I found this radiator easy to install and perfect for my 970 Evo. I should note that it's next to my CPU, which has the motherboard facing the air cooler, so it gets plenty of airflow. I've had this for several months and there's no sign of the streaks getting worse.
Netac NV7000 NT01NV7000-1T0-E4X SSD, M.2, 1.0Tb, PCI-E x4, Read: 7200 Mb/s, Write: 6800 Mb/s, 3D NAND, 1400TBW, NVMe
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