- Apr 9, 2013
TLC NAND. Absolutely shouldn't be used. The 1TB 850 EVO has a write endurance of a whopping 0.08 drive writes per day over 5 years. It has probably the weakest NAND of any SSD on the market.Closest SSD with these specs is the Samsung 850 evo (98k/90k, 150twb, 5 year warranty).