I have decided to reduce the CPU VCore to 1.4v applied (I will measure real VCore at the output capacitors), and see how high I can validate. On most boards its 5.0. I have also decided to add real voltage levels compared to what is set for all motherboards, if they don't have voltage read points I will mark where I read the voltage.
The Maximus VIII Impact is doing 5.0GHz just like the high-end motherboards, which isn't surprising at all.
I tested stability at 4.8GHz CPU, 4.1GHz Uncore, and 2666MHz on the memory with 1.4v on the VCore. I am using HandBrake to transcode a 2GB video, and it is very telling since it pulls all cores to their maximum frequency and load. Handbrake is good for a quick stability check, plus I get a log of the encoding speed and the number of errors. It is very easy for the queue not to finish all the way and just error out, it has to proceed without errors to finish.
The LLC levels are from 1-8, and I have measured the important ones manually. LLC is strong and ready for extreme and normal overclocking.
There are voltage read points located right below the audio card when it is inserted, so I also have pointed out voltage read points on the back of the motherboard if those are easier for you to access.
Test 1: 4x4GB (16GB) Corsair Dominator Platinum 3200MHz C16
The Corsair Dominator Platinum is kit meant for X99, but it worked fine on this Z170 motherboard, granted only two DIMMs were used.
Test 2: 2x4GB (8GB) G.Skill Ripjaws V 3600MHz C17
The Ripjaws V kit doesn't work on all motherboards, but it worked perfectly on this one.
Test 3: 2x4GB (8GB) G.Skill TridentZ 3733MHz C17
The Maximus VIII Impact passed this test quite easily which isn't a surprise since ASUS totes 4133Mhz OC support.
PRICING: You can find the ASUS ROG Maximus VIII Impact Mini-ITX (Intel Z170) Motherboard for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:
- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and Maximus VIII Impact Overview]
- Page 3 [ASUS Maximus VIII Impact Circuit Analysis]
- Page 4 [ASUS Maximus VIII Impact Circuit Analysis Continued]
- Page 5 [BIOS and Software]
- Page 6 [Test System Setup]
- Page 7 [Overclocking]
- Page 8 [CPU, Memory, and System Benchmarks]
- Page 9 [System IO Benchmarks]
- Page 10 [Thermal Imaging and Power Consumption]
- Page 11 [What's Hot, What's Not & Final Thoughts]
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