This item, P9D91A, is the HPE option part number for the product described as StoreFabric 84Q 4-port 8Gb Fibre Channel Host Bus Adapter. Further details below.
Designed for high-density SAN environments, this 4-port 8Gb Fibre Channel Host Bus Adapter delivers dependable connectivity and strong performance for storage-intensive applications. Featuring a low-profile PCIe 2.0 interface with support for x4 and x8 slots, this adapter offers up to 8.5 Gbps Data Transfer Rates per port and supports auto-negotiation for simplified deployment. Its four LC multimode fiber optic interfaces make it ideal for connecting to Fibre Channel switches and storage arrays in virtualized or high-availability environments.
This wired adapter includes dual 8Gb SFP+ transceivers and a low-profile bracket, making it ready for installation in compact server configurations. Compatibility includes but is not limited to HPE ProLiant DL360 Gen9, DL380 Gen9, and ML350 Gen9 servers, making it a solid choice for enterprises looking to scale storage connectivity across multiple applications and operating systems.
HPE Option Part #: P9D91A
PRODUCT SPECIFICATIONS FOR P9D91A:
- Device Type: Host bus adapter
- Form Factor: Plug-in card - low profile
- Interface (Bus) Type: PCI Express 2.0 x4 / PCI Express x8
- Ports: 8Gb Fibre Channel x 4
- Connectivity Technology: Wired
- Cabling Type: Fiber optic
- Data Link Protocol: 8Gb Fibre Channel (Short Wave)
- Data Transfer Rate: 8.5 Gbps
- Features: Auto-negotiation
- Interfaces: 4 x 8Gb Fibre Channel (short wave) - LC multi-mode - x 2
- Included Accessories: Low-profile bracket, 2 x 8 Gb SFP+
- OS Required: Microsoft Windows Server 2008 R2, SuSE Linux Enterprise Server 10, Microsoft Windows Server 2003 R2, Microsoft Windows Server 2008 (32/64-bits), Microsoft Windows Server 2003 (32/64-bits), Oracle Solaris, Microsoft Windows Server 2012, SuSE Linux Enterprise Server 10 x64 Edition, SUSE Linux Enterprise Server 11 (32/64 bits), Red Hat Enterprise Linux 5 (32/64 bits)
- Depth: 6.5 in
- Height: 1.7 in
- Min Operating Temperature: 32 °F
- Max Operating Temperature: 122 °F
- Humidity Range Operating: 5 - 93% (non-condensing)
COMPATIBLE WITH:
PROLIANT DL SERIES
PROLIANT ML SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR P9D91A
| Spare PN | Description | |
|---|---|---|
 | 489191-001 | PCIe 2-port, 8GB, Fibre Channel (FC) 82Q (QLogic) host bus adapter (HBA) board - Has two fully independent 2/4/8 Gb auto-negotiation short wave laser LC ports - Requires one low profile (or full height) x8 PCIe slot |
| 853009-001 | PCIe 4-port, 8GB, Fibre Channel (FC) 84Q (QLogic) host bus adapter (HBA) board - Has four fully independent 2/4/8 Gb auto-negotiation short wave laser LC ports - Requires one low profile (or full height) x8 PCIe slot |
Last updated: 5/2/2025
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This product is warrantied against hardware failure for a period of 1 Year from the date of purchase. Before making a purchase, please take a moment to review our return policy below.
Returns
It is the customer's responsibility to verify compatibility with their machine(s) before placing an order. If an item is ordered by mistake, it can be returned for refund, minus a 25% restocking fee, within 5 business days of receipt. The cost of freight is not refundable.
Please be aware that factory-sealed equipment can only be returned if it remains unopened.
Defective Products
If you have received a defective part and your machine is still within the HPE warranty period, please initiate a warranty exchange by visiting the HPE Enterprise Support Center. Be sure to have the serial numbers of the defective drive and your server/storage array handy.
In case your hardware becomes defective during the Global One warranty period, but the HPE warranty has expired, you can return the product to us for a working replacement. You are responsible for the shipment of returned merchandise. However, we will cover the expense of Ground /Economy shipment for the replacement item(s).
Requesting an RMA
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