https://lenovopress.lenovo.com/lp0627-lenovo-px04pmc-nvme-mainstream-flash-adapters
Lenovo PX04PMC NVMe Mainstream Flash Adapters Product Guide (withdrawn product) Lenovo Press
The Lenovo PX04PMC NVMe Enterprise Mainstream Flash Adapters in capacities of 1.92 TB and 3.84 TB are advanced data center PCIe Flash Storage Adapters...
flash adaptersproduct guidelenovonvmemainstream
https://serverproven.lenovo.com/option/7N47A00098/
ThinkSystem HHHL PX04PMC 3.84TB Mainstream NVMe PCIe 3.0 x4 Flash Adapter | ServerProven
ThinkSystem HHHL PX04PMC 3.84TB Mainstream NVMe PCIe 3.0 x4 Flash Adapter - 7N47A00098