657455-B21 HP 2.4GHz 12-Core AMD Opteron Processor
657455-B21 Overview
Part number 657455-B21 identifies the 657455-B21 HP 2.4GHz 12-Core AMD Opteron Processor, a server processor for compatible hardware platforms. The supplied product data records cores: 12; base clock: 2.4 GHz; L3 cache: 16 MB; L2 cache: 12 MB; socket: LGA-1944.
Confirm the destination system’s supported processor list, firmware and thermal requirements before ordering. The listed socket is LGA-1944. Quote or compatibility enquiries should reference 657455-B21. Pricing is available by quotation; include the part number and required quantity in the enquiry.
Description
657455-B21 HP 2.4GHz 12-Core AMD Opteron Processor Product Details
Part number 657455-B21 identifies the 657455-B21 HP 2.4GHz 12-Core AMD Opteron Processor, a server processor for compatible hardware platforms. The supplied product data records cores: 12; base clock: 2.4 GHz; L3 cache: 16 MB; L2 cache: 12 MB; socket: LGA-1944.
Key Specifications
| Specification | Product Data |
|---|---|
| Part Number | 657455-B21 |
| Listing Brand | HP |
| Product Type | Server Processor |
| Catalog Category | HPE CPU |
| Product | PROCESSOR |
| Processor Type | AMD OPTERON 12-CORE |
| Base Clock | 2.4 GHz |
| L2 Cache | 12 MB |
| L3 Cache | 16 MB |
| Front Side Bus | 3.2 GHz |
| Processor Socket | G34 (LGA-1944) |
| Cores | 12 cores |
| Socket | LGA-1944 |
Compatibility and Selection Guidance
Confirm the destination system’s supported processor list, firmware and thermal requirements before ordering. The listed socket is LGA-1944. Quote or compatibility enquiries should reference 657455-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 657455-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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