Intel S2600WF Series - Figure 21. 2 U, 2.5 X 8 Drive Configuration (Intel Server System Lfrb2208 Wftfxxx); Figure 22. 2 U, 3.5 X 12 Drive Configuration (Intel Server System Lfrb2312 Wftfxxx - Storage Configuration); Figure 23. System Back Panel for Intel Server System R2000 WFTF with Optional 2 X 2.5 Hot-Swap Drive Bay

Intel® Server S2600WF Product Family Configuration Guide
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Figure 18. 2U, 2.5" x 8 drive configuration (Intel® Server System LFRB2208WFTFxxx)
Figure 19. 2U, 3.5" x 12 drive configuration (Intel® Server System LFRB2312WFTFxxx – storage configuration)
Figure 20. System back panel for Intel® Server System R2000WFTF with optional 2 x 2.5” hot-swap drive bay