This item, 726897-B21, is the HPE option part number for the product described as Smart Array P840/4GB FBWC 12Gb 2-ports Int SAS Controller. Further details below.
HPE Option Part #: 726897-B21
HPE Spare Part #: 761880-001
HPE Assembly Part #: n/a
- Ports: Internal: 16 SAS/SATA physical links across 2 x8 port
- 12Gb/s SAS (1200 MB/s theoretical bandwidth per physical lane)
- 6Gb/s SATA (600 MB/s theoretical bandwidth per physical lane)
- PCI Express Gen3 x8 link width
- 4 GiBytes 72-bit wide DDR3-1866 Flash Back Write Cache provides up to 14.9GB/s maximum
- cache bandwidth
- Read ahead caching
- Write-back caching
- Storage interface (SAS/SATA)
- - 16 physical links across 2 x8 internal ports
- - 12Gb/s SAS, 6Gb/s SATA technology
- - Mix-and-match SAS and SATA drives to the same controller
- - Support for SAS tape drives, SAS tape autoloaders and SAS tape libraries
- 4 GiBytes Flash-Backed Write Cache (FBWC)
- PCI Express Gen3 x8 link
- RAID 0, 1, 10, 5, 50, 6, 60, 10 ADM (Advanced Data Mirroring)
- RAID or HBA mode
- Legacy and UEFI boot operation
- Up to 200 physical drives
- Up to 64 logical drives
- HPE SmartCache (license included)
- HPE Secure Encryption (optional license)
- HPE SSD Smart Path
- VMware Virtual SAN certified
- Rapid Parity Initialization (RPI)
- Rapid rebuild
- Drive Erase
- Performance Optimization-Degraded Reads and Read Coalescing
- Power Efficiency
- Seamless upgrades to and from other HPE Smart Array controllers
- Recovery ROM to protect against controller ROM corruption
- Full-height, half-length standard PCI Express plug-in card
- - Dimension (excluding bracket): 6.6 in x 4.4 in x 0.6 in (16.8 cm x 11.1 cm x 1.5 cm)
✅ and possibly others
Contact us via if you have any questions about compatibility.
Quickspecs for 726897-B21
Last updated: 4/14/2023
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This product is warrantied against hardware failure for a period of 1 Year from the date of purchase.
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.
If you have a defective part and the machine to which it was installed is still in the HPE warranty period, please execute the warranty exchange by visiting the link below. (Please have the serial numbers of the defective drive and your server/storage array handy)
HPE Enterprise Support Center
In the event of hardware becoming defective during the Global One warranty period, but the HPE warranty has expired, the product can be returned to us for a working replacement. Customers are responsible for the shipment of returned merchandise, Global One will bear the expense for Ground/Economy shipment of the replacement item(s).
* Factory sealed equipment can only be returned unopened.
To request an RMA, please complete and submit the form found here:
RMA Request Form