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Stable core speed is ~1430MHz
Stable memory speed is ~1927MHz x 4 (7710)
Cons: Came in a white box.
No free games.
Other Thoughts: I've used it with three power supplies. The two that used a single rail with high amperage (60 and 80) had no coil shine. The third had 4 rails at 18 amps each. Then it had coil whine.
Even running Kombuster and hitting 70C, the loudest item in the case is the power supply fan.
Pros: I got a very nice price for this in a bundle.
Cons: The USB 3.0 ports at times will not power devices such a Dell laser mouse. I've seen the usb 3.0 ports fail in pairs (one from each column of ports) the same time, then rebound on the next power up. I've also plugged in a functional usb wireless receiver into the USB 2.0 ports and had the system shut down that moment. I've experienced power up issues that were solved by removing usb devices too. I'm wondering if they made sure these ports had the right current specifications. The power supply is a 900 watt, and while the issue might lie there, I don't think it does. It worked in the previous rig just fine.
Sound: Using 5.1 surround, my rear headphone sounds are reversed. I haven't found a fix for that in 8.1, or the supplied sound interface, other than using external cables.
This review is from: LOGISYS Computer MC4002IW 120mm Hydro Bearing Ice Wind CPU Cooler
Pros: The contact surface was completely flat.
The installation could be done without access to the rear of the motherboard.
It keeps the processor reasonably cool despite a low volume, nearly silent replacement fan being used.
Cons: I'm not sure I would trust the plastic mounting ring if I were going to move the case often. The plastic mounts which pass through the motherboard from only the front are not as robust as a rear plate system. But they can easily be installed without board removal. This mount resulted in a 1 egg reduction.
The ring to mount the heat sink to is very close to the top of some components on my Gigabyte GA-Z97X-SLI.
Other Thoughts: The fan seemed adequate but I had a Noctua NF-F12 to mount. While nearly noiseless, the air flow through the heat exchanger is not very impressive.
I did not use the included paste. I used AC Silver 5.
Rig: i5-4690K (not overclocked) mounted to GA-Z97X-SLI. Windows 8.1.
The case is a Corsair C70 Vengeance. This fan fit within the case with a clearance of about 1/2" to the side cover. While that is too tight to mount a fan on the inside of the cover, the proximity allows for external air to be drafted through the cover holes by the fan as it blows toward the heat exchanger and rear of the case.
I've not had 200 hours of burn in yet to set the AC-5 properly, but here are some closed case temperatures at 74 degree room temperature:
Intel XTU 188.8.131.52 (which does not properly report processor speeds) raised the maximum core temperature to 64C during a 10 minute stress test.
Prime95 26.6 for 20 minutes created a maximum core temperature to 66 C
Prime 95 28.5 (not recommended) raised the maximum core temperature to 84 C
Prime95 26.6 run at the same time as Furmark 1.14.1 for a 20 minute test raised the maximum core temperature to 68 C
I would say that the heat exchanger works fine even with modest airflow. For my use, this was a great deal at $22.
Once the paste sets up, I will try overclocking and posting a follow up.
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