The main chips on the logic board include:

2.5 GHz quad-core Intel Core i5-2400S CPU with 6 MB of Intel Smart Cache.

Intel BD82Z68 Platform Controller Hub

Broadcom BCM57765B0KMLG Integrated Gigabit Ethernet and Memory Card Reader Controller

Cirrus 4206BCNZ audio controller

SMSC USX2061 (we believe this a USB 2.0 Hub Controller Family)

Intersil ISL6364 CRZ Single-Phase Synchronous-Buck PWM voltage regulator for GPU core power applications

Intel L102IA84 EFL Thunderbolt port IC