There's this one for almost the same price.Today only at newegg the 1TB SN770 sells for $45.99 after Promo code: SSCT324
Going for the same price as the 1TB PCIe 3.0 SN570
Western Digital WD_BLACK SN770 M.2 2280 1TB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS100T3X0E - Newegg.com
Buy Western Digital WD_BLACK SN770 M.2 2280 1TB PCIe Gen4 16GT/s, up to 4 Lanes Internal Solid State Drive (SSD) WDS100T3X0E with fast shipping and top-rated customer service. Once you know, you Newegg!www.newegg.com
I would avoid it for use as a macOS boot drive. The SN770 is faster and has the WD controller that you want. We don't really know how compatible that Phison controller is or it's firmware.There's this one for almost the same price.
I'm starting to look at them more for data drives the way the prices have been going down while the storage is going up. Maybe in 6 months, a 4TB NVMe will be close to those prices. Of course, I'll have to get a few PCIe cards with multiple M.2 blanks on them to then have enough sockets for a macOS as well as a Windows data drive on top of the boot drives for each that I already have.I would avoid it for use as a macOS boot drive. The SN770 is faster and has the WD controller that you want. We don't really know how compatible that Phison controller is or it's firmware.