ThinkSystem 4-Port PCIe Gen4 NVMe Retimer Adapter, PCIe low profile, PCIe 4.0 x16, 2 x x8 SFF-8654
Lenovo 4C57A65446, PCIe, PCIe, Low-profile, PCIe 4.0, JBOD, SR645, SR665, ST650 V2, SR630 V2, SR650 V2
Lenovo 4C57A65446. Host interface: PCIe, Output interface: PCIe, Expansion card form factor: Low-profile. RAID levels: JBOD. Compatibility: SR645, SR665, ST650 V2, SR630 V2, SR650 V2