This item, 698531-B21, is the HPE option part number for the product described as Smart Array P431/2GB FBWC 12Gb 2-ports Ext SAS Controller. Further details below.
Improve your server's storage capabilities with this HP Smart Array P431 controller, delivering reliable performance and enhanced data protection. Featuring 2GB of Flash Backed Write Cache (FBWC) and supporting 12Gb/s SAS, this controller ensures efficient data transfer and robust RAID functionality. It supports RAID levels 0, 1, 5, 6, 10, 50, 60, RAID 1 ADM, and RAID 10 ADM, providing a wide array of options for data redundancy.
This low-profile PCIe 3.0 x8 card is equipped with two external SAS ports for connecting to external storage devices. Upgrade your server's storage infrastructure with this dependable and versatile controller. Compatible server models include but may not be limited to the DL380p Gen8, DL360p Gen8, DL380e Gen8, ML350p Gen8, DL580 Gen8, DL360e Gen8, and DL320e Gen8 v2.
HPE Option Part #: 698531-B21
PRODUCT SPECIFICATIONS FOR 698531-B21:
- Device Type: Storage controller (RAID) - plug-in card - low profile
- Host Bus: PCIe 3.0 x8
- Interface: SATA 6Gb/s / SAS 12Gb/s
- Data Transfer Rate: 12 Gbit/s
- Buffer Size: 2 GB
- Supported Devices: Disk array (RAID)
- Channel Qty: 8
- RAID Level: RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50, RAID 60, RAID 1 ADM, RAID 10 ADM
- Interfaces: 2 x SATA 6Gb/s / SAS 12Gb/s (internal)
- Compliant Standards: WEEE
- OS Required: SuSE Linux Enterprise Server 11, Microsoft Windows Server 2008 R2, Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, Microsoft Windows Server 2012, VMware ESXi 5.0 update 2, VMware ESXi 5.1 update 1, VMware vSphere 5.5
- Width: 2.3 in
- Depth: 9.5 in
- Height: 7.5 in
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 698531-B21
| Spare PN | Description | |
|---|---|---|
 | 660093-001 | Capacitor pack with 914mm (36 in) cable. For use with 512MB/1GB/2GB cache module - Provides back up power to the flash-based write cache (FBWC) memory module for up to 80 seconds in the event of a system power failure. For use with Smart Array controllers |
| 671353-001 | Miscellaneous cable kit - Includes the front video adapter cable, embedded SATA cable, Capacitor Pack with 36-inch cable (provides back up power to the FBWC memory module), and mini-SAS cable with straight connector to left connector (33-inches long) |
| 698540-B21 | HP Z Smart Array P431 Controller | |
| 729636-001 | Smart Array P431 controller board - PCIe3 x8 low profile SAS controller - Has two external x4 wide mini-SAS ports - For up to 6Gb/sec transfer rate for SAS - Does not include memory or backup power |
| 633543-001 | 2GB flash backed write cache (FBWC) memory module, 72-bit wide - Part does not include the controller board or capacitor module - For use with the P420, P421, P430, P431, 822, and 830 Smart Array controllers |
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
To initiate a return or warranty claim, please complete and submit the RMA Request Form.
