641916-B21 HP Xeon E3-1280 3.50GHz Quad-Core Processor
641916-B21 Overview
This listing covers the 641916-B21 HP Xeon E3-1280 3.50GHz Quad-Core Processor with ordering reference 641916-B21. The supplied product data records model: E3-1280; cores: 4; threads: 8; base clock: 3.50 GHz; L3 cache: 8 MB.
Confirm the destination system’s supported processor list, firmware and thermal requirements before ordering. The listed socket is LGA1155. Quote or compatibility enquiries should reference 641916-B21. Pricing is available by quotation; include the part number and required quantity in the enquiry.
Description
641916-B21 HP Xeon E3-1280 3.50GHz Quad-Core Processor Product Details
This listing covers the 641916-B21 HP Xeon E3-1280 3.50GHz Quad-Core Processor with ordering reference 641916-B21. The supplied product data records model: E3-1280; cores: 4; threads: 8; base clock: 3.50 GHz; L3 cache: 8 MB.
Key Specifications
| Specification | Product Data |
|---|---|
| Part Number | 641916-B21 |
| Listing Brand | HP |
| Product Type | Server Processor |
| Catalog Category | HPE CPU |
| Processor Type | Server |
| Processor Family | E3-1200 |
| Series | Xeon Processor |
| Model | E3-1280 |
| Code Name | Sandy Bridge |
| Core Stepping | D2 |
| Manufacturing Process | 32 NM |
| CPU Id String | 206A7h |
| Cores | 4 |
| Threads | 8 |
| Base Clock | 3.50 GHz |
| L3 Cache | 8 MB |
| Front Side Bus / Quickpath Interconnect | 5.00 GT/S |
| Thermal Design Power | 95 Watts |
| Socket | LGA1155 |
Compatibility and Selection Guidance
Confirm the destination system’s supported processor list, firmware and thermal requirements before ordering. The listed socket is LGA1155. Quote or compatibility enquiries should reference 641916-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 641916-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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