81Y6555 IBM Intel Xeon X5687 3.60GHz Quad Core Processor
81Y6555 Overview
Part number 81Y6555 identifies the 81Y6555 IBM Intel Xeon X5687 3.60GHz Quad Core Processor, a server processor for compatible hardware platforms. The supplied product data records model: X5687; cores: 4; threads: 8; base clock: 3.60 GHz; L3 cache: 12 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 81Y6555. Pricing is available by quotation; include the part number and required quantity in the enquiry. The source specification lists the condition as OEM.
Description
81Y6555 IBM Intel Xeon X5687 3.60GHz Quad Core Processor Product Details
Part number 81Y6555 identifies the 81Y6555 IBM Intel Xeon X5687 3.60GHz Quad Core Processor, a server processor for compatible hardware platforms. The supplied product data records model: X5687; cores: 4; threads: 8; base clock: 3.60 GHz; L3 cache: 12 MB.
Key Specifications
| Specification | Product Data |
|---|---|
| Part Number | 81Y6555 |
| Listing Brand | IBM |
| Product Type | Server Processor |
| Catalog Category | IBM CPU |
| Processor Type | Server |
| Series | Xeon Processor |
| Model | X5687 |
| Code Name | Westmere EP |
| Core Stepping | B1 |
| Manufacturing Process | 32 NM |
| CPU Id | 206C2 |
| Cores | 4 |
| Threads | 8 |
| Base Clock | 3.60 GHz |
| L3 Cache | 12 MB |
| QuickPath Interconnect | 6.40 GT/S QPI |
| Thermal Design Power | 130 Watts |
| Vid Voltage Range | 0.750V-1.350V |
| 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 81Y6555.
- 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. The source specification lists the condition as OEM. Use 81Y6555 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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