This item, 676473-B21, is the HPE option part number for the product described as 512MB B-series Dynamic Smart Array Flash Backed Write Cache with 24 inch Cable. Further details below.
Improve the write performance and data protection of your HPE ProLiant server with this 512MB Flash Backed Write Cache (FBWC). This item significantly enhances storage I/O speeds, leading to faster application performance and reduced latency. The included 24-inch cable ensures proper connectivity within your server.
This FBWC module safeguards critical data in the event of a power failure. Designed for use with B-series Dynamic Smart Array controllers in Gen8 servers, it provides an additional layer of data security and reliability. Compatible machines include, but may not be limited to, the BL420c Gen8, SL230s Gen8, SL250s Gen8, and SL270s Gen8.
HPE Option Part #: 676473-B21
COMPATIBLE WITH:
PROLIANT BL SERIES
PROLIANT SL SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR 676473-B21
| Spare PN | Description | |
|---|---|---|
 | 660092-001 | Capacitor Pack with 610mm (24 inches) long cable - Provides back up power to the Flash-Backed Write Cache (FBWC) memory module for up to 80 seconds in the event of a system power failure - For use with Smart Array Controllers |
| 678326-001 | Controller cache module - 512MB, 184-pin, DDR3 mini-DIMM 512X40 IN |
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.
