28 Operating Manual TX300 S7 / RX350 S7
Functional overview
Slots
Drive bays
PCI-Express 3.0 x4 
(mech. x8)
2 x full height 
PCI-Express 3.0 x8  4 x full height (hereof 1 is reserved for Modular RAID 
controller)
PCI-Express 3.0 x8 
(mech. x16)
1 x full height
PCI-Express 3.0 x16  2 x full height (2nd processor required)
PCI-Express 2.0 x4 
(mech. x8)
2 x full height 
Slot notes One PCIe Gen3 x8 slot may be occupied with a 
Modular LAN controller if configured.
One PCIe Gen3 x8 slot may be occupied with a 
Modular RAID controller if configured.
Important: 5 PCIe slots (slot 1 - 4 and 10) are 
supported with the first processor. The other 5 PCIe 
slots are supported with the second processor.
Hard disk bay 
configuration 
8x 3,5-inch hot-plug SAS / SATA or 16x 2,5-inch hot-
plug SAS/SATA/SSD optional
Accessible drive bays  3 x 5.25/1.6-inch (HDD: 8x 2.5-inch hot-plug 
SAS/SATA and LTO drive)