Mercury Helios 3S is a PCIe enclosure from OWC (macsales.com) that connects to a host computer via Thunderbolt 3 and accomodates a half-length, full-height, single or double-width PCIe 3.0 card at x4 bandwidth (“with x16 physical slot”). Features include dual Thunderbolt 3 ports, with 85W power delivery, plus DisplayPort 1.4, and an external power supply. … Continue reading "Mercury Helios 3S"