H3C UniServer R4900 G6 Ultra - Front 12 LFF SAS;SATA Drive Backplane; Front 12 LFF 8 Sas;Sata+4 Unibay Drive Backplane

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Front 12LFF SAS/SATA drive backplane
The PCA-BP-12LFF-2U-G6 12LFF SAS/SATA drive backplane can be installed at the server front to
support twelve 3.5-inch SAS/SATA drives.
Figure 29 12LFF SAS/SATA drive backplane
(1) x4 SlimSAS connector (SAS PORT 2), managing the last four SAS/SATA drives on the backplane
(2) Power connector 2 (PWR 2)
(3) AUX connector (AUX)
(4) Power connector 1 (PWR 1)
(5) x8 SlimSAS connector (SAS PORT 1), managing the first eight SAS/SATA drives on the backplane
Front 12LFF 8SAS/SATA+4UniBay drive backplane
The PCA-BP-12LFF-4NVMe-2U-G6 12LFF drive backplane can be installed at the server front to
support twelve 3.5-inch SAS/SATA/NVMe drives, including eight SAS/SATA drives and four
SAS/SATA/NVMe drives.
Figure 30 12LFF 8SAS/SATA+4UniBay drive backplane
(1) MCIO connector A3 (PCIe5.0 x4)(NVMe-A3), supporting NVMe drive 9
(2) x4 SlimSAS connector (SAS PORT 2), managing the last four SAS/SATA drives on the backplane
(3) Power connector 2 (PWR 2)
(4) AUX connector 1(AUX 1)
(5) Power connector 1 (PWR 1)
(6) x8 SlimSAS connector (SAS PORT 1), managing the first eight SAS/SATA drives on the backplane
(7) MCIO connector A4 (PCIe5.0 x4)(NVMe-A4), supporting NVMe drive 8
(8) MCIO connector A1/A2 (PCIe5.0 x8)(NVMe-A1/A2), supporting NVMe drives 10 and 11
For more information about drive numbering, see "Drive numbering."
PCIe5.0 x8 description: