This item, 655636-B21, is the HPE option part number for the product described as Smart Array P721m/512 4-ports Ext Mezzanine SAS Controller. Further details below.
This Smart Array SAS controller provides advanced storage management and connectivity for select HPE ProLiant blade servers. This item offers four external ports for connecting to external storage enclosures, expanding storage capacity and enhancing data availability. The 512MB cache accelerates I/O operations for improved application performance.
While detailed specifications are unavailable, this controller supports SAS connectivity, delivering high-speed Data Transfer Rates. Compatible HPE ProLiant servers include but are not limited to the BL420c Gen8, BL465c Gen8, and BL660c Gen8. This controller is a solid choice for businesses that need to enhance the storage capabilities of their blade server infrastructure.
HPE Option Part #: 655636-B21
COMPATIBLE WITH:
PROLIANT BL SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
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.
