HP
HP Smart Array P420I 8Gb RAID Mezzanine Switch Module
Provides PCIe 3.0 RAID mezzanine storage control at 8 Gb for HP servers
- PCIe 3.0 interface enables 8 Gb throughput
- 8 GB RAID cache accelerates storage performance
- Mezzanine form factor fits dense server chassis
- New condition with part number 689245-001
Smart Array P420I RAID mezzanine controller
The HP Smart Array P420I is a PCIe 3.0 mezzanine storage controller designed for server integrators who need hardware RAID on a compact form factor. It provides eight gigabits per second of throughput for internal drive arrays. The module installs directly into a compatible server mezzanine slot without consuming a full-height PCIe slot.
Part number 689245-001 confirms the exact module
This controller is identified by part number 689245-001 and weighs 5.1 units. It is not suitable for builders who need a standalone PCIe add-in card or who require a different mezzanine pin-out. Verify the server service manual lists this part number before purchase.
Highlights
- PCIe 3.0 interface enables 8 Gb throughput
- 8 GB RAID cache accelerates storage performance
- Mezzanine form factor fits dense server chassis
- New condition with part number 689245-001
Specifications
| Brand | HP |
|---|
Questions about this item
What does the 8 Gb rating mean when the controller is installed in a server?
The 8 Gb figure is the per-lane signalling speed of the PCIe 3.0 link; actual throughput depends on the number of lanes allocated by the system board and the RAID level configured.
How does the PCIe 3.0 interface limit performance in practice?
PCIe 3.0 caps each lane at 8 GT/s, so total bandwidth scales with the lane count the mezzanine slot provides — typically four or eight lanes in supported HP servers.
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