QNAP TS-h1886XU-RP - Drive Numbering

No. Component No. Component
1 Memory slot 1 5 PCIe slot 4 (PCIe 3.0 x8)
Note
A 10GbE SFP+ SmartNIC card is
pre-installed in this PCIe slot.
2 Memory slot 2 6 PCIe slot 3 (PCIe 3.0 x4)
3 Memory slot 3 7 PCIe slot 2 (PCIe 3.0 x8)
4 Memory slot 4 8 PCIe slot 1 (PCIe 3.0 x4)
Drive Numbering
Front panel 3.5-inch drive bays
Rear panel 2.5-inch drive bays
TS-h1886XU-RP User Guide
Product Overview 10