This item, 878129-B21, is the HPE option part number for the product described as DL580 Gen10 Intel Xeon-Gold 6126 (2.6GHz/12-core/125W) Processor - Complete Kit. Further details below.
Improve the performance of your HPE ProLiant DL580 Gen10 server with this complete Intel Xeon Gold 6126 processor kit. This 12-core processor, with 24 threads and a 19.25 MB L3 cache, is designed for demanding workloads and efficient multitasking. It features a base clock speed of 2.6 GHz, and can increase up to 3.7 GHz with Intel Turbo Boost Technology 2.0.
Built for the LGA3647 socket, this 125W processor will provide a considerable performance increase to your compatible HPE server. Hyper-Threading Technology allows for increased efficiency and improved response times. Compatible server models includes but may not be limited to the HPE ProLiant DL580 Gen10.
HPE Option Part #: 878129-B21
PRODUCT SPECIFICATIONS FOR 878129-B21:
- Product Type: Processor
- Type / Form Factor: Intel Xeon Gold 6126
- Number of Cores: 12-core
- Number of Threads: 24 threads
- Cache: 19.25 MB
- Cache Memory Details: L3 - 19.25 MB
- Processor Qty: 1
- Clock Speed: 2.6 GHz
- Max Turbo Speed: 3.7 GHz
- Compatible Processor Socket: LGA3647 Socket
- Manufacturing Process: 14 nm
- Thermal Design Power: 125 W
- Architecture Features: Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology
COMPATIBLE WITH:
PROLIANT DL SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR 878129-B21
| Spare PN | Description | |
|---|---|---|
 | 872452-001 | Standard 1U Heat sink |
| 875720-001 | Intel Xeon Gold 6126 Twelve-Core 64-bit processor - 2.60GHz (Skylake) 19.25MB Level-3 cache, 125 watt Thermal Design Power (TDP), socket FCLGA3647 |
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.
