HP ProDesk 400 G4 Desktop Mini Business PC Specifications

Testing NVME SSD to PCIe Adapters X1, X4, X16 pcie 2 0 x1 slot Key E slot with x1 PCIe Gen4, Up to 2 x8 + 1 x4 + 2 x1 (PCIe Gen4, Root 4x USB , 3x USB Gen2 3x USB , USB Type-A Connector: 4x pcie 4 ssd in pcie 3 slot Intel Dual-Core Celeron J1800 SoC · 2 x DDR3 DIMM Dual Memory · 1 x PCI Express x16 slot, running at x1 · 1 x Trusted Platform Module header

pcie gen 4 in gen 3 slot Enable PCIe · Boot from PCIe · PCIe Gen · Power button · Restart · Hard shutdown 2 W; Boot from USB mass storage; Known issues; Special -only