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The Phenom II X2 555 is a dual-core Socket AM3 desktop processor clocked at 3.2 GHz with 6 MB of L3 cache and a 1 MB L2 cache. Its calling card is overclocking: the unlocked multiplier and the chance of unlocking the two dormant cores made it a budget favorite among tinkerers. It suits cheap AM3 builds, retro and secondary PCs, and hobbyists who enjoy tuning. Against the Athlon II X2 line it adds L3 cache and an unlocked multiplier; against the quad-core Phenom II X4 it gives up two cores.
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Lowest price we've seen: $130.00 on Nov 10 at Newegg. Tracked across 1 store since Nov 10.
Owners remember the 555 fondly as a cheap overclocker, often pushing it well past its stock 3.2 GHz. The core-unlock gamble is the most discussed point, with some getting a stable quad-core and others hitting crashes or failed boots.
