495908-B21 HP Intel Xeon X5550 2.66GHz Quad Core Processor
495908-B21 Overview
Part number 495908-B21 identifies the 495908-B21 HP Intel Xeon X5550 2.66GHz Quad Core Processor, a server processor for compatible hardware platforms. The supplied product data records model: X5550; cores: 4; threads: 8; base clock: 2.66 GHz; L3 cache: 8 MB.
Compatibility should be checked against the exact server, workstation or motherboard model before purchase. The listed socket is LGA1366. Quote or compatibility enquiries should reference 495908-B21. Confirm current stock, supplied condition and lead time before placing the order. The source specification lists the condition as OEM.
778.04 AED
Description
495908-B21 HP Intel Xeon X5550 2.66GHz Quad Core Processor Product Details
Part number 495908-B21 identifies the 495908-B21 HP Intel Xeon X5550 2.66GHz Quad Core Processor, a server processor for compatible hardware platforms. The supplied product data records model: X5550; cores: 4; threads: 8; base clock: 2.66 GHz; L3 cache: 8 MB.
Key Specifications
| Specification | Product Data |
|---|---|
| Part Number | 495908-B21 |
| Listing Brand | HP |
| Product Type | Server Processor |
| Catalog Category | HPE CPU |
| Processor Type | Server |
| Series | Xeon Processor |
| Model | X5550 |
| Code Name | Nehalem EP |
| Core Stepping | B0 |
| Manufacturing Process | 45 NM |
| CPU Id String | 6A2 |
| Cores | 4 |
| Threads | 8 |
| Base Clock | 2.66 GHz |
| L3 Cache | 8 MB |
| Front Side Bus / Quickpath Interconnect | 6.40 GT/S QPI |
| Thermal Design Power | 95 Watts |
| Vid Voltage Range | 0.75V – 1.35V |
| Socket | LGA1366 |
| Condition | OEM |
Compatibility and Selection Guidance
Compatibility should be checked against the exact server, workstation or motherboard model before purchase. The listed socket is LGA1366. Quote or compatibility enquiries should reference 495908-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
Confirm current stock, supplied condition and lead time before placing the order. The source specification lists the condition as OEM. Use 495908-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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