Anandtech posted a review on the LaCie Portable SSD and WD My Passport SSD Capsule
A quote from the article:
The emergence of 3D TLC flash has enabled a new class of budget-friendly bus-powered external SSDs. Flash memory has also seen a recent drop in prices, and this has made high-capacity drives affordable. These aspects have allowed vendors to introduce 2TB external SSDs at price points suitable for the mainstream market. Today, we take a comprehensive at two such drives - the LaCie Portable SSD, and the Western Digital My Passport SSD.LaCie Portable SSD and WD My Passport SSD Capsule Review