Meanwhile, the T705 and T700 are equipped with Phison's high-performance ... The vendor now sells a heatsink version of the P310, specifically the 2280 variant, not the shorter 2230 version.
The Crucial T700, which did use its own integrated heatsink, landed at 87°C. The MP700 Elite? 55°C. Ambient room temperature at the time of those tests was 24°C across all three SSDs.