does this include the 15 pin SATA power cable or does it have to be purchased seperately?

The one I ordered in the last few weeks does not include the 15-pin power cable.

Is this compatible with a Lenovo ideaCentre 510A desktop motherboard?

The product is compatible with any PCI Express-enabled computer system, including PCIe 1x, 4x, 8x, and 16x slots. Since the Lenovo ideaCentre 510A desktop motherboard has PCIe slots, it should be compatible.

Questions & Answers: EnLabs PCIEU34ACS20 USB C PCIe Card,PCI-e to 7 Ports USB 3.1(5Gbps) Type-C & 4x USB-A & Internal USB 20/19Pin for Front Panel PCI Express Expansion Card, Power by 15pin SATA w/ Full-Profile Bracket

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EnLabs PCIEU34ACS20 USB C PCIe Card,PCI-e to 7 Ports USB 3.1(5Gbps) Type-C & 4x USB-A & Internal USB 20/19Pin for Front Panel PCI Express Expansion Card, Power by 15pin SATA w/ Full-Profile Bracket

PCIe to 7 Port USB 3.1 GEN 1 Add On Card
1 X USB Type-C & 4 x USB Type-A External Ports
1 x USB 3.0 20pin Internal Interface for Front Panel
Data Transfer Speed up to 5Gb/s
Dual Chipset, UASP Supports
Power by SATA
w/ Full-Profile PCI Slot Bracket

$27^.89 –