Drive backplane namingDrive backplane naming
This topic explains the features represented in the drive backplane naming. This naming convention was adopted starting in the HPE Gen11
server release. Your server might not support all the features listed in this topic. For server-specific support information, see the server
guides:
Drive backplane support, see Drive bay numbering.
Drive backplane cabling, see Storage cabling.
ItemItem DescriptionDescription ValuesValues
1 Drive bay count Number of drive bays supported by the backplane.
2 Drive form factor LFF—Large Form Factor
SFF—Small Form Factor
E3.S—Enterprise and Datacenter Standard Form Factor (EDSFF)
3 Maximum link rate per lane (GT/s) 12G
16G
24G
32G
4 Port link width and interface x1 NVMe/SAS—U.3 NVMe, SAS, or SATA
x4 NVMe/SAS—U.3 NVMe, SAS, or SATA
x4 NVMe—U.2 NVMe
x4 NVMe—E3.S
5 Universal backplane manager (UBM) options UBM2—Segregated SAS/SATA
UBM3 or UBM6—Converged
UBM4 or UBM6—Segregated U.2 NVMe
UBM5 or UBM7—EDSFF
6 Drive carrier type BC—Basic carrier (SFF)
LP—Low-profile carrier (LFF)
EC1—E3.S carrier
Tri-mode controller support for x1 U.3 NVMe, SAS, and SATA drives. System board connection supports SATA drives only.
CPU direct attach or tri-mode controller support for x4 U.3 NVMe or x1 SAS and SATA drives.
CPU direct attach or tri-mode controller support for x4 U.2 NVMe drives.
HPEHPE Basic Drive LED definitions Basic Drive LED definitions
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