Apple Mac Upgrades - RAM, SSD Flash, External Drives and More
Upgrade the RAM and storage of nearly any Apple computer at MacSales.com. We also provide refurbished Macs, external storage, docks, accessories, and more!
eshop.macsales.com
4tb: $349 or 365
2tb: $209 or 225
1tb; $100 or 130
PCI 3, read optimized
These look to be the 0.8DWPD model, not the 2 DWPD model.
I also can't tell why they have 2 listings for drives at slightly different prices with no obvious differentiation except that the more expensive one is marked as for mac.