to the back of a laptop lid and swings out on a hinge, giving you a second screen without a desk. This triple version adds a second panel so you can run two extra displays from one mount. It connects over USB and HDMI and supports touch input. It suits frequent travelers and field workers who need more screen space than a laptop offers, but the small 12.5-inch panels and hinge-mounted design are a compromise next to a full-size external monitor.
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Lowest price we've seen: $329.99 on Nov 11 at US Auto Supply. Tracked across 2 stores since Nov 11.
Owners of the SideTrak line generally like the attach-and-swivel concept for travel and tight spaces, but many find the small panels and lid-mounted weight a trade-off. Reception of the triple version is thinner, with buyers weighing the extra screen against the added bulk.
