1TB NVMe SSDs are some of the cheapest devices on the market, and Amazon is offering several models for under $100 during Black Friday. The BIWIN Black Opal NV7400 is on sale for $70 when you click the coupon on its page, while the Acer Predator GM7 and Crucial P310 2280 are just $80 each. All three SSDs provide comparable read/write speeds.