This item, 675843-B21, is the HPE option part number for the product described as 4U Redundant Power Supply Enablement Kit. Further details below.
Ensure business continuity and protect your HPE ProLiant ML310e Gen8 server from power outages with this 4U Redundant Power Supply Enablement Kit. This item allows you to install a redundant power supply in your server, providing a backup power source that automatically takes over in case of failure. Minimize downtime and safeguard your critical data with this essential redundancy solution.
This enablement kit is specifically designed for the ML310e Gen8 server, providing the necessary hardware to support a redundant power supply configuration. Compatible machines include, but may not be limited to, the ML310e Gen8. It offers a cost-effective way to enhance the reliability and availability of your server infrastructure.
HPE Option Part #: 675843-B21
COMPATIBLE WITH:
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 675843-B21
| Spare PN | Description | |
|---|---|---|
| 686744-001 | Redundant Power System (RPS) backplane module and cable assembly - Mounts on the rear of the redundant power supply cage - For 'redundant enablement option' upgraded servers only | |
 | 686665-001 | Redundant Power Supply (RPS) cage - Mounts in the left rear of the chassis - For 'redundant enablement option' upgraded servers only |
Last updated: 2/25/2026
- Trusted by thousands. Over 36,000 customers in 100+ countries trust Global One Technology to deliver mission-critical HP Enterprise hardware - including Fortune 500 businesses, schools, hospitals, and federal, state, and local goverment agencies.
- HPE is our specialty! We only sell genuine HP Enterprise parts.
- EASY ordering process. Purchase online now with credit card or PayPal!
- FAST shipping. Global One Technology ships orders received by 5pm the same day and offers NEXT DAY delivery to US customers.
This product is warrantied against hardware failure for a period of 30 Days 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.
