AMD Athlon 1.2GHz Socket A 462 Processor A1200AMS3B 200MHz 256KB Cache

AMD Athlon 1.2GHz Socket A 462 Processor A1200AMS3B 200MHz 256KB Cache

The AMD Athlon A1200AMS3B is a 1.2GHz Socket A desktop processor from AMD's Athlon Thunderbird generation. Running on a 200MHz front side bus with 256KB of on-die L2 cache, this CPU slots into any Socket A (Socket 462) motherboard. It was manufactured in Malaysia, as marked on the substrate.

Specifications & What's Included

• Manufacturer: AMD
• Part Number: A1200AMS3B
• Core Speed: 1.2 GHz (1200 MHz)
• Front Side Bus: 200 MHz
• L2 Cache: 256 KB (on-die)
• Socket: Socket A / Socket 462
• Architecture: Thunderbird
• Number of Cores: 1
• Country of Manufacture: Malaysia
• Includes: CPU only — no heatsink or fan

Applications

The Athlon Thunderbird was AMD's flagship desktop processor from 2000–2001, competing directly with Intel's Pentium III and early Pentium 4. Socket A became one of the longest-lived CPU sockets AMD produced, supported across a wide range of VIA, AMD 760, and NVIDIA nForce chipset motherboards. The 1.2GHz Athlon was a top-tier consumer and enthusiast CPU at its introduction, used in gaming PCs, workstations, and home desktops of the early 2000s. Today these processors are sought after for retro PC builds, vintage gaming rigs, and legacy system restoration projects. Any Socket A motherboard supporting 200MHz FSB operation is compatible with this processor.