Never used for overclocking or exposed to abnormally high temps. Currently untested as I no longer have a compatible AM3+ CPU, but it worked flawlessly the last time I powered it up a month ago - IO Shield Included - Supports AMD AM3+ FX / AM3 Phenom™ II, Athlon™ II series Processors - 8+2 phase CPU VRM power design for AMD high-TDP CPU support - 2-way CrossFire™/ SLI™ Support - Realtek ALC889 with High Quality 108dB SNR HD audio - 4 USB 3.0 ports with GIGABYTE 3X USB power - 6 SATA3 and 2 eSATA3 ports with RAID support