H3C UniServer R4900 G3 Series - Page 31

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Drive backplane
and drive
expander
module
Drive configuration Storage controller
NVMe SSD expander
module
(8 front SFF SAS/SATA
drives in drive cage bay
1 + 16 front SFF NVMe
drives in drive cage
bays 2 and 3)
slots 2 and 5
Mezzanine
2 × 8-port NVMe SSD
expander modules in PCIe
slots 2 and 5
Standard
2 × 8-port NVMe SSD
expander modules in PCIe
slots 2 and 5
24SFF
(24 front SFF NVMe
drives)
N/A
3 × 8-port NVMe SSD
expander modules in PCIe
slots 2, 5, and 7
BP-24SFF-NVMe-
R4900-G3 drive
backplane
24SFF
(24 front SFF NVMe
drives)
N/A
3 × 8-port NVMe SSD
expander modules in PCIe
slots 1, 2, and 5
NOTE:
Front 8SFF drive cage modules include front 8SFF NVMe drive cage modules and front 8SFF NVMe
drive cage modules. For more information about SAS/SATA and NVMe drive cage modules, see
"Expander modules."
Table 15 Drive population and drive numbering schemes (8SFF server)
Drive
configuration
Drive cage
bay 1
Drive cage
bay 2
Drive cage
bay 3
Drive numbering
8SFF Unused Used Unused See Figure 14.
16SFF Unused Used Used See Figure 15.
24SFF Used Used Used See Figure 16 and Figure 17.
NOTE:
For the location of the drive cage bays on the front panel of the server, see "Front panel view."
Figure 14 Drive numbering for 8SFF drive configurations (8SFF server)