GTX 950M 4GB GDDR5, 30m of stress test and it's stable. The vBios is modded and I didn't touch the voltage table. Stock frequencies were 928mhz core clock (it doesn't have boost)
JOUTNDLN FOR HP ENVY 15T-Q400 15-Q Laptop motherboard W/ I7-6700HQ and GTX 950M 829210-001 829210-501 829210-601 Test work - AliExpress
GTX 950M Laptop Gaming Test 2019 and earlier (i7-4720HQ) Part 2 - YouTube
UserBenchmark: Nvidia GTX 950 vs 950M
UserBenchmark: Nvidia GTX 950M
832848-001 832848-601 For HP Pavilion 15-ak 15T-AK000 Gaming Motherboard DAX1PDMB8E0 i7-6700H GTX 950M 4GB DDR3 100% Test - AliExpress