653978-B21 HP 2.3GHz Opteron 6276 16-Core Processor Upgrade
653978-B21 Overview
For buyers matching an exact CPU or system component, 653978-B21 corresponds to the 653978-B21 HP 2.3GHz Opteron 6276 16-Core Processor Upgrade. The supplied product data records cores: 16; threads: 16; base clock: 2.3 GHz; L3 cache: 16 MB.
A matching processor family alone does not confirm compatibility; platform, socket, BIOS and power limits must also agree. Quote or compatibility enquiries should reference 653978-B21. Pricing is available by quotation; include the part number and required quantity in the enquiry.
Description
653978-B21 HP 2.3GHz Opteron 6276 16-Core Processor Upgrade Product Details
For buyers matching an exact CPU or system component, 653978-B21 corresponds to the 653978-B21 HP 2.3GHz Opteron 6276 16-Core Processor Upgrade. The supplied product data records cores: 16; threads: 16; base clock: 2.3 GHz; L3 cache: 16 MB.
Key Specifications
| Specification | Product Data |
|---|---|
| Part Number | 653978-B21 |
| Listing Brand | HP |
| Product Type | Processor Upgrade |
| Catalog Category | HPE CPU |
| Cores | 16 cores |
| Threads | 16 threads |
| Base Clock | 2.3 GHz |
| L3 Cache | 16 MB |
| Manufacturing Process | 32 NM |
Compatibility and Selection Guidance
A matching processor family alone does not confirm compatibility; platform, socket, BIOS and power limits must also agree. Quote or compatibility enquiries should reference 653978-B21.
- Match the full part number with the supported hardware list for the target system.
- Verify socket, generation, firmware or BIOS support and thermal design power.
- Confirm whether the supplied item is a processor only or an upgrade kit with additional hardware.
Ordering Information
Pricing is available by quotation; include the part number and required quantity in the enquiry. Use 653978-B21 on the quotation request so the exact item can be checked.
Product images are for reference. Verify the part number, technical specifications, compatibility, supplied condition and included components before purchase.

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