Fujitsu PRIMERGY TX2550 M4 Operating Manual page 52

Hardware installation
2.5-inch HDD/SSD model
Figure 3: Server front 2.5-inch HDD/SSD model - example TX2550 M4 (rack model)
Pos. Component
1 2.5-inch HDDs / SSDs / dummy modules
2 ODD / 5.25-inch dummy module
3 ID card
4 8x 2.5-inch HDD extension box / 8x 2.5-inch PCIe SSD extension box
5 Front panel module
52 Operating Manual
TX2550 M4