This item, 631922-B21, is the HPE option part number for the product described as 512MB B-series 36in Dynamic Smart Array Flash Backed Write Cache for ML/DL. Further details below.
HPE Option Part #: 631922-B21
HPE Spare Part #: n/a
HPE Assembly Part #: n/a
- Product Type: Flash Backed Write Cache
- Memory Size: 512 MB
- Application / Usage: Server
- Weight: 1.5 pounds
- Product Dimensions: 6.2 x 4.2 x 2.2 inches
- Compatibility: HP ProLiant Gen8 Servers: DL160, DL360e, DL380e, ML350e, SL230, SL250s, SL230s
- Data Backup Type: Flash
✅ and possibly others
Contact us via if you have any questions about compatibility.
Last updated: 9/23/2021
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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