Title: QoS switch wonderful for VOIP, new HW revision even better!
Product review: I brought this switch for one star office six month ago. The QoS feature made the VOIP call so good (work with D-Link VPN router that can set the QoS). So I decided to buy another one from Amazon. This one is even better with improved hardware!I noticed some customers reported the life span only about a year or so from some past reviews. So when I brought last one six months ago, I opened it up, and glued on a heatsink to the switch IC, that significantly reduced the switch IC temperature.This one I just brought from Amazon, I opened it try to add heatsink. To my pleasant supurise, this revision hardware already have heatsink on the switch IC!Immediately VOIP sound quality improvement with this switch. Even when we were doing ISP speed test, the VOIP phone call not affected at all. Amazing!
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