H3C UniServer R4900 G3 User Manual page 240

12LFF server
Table 19 presents the drive configurations available for the 12LFF server, their compatible types of
storage controllers and NVMe SSD expander modules, and drive numbering schemes.
Table 19 Drive configurations supported by the 12LFF server
Drive
backplane and
drive expander
module
BP-12LFF-R4900
drive backplane +
drive expander
module
Drive
Storage controller
configuration
•
12LFF
•
(12 front LFF
SAS/SATA drives)
•
•
12LFF+2SFF
(12 front LFF
SAS/SATA drives +
The rear drives must
2 rear SFF
be connected to the
SAS/SATA drives)
drive expander
module.
12LFF+4SFF
(12 front LFF
•
SAS/SATA drives +
•
4 rear SFF
SAS/SATA or NVMe
drives in 4SFF
UniBay drive cage)
14LFF
•
(12 front and 2 rear
•
LFF SAS/SATA
drives)
16LFF
•
(12 front and 4 rear
•
LFF SAS/SATA
drives)
14LFF+2SFF
•
(12 front and 2 rear
•
LFF SAS/SATA
drives + 2 rear SFF
SAS/SATA drives)
14LFF+4SFF
•
(12 front and 2 rear
•
LFF SAS/SATA
drives + 4 rear SFF
SAS/SATA drives)
16LFF+2SFF
•
(12 front and 4 rear
•
LFF SAS/SATA
drives + 2 rear SFF
SAS/SATA drives)
NVMe SSD
expander
module
Mezzanine
N/A
Standard in PCIe
slot 2
Mezzanine
Standard in PCIe
slot 2
N/A
1 × 4-port NVMe
Mezzanine
SSD expander
Standard in PCIe
module in PCIe slot
slot 2
5
Mezzanine
N/A
Standard in PCIe
slot 2
Mezzanine
N/A
Standard in PCIe
slot 8
Mezzanine
N/A
Standard in PCIe
slot 2
Mezzanine
N/A
Standard in PCIe
slot 2
Mezzanine
N/A
Standard in PCIe
slot 8
33
Drive
numbering
See Figure 23.
See Figure 24.
See Figure 25.
See Figure 26.
See Figure 27.
See Figure 28.
See Figure 29.
See Figure 30.