System board
No. Component No. Component
1 PCIe slot 2 (PCIe 3.0 x4) 4 M.2 SSD slot 2
2 PCIe slot 1 (PCIe 3.0 x4) 5 Memory slot 1
3 M.2 SSD slot 1 6 Memory slot 2
Drive numbering
Safety information
The following instructions help ensure personal safety and environmental safety. Read these instructions
carefully before performing any operation.
TS-855eU User Guide
Product Overview 9