507793-B21 HP Xeon X5550 2.66GHz Quad Core Processor
507793-B21 Overview
Part number 507793-B21 identifies the 507793-B21 HP 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.
Confirm the destination system’s supported processor list, firmware and thermal requirements before ordering. The listed socket is LGA1366. Quote or compatibility enquiries should reference 507793-B21. Confirm current stock, supplied condition and lead time before placing the order. The source specification lists the condition as OEM.
565.18 AED
Description
507793-B21 HP Xeon X5550 2.66GHz Quad Core Processor Product Details
Part number 507793-B21 identifies the 507793-B21 HP 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 | 507793-B21 |
| Listing Brand | HP |
| Product Type | Server Processor |
| Catalog Category | HPE CPU |
| Processor Type | Server |
| Series | Xeon |
| Model | X5550 |
| Code Name | Nehalem EP |
| Core Stepping | B0 |
| Manufacturing Process | 45 NM |
| CPU Id | 6A2 |
| Cores | 4 |
| Threads | 8 |
| Base Clock | 2.66 GHz |
| L3 Cache | 8 MB |
| QuickPath Interconnect | 6.40 GT/S |
| Thermal Design Power | 95 Watts |
| Vid Voltage Range | 0.75V – 1.35V |
| Socket | LGA1366 |
| Condition | OEM |
Compatibility and Selection Guidance
Confirm the destination system’s supported processor list, firmware and thermal requirements before ordering. The listed socket is LGA1366. Quote or compatibility enquiries should reference 507793-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 507793-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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