Front 25Sff 17Sas/Sata+8Unibay Drive Backplane - H3C UniServer R4900 G6 Ultra Manual

Figure 32 12LFF UniBay drive backplane
(1) MCIO connector A3 (PCIe5.0 x4)(NVMe-A3)
(2) x4 SlimSAS connector (SAS PORT 2), managing the last four SAS/SATA drives on the backplane
(3) MCIO connector B1/B2 (PCIe5.0 x8)(NVMe-B1/B2)
(5) AUX connector 1 (AUX 1)
(7) Power connector 1 (PWR 1)
(8) x8 SlimSAS connector (SAS PORT 1), managing the first eight SAS/SATA drives on the backplane
(9) MCIO connector C3/C4 (PCIe5.0 x8)(NVMe-C3/C4)
(10) MCIO connector C2 (PCIe5.0 x4)( NVMe-C2)
(11) MCIO connector B3/B4 (PCIe5.0 x8)(NVMe-B3/B4)
(12) MCIO connector A4 (PCIe5.0 x4)(NVMe-A4)
(13) MCIO connector A1/A2 (PCIe4.0 x8)(NVMe-A1/A2)
PCIe5.0 x8 description:
PCIe5.0: Fifth-generation signal speed.
•
x8: Bus bandwidth.
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Front 25SFF 17SAS/SATA+8UniBay drive backplane

The PCA-BP-25SFF-2U-G6 25SFF drive backplane can be installed at the server front to support
twenty-five 2.5-inch SAS/SATA/NVMe drives, including 17 SAS/SATA drives and 8 SAS/SATA/NVMe
drives. The drive backplane can use an x8 SlimSAS connector to manage 25 SAS/SATA drives. The
drive backplane also integrates an Expander chip and three downlink interfaces to connect to other
drive backplanes and support more drives.
(4) Power connector 2 (PWR 2)
(6) MCIO connector C1 (PCIe5.0 x4)(NVMe-C1)
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