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HPE

HPE P55083-B21 | 8SFF tri-mode backplane | U.3 | PCIe x4 per bay | SAS/SATA/NVMe | DL385 Gen11

SKU:P55083-B21

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Description

8-bay SFF tri‑mode U.3 backplane for DL385 Gen11 with PCIe x4 per-bay links to deliver maximum NVMe performance while retaining SAS/SATA compatibility. For the designated 8SFF drive cage; requires compatible Gen11 tri‑mode RAID/HBA controllers and matching MCIO cabling.

Features

- High‑performance PCIe x4 per-bay NVMe connectivity
- Tri‑mode support for SAS, SATA, and NVMe devices
- U.3 connector standard for broad drive interoperability
- Hot‑plug and LED status indicators
- Optimized for DL385 Gen11 mechanical and thermal design

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: When should I choose the x4 variant over x1?
A: Select x4 per-bay lanes when you need maximum NVMe drive throughput and low latency for performance-intensive workloads.

Q: Does a U.3 backplane support legacy SAS/SATA SSDs/HDDs?
A: Yes. U.3 tri‑mode backplanes support SAS and SATA devices in addition to NVMe when used with the appropriate controller.

Q: Do I need special cables for x4 NVMe?
A: Yes. Use MCIO/tri‑mode cables that match your controller and the x4 lane topology defined in the server configuration guide.

Q: Can this be installed in non‑DL385 Gen11 systems?
A: It is validated for DL385 Gen11. Use the correct, model‑specific backplane kits for other ProLiant servers.

Q: Is hot‑plug supported for NVMe drives?
A: Yes, when used with supported controllers and firmware per the server QuickSpecs.

Technical Specifications

- Form factor: 8x SFF (2.5 in) bays
- Backplane type: Tri-Mode (SAS/SATA/NVMe)
- Drive connector standard: U.3 (SFF-8639)
- PCIe link per bay (NVMe): x4
- Supported drive protocols: SAS, SATA, NVMe
- Hot-plug drive support: Yes
- Intended system: ProLiant DL385 Gen11
- Installation location: 8SFF drive cage (per system configuration)
- Controller requirement: Tri‑mode capable Gen11 HBA/RAID for NVMe; SAS/SATA HBA/RAID for SAS/SATA
- Cabling interface: MCIO (controller-to-backplane), matched to controller and lane width

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