Legit Reviews reviewed the HP Portable SSD P600
A quote from the article:
If you are looking for a portable drive that will quickly transfer large files between different devices a portable SSD (Solid-State Drive) is what you need here in 2018. SSDs are a must have inside your PC since they are faster and more reliable than traditional spinning hard drives. SSD prices have come down so much in recent years that portable SSDs have been able to compete with lower cost USB Flash drives and external hard drives. HP is the latest company to offer a portable SSD series and in June 2018 they introduced the Portable SSD P600 series. The HP Portable SSD P600 series is available in 250GB, 500GB and 1TB capacities for $99.99, $159.99 and $299.99, respectively. All three capacities are backed by a 3-year warranty.HP Portable SSD P600 Review
Thanks to the drives USB 3.1 Gen 2 interface, the P600 series is capable of reaching transfer speeds up to 560 MB/s read and 500 MB/s write! Those are wicked fast speeds for a portable drive and is something that can only be reached on a newer system that has a USB 3.1 Gen 2 interface with USAP (USB Attached SCSI) mode enabled. HP did not disclose what controller they are using on this portable drive, but they did point out that they are using the latest 64-layer 3D TLC NAND Flash memory on the P600.