Graviton 7HYY4 PCI-E 2*M.2 Boss Controller Adapter Card

PCI-E Adapter for Two M.2 Drives

This Graviton adapter card fits a standard PCI Express slot and provides two M.2 connectors for adding solid-state storage. It is aimed at system builders who want to expand internal capacity on a desktop or workstation board that lacks enough native M.2 sockets. The card uses a 7HYY4 controller to manage the attached drives.

Suited for Dual-Drive Expansion.

Builders who need two additional M.2 devices on a single expansion slot will find this card fits the requirement. It does not suit users who require hardware RAID across the two drives for a bootable array, nor those who need more than two M.2 positions from one card. The pulled-and-tested condition also means it is not a sealed retail unit.

7HYY4 Controller Drives Two M.2 Connectors

The onboard 7HYY4 controller is the component that enables both M.2 sockets to operate simultaneously from one PCI Express link. If the host platform cannot initialise this controller, neither drive will be detected. Verifying that the motherboard firmware supports the 7HYY4 is the single step that decides whether the card will work in a given system.