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HPE

HPE P55087-B21 | DL385 Gen11 8SFF U.3 Tri‑Mode Mid‑Tray Backplane | x4 lanes per bay | NVMe/SAS/SATA | hot‑plug

SKU:P55087-B21

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Description

Unlock full NVMe performance in DL385 Gen11 with an 8-bay U.3 Tri‑Mode mid‑tray backplane wired x4 per bay. Enables NVMe (PCIe), SAS, or SATA drives with hot‑plug serviceability when used with a compatible Tri‑Mode controller and cabling. Ideal for latency‑sensitive and high‑throughput workloads requiring Gen4 x4 bandwidth per bay.

Features

- Full x4 PCIe lane allocation per U.3 bay
- Tri‑Mode support across NVMe, SAS, and SATA media
- Hot‑plug serviceability for uptime
- Optimized for performance‑tier storage on DL385 Gen11
- Scalable 8-bay mid‑tray layout
- Controller‑agnostic within Tri‑Mode/U.3 compatibility

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: How does the x4 version differ from the x1 version?
A: This variant wires each U.3 bay with four PCIe lanes, enabling up to Gen4 x4 performance per NVMe drive. The x1 version provides a single PCIe lane per bay.

Q: Can I populate with SAS or SATA drives?
A: Yes. Tri‑Mode supports NVMe/SAS/SATA; ensure the controller and cabling match your intended protocols.

Q: Is mixed NVMe and SAS supported simultaneously?
A: It can be, depending on controller port mapping and firmware. Consult configuration guidance for supported mixtures.

Q: Do I need special cables?
A: Yes. Use the correct Tri‑Mode/U.3 cabling set validated for DL385 Gen11 and your controller.

Q: Does this kit include drive carriers?
A: Drive carriers are typically included with the server or drives and are not part of this backplane kit unless specified.

Technical Specifications

- Form factor: 8 x SFF (2.5 in) bays
- Backplane type: U.3 Tri‑Mode (NVMe/SAS/SATA)
- PCIe lane wiring: x4 per bay (NVMe up to Gen4 x4, controller dependent)
- SAS speed: up to 12 Gb/s (per path; controller dependent)
- SATA speed: up to 6 Gb/s
- Location: Mid‑tray backplane assembly
- Hot‑plug drive support: Yes (with compatible controller/firmware)
- Compatibility: ProLiant DL385 Gen11 chassis
- Controller requirement: Tri‑Mode/U.3 capable controller and appropriate cabling
- Use case: Maximum NVMe bandwidth per bay for performance tiers

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