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Home » Cooler Master Hyper N620 CPU Cooler Review

Cooler Master Hyper N620 CPU Cooler Review

[nextpage title=”Introduction”]

This time we tested Cooler Master Hyper N620 CPU cooler. This model has a tower design, six heatpipes and it is one of the few coolers on market that comes already with two fans. But does it have a good performance? Let’s see.

Hyper N620 box isn’t facy, with a sober looks.

Cooler Master Hyper N620Figure 1: Box.

Inside the box we found the cooler, user manual, installation hardware and a small tube of gray thermal compound.

Cooler Master Hyper N620Figure 2: Box contents.

In Figure 3 you can take a look at Hyper N620. In the next pages we will see the cooler in detail.

Cooler Master Hyper N620Figure 3: Hyper N620.

[nextpage title=”Cooler Master Hyper N620″]

Hyper N620 would be a conventional tower cooler, if it wasn’t for some details. The first one is the fact that it comes with two fans installed. In Figure 4 we have a front view of N620 and where you can see the first fan, which pushes air into the heatsink.

Cooler Master Hyper N620Figure 4: Front view.

In Figure 5 we see the second fan, which helps to remove hot air from the heatsink. If you pay close attention you will see that the fan connector has four pins and thus the cooler features automatic speed control (PWM).
Cooler Master Hyper N620Figure 5: Rear view.

In Figure 6 we have a side view of the cooler. It is not too deep since with two fans it would take a lot of room on the motherboard. Fan attachment is made using screws on the top and with rubber holders on the bottom.

Cooler Master Hyper N620Figure 6: Side view.

[nextpage title=”Cooler Master Hyper N620 (Cont’d)”]

In Figure 7 we can see N620 from above, where you can better understand the positioning of the fans. Note how they are not exactly in front of each other, so this cooler is wider than other tower coolers with 120 mm fans.

Cooler Master Hyper N620Figure 7: Top view.

In Figure 8 we can see the base of the cooler, with a near-mirrored finishing. We also can see the small thermal compound syringe that comes with the cooler.
Cooler Master Hyper N620Figure 8: Cooler base.
In Figure 9 we see the cooler heatpipes. Four of them are "U" shaped, with both sides connected to the heatsink. Two heatpipes (located on the extremities of the base), however, have only one of their sides connected to the heatsink.

Cooler Master Hyper N620Figure 9: Heatpipes.

[nextpage title=”Installation”]

In Figure 10 we can see the installation hardware for AMD socket AM3, AM2+, AM2, 939 and 754 CPUs. The rectangular plate goes on the solder side of the motherboard, while the frame is attached to the base of the cooler.

Cooler Master Hyper N620Figure 10: Installation hardware for AMD CPUs.

In Figure 11 we can see the clip for use with socket LGA1366. In the sample we received there was no support for socket LGA1156, but probably this clip will be included in the next revision from this cooler, since socket LGA1156 seems to be here to stay.

Cooler Master Hyper N620Figure 11: Socket LGA1366 clip.

In Figure 12, you can see the socket LGA775 clip. You can install Hyper N620 on this socket with or without the backplate, but it is recommended to install it, since it prevents the motherboard from bending.

Cooler Master Hyper N620Figure 12: Clips for socket LGA775.

In Figure 13 we can see the socket LGA775 clips installed on the base of the cooler.

Cooler Master Hyper N620Figure 13: Socket LGA775 clips installed.

[nextpage title=”Installation (Cont’d)”]

In Figure 14 we see Cooler Master Hyper N620 installed on our motherboard.

Cooler Master Hyper N620Figure 14: Installed on the motherboard.

Inside our case it fit tightly. Its wide heatsink did not interfered with any motherboard component and although it was very close to the power supply it didn’t touch it.

Cooler Master Hyper N620Figure 15: Installed in the case.

In Figure 16 we can see the fans glowing, both of them with blue LEDs.

Cooler Master Hyper N620Figure 16: Fans glowing.

[nextpage title=”How We Tested”]

We are adopting the following methodology for our CPU cooler reviews.

First, we chose the CPU with the highest TDP (Thermal Design Power) we had available, a Core 2 Extreme QX6850, which has a 130 W TDP. The choice for a CPU with a high TDP is obvious. To measure the efficiency of the tested cooler, we need a processor that gets very hot. This CPU works by default at 3.0 GHz, but we overclocked it to 3.33 GHz, in order to heat it as much as possible.

We took noise and temperature measurements with the CPU idle and under full load. In order to achieve 100% CPU load on the four processing cores we ran Prime95 with the "In-place Large FFTs" option, and three instances of the StressCPU program, all at the same time.

We also compared the reviewed cooler to the Intel stock cooler (with copper base), which comes with the processor we used, and also with some other coolers we have tested using the same methodology.

Temperature measurements were taken with a digital thermometer, with the sensor touching the base of the cooler, and also with the core temperature reading (given by the CPU thermal sensor) from the from the SpeedFan program, using an arithmetic average of the four core temperature readings.

The sound pressure level (SPL) was measured with a digital noise meter, with its sensor placed 4" (10 cm) from the fan. We turned off the video board cooler so it wouldn’t interfere with the results, but this measurement is only for comparative purposes, because a precise SPL measurement needs to be made inside an acoustically insulated room with no other noise sources, which is not the case here.

Hardware Configuration

  • Processor: Core 2 Extreme QX6850
  • Motherboard: Gigabyte EP45-UD3L
  • Memory: 2 GB Corsair XMS2 DHX TWIN2X2048-6400C4DHX G (DDR2-800/PC2-6400 with timings 4-4-4-12), running at 800 MHz
  • Hard drive: 500 GB Seagate Barracuda 7200.11 (ST3500320AS, SATA-300, 7200 rpm, 32 MB buffer)
  • Video card: PNY Verto Geforce 9600 GT
  • Video resolution: 1680×1050
  • Video monitor: Samsung Syncmaster 2232BW Plus
  • Power supply required: Seventeam ST-550P-AM
  • Case: 3RSystem K100

Software Configuration

  • Windows 7 Home Premium 64 bit

Software Used

  • Prime95
  • StressCPU
  • SpeedFan

Error Margin

We adopted a 2 °C error margin, i.e., temperature differences below 2 °C are considered irrelevant.

[nextpage title=”Our Tests”]

On the tables below you can see our results. We ran the same tests with the coolers shown on below tables. Each test ran with the CPU idle and the with the CPU fully loaded. On BigTyp 14Pro, TMG IA1, NH-U12P and ISGC-300 the tests were done with the fan at full speed and at minimum speed. The other coolers were connected directly to the motherboard and it controls the fan speed based on CPU load level and temperature on PWM models. ISGC-400, iCEAGE Prima Boss and Megahalems Rev. B were tested at minimum speed on idle test and at maximum speed on full load test.

CPU Idle

Cooler Room Temp. Noise Fan Speed Base Temp. Core Temp.
Intel stock 14 °C 44 dBA 1000 rpm 31 °C 42 °C
BigTyp 14Pro (min) 17 °C 47 dBA 880 rpm 29 °C 36 °C
BigTyp 14Pro (max) 17 °C 59 dBA 1500 rpm 26 °C 34 °C
Akasa Nero 18 °C 41 dBA 500 rpm 26 °C 35 °C
Cooler Master V10 14 °C 44 dBA 1200 rpm 21 °C 26 °C
TMG IA1 (max) 16 °C 47 dBA 1500 rpm 22 °C 30 °C
TMG IA1 (min) 16 °C 57 dBA 2250 rpm 21 °C 30 °C
Zalman CNPS10X Extreme 16 °C 44 dBA 1200 rpm 21 °C 29 °C
Thermaltake ISGC-100 18 °C 44 dBA 1450 rpm 35 °C 49 °C
Noctua NH-U12P (low) 15 °C 42 dBA 1000 rpm 20 °C 30 °C
Noctua NH-U12P 15 °C 46 dBA 1400
rpm
20 °C 28 °C
Noctua NH-C12P 17 °C 46 dBA 1400 rpm 23 °C 28 °C
Thermaltake ISGC-200 21 °C 43 dBA 1100 rpm 31 °C 35 °C
Schythe Kabuto 22 °C 42 dBA 800 rpm 29 °C 34 °C
Arctic Cooling Alpine 11 Pro 20 °C 43 dBA 1500 rpm 32 °C 39 °C
ISGC-300 (min) 18 °C 42 dBA 800 rpm 26 °C 30 °C
ISGC-300 (max) 18 °C 46 dBA 1400 rpm 24 °C 26 °C
SilverStone NT06-E 21 °C 66 dBA 2600 rpm 30 °C 41 °C
Zalman CNPS9700 NT 22 °C 48 dBA 1700 rpm 28 °C 35 °C
Scythe Mugen-2 17 °C 41 dBA 700 rpm 25 °C 30 °C
ISGC-400 (min) 17 °C 44 dBA 850 rpm 24 °C 30 °C
Cooler Master Vortex 752 20 °C 48 dBA 1700 rpm 32 °C 44 °C
iCEAGE Prima Boss (min) 22 °C 42 dBA 1000 rpm 29 °C 36 °C
Evercool Buffalo 17 °C 51 dBA 1850 rpm 22 °C 29 °C
Scythe Big Shuriken 20 °C 42 dBA 900 rpm 31 °C 39 °C
Cooler Master Hyper TX3 21 °C 44 dBA 1700 rpm 30 °C 39 °C
Titan Skalli 20 °C 43 dBA 1200 rpm 27 °C 34 °C
Prolimatech Megahalems Rev. B 21 °C 40 dBA 800 rpm 28 °C 32 °C
Zalman CNPS9900 NT 23 °C 45 dBA 900 rpm 30 °C 34 °C
Cooler Master Hyper N620 21 °C 44 dBA 1200 rpm 28 °C 34 °C

CPU Fully Loaded

Cooler Room Temp. Noise Fan Speed Base Temp. Core Temp.
Intel stock 14 °C 48 dBA 1740 rpm 42 °C 100 °C
BigTyp 14Pro (min) 17 °C 47 dBA 880 rpm 43 °C 77 °C
BigTyp 14Pro (max) 17 °C 59 dBA 1500 rpm 35 °C 70 °C
Akasa Nero 18 °C 48 dBA 1500 rpm 34 °C 68 °C
Cooler Master V10 14 °C 54 dBA 1900 rpm 24 °C 52 °C
TMG IA1 (max) 16 °C 47 dBA 1500 rpm 27 °C 63 °C
TMG IA1 (
min)
16 °C 57 dBA 2250 rpm 25 °C 60 °C
Zalman CNPS10X Extreme 16 °C 51 dBA 1900 rpm 24 °C 50 °C
Thermaltake ISG-100 18 °C 50 dBA 1800 rpm 58 °C 93 °C
Noctua NH-U12P (low) 15 °C 42 dBA 1000 rpm 28 °C 59 °C
Noctua NH-U12P 15 °C 46 dBA 1400 rpm 25 °C 54 °C
Noctua NH-C12P 17 °C 46 dBA 1400 rpm 37 °C 76 °C
Thermaltake ISGC-200 21 °C 48 dBA 1900 rpm 42 °C 68 °C
Scythe Kabuto 22 °C 47 dBA 1200 rpm 38 °C 63 °C
Arctic Cooling Alpine 11 Pro 20 °C 51 dBA 2300 rpm 49 °C 85 °C
ISGC-300 (min) 18 °C 42 dBA 800 rpm 36 °C 64 °C
ISGC-300 (max) 18 °C 46 dBA 1400 rpm 31 °C 56 °C
SilverStone NT06-E 21 °C 66 dBA 2600 rpm 39 °C 96 °C
Zalman CNPS9700 NT 22 °C 56 dBA 2600 rpm 34 °C 63 °C
Scythe Mugen-2 17 °C 46 dBA 1300 rpm 28 °C 54 °C
ISGC-400 (max) 17 °C 47 dBA 1400 rpm 36 °C 69 °C
Cooler Master Vortex 752 20 °C 55 dBA 2300 rpm 48 °C 92 °C
iCEAGE Prima Boss (max) 22 °C 53 dBA 2000 rpm 35 °C 59 °C
Evercool Buffalo 17 °C 51 dBA 1850 rpm 32 °C 67 °C
Scythe Big Shuriken 20 °C 50 dBA 1500 rpm 51 °C 85 °C
Cooler Master Hyper TX3 21 °C 53 dBA 2700 rpm 39 °C 66 °C
Titan Skalli 20 °C 47 dBA 1550 rpm 37 °C 69 °C
Prolimatech Megahalems Rev. B 21 °C 61 dBA 2600 rpm 30 °C 51 °C
Zalman CNPS9900 NT 23 °C 56 dBA 2000 rpm 34 °C 54 °C
Cooler Master Hyper N620 21 °C 50 dBA 1650 rpm 32 °C 56 °C

The next graph shows how many degrees Celsius the CPU core was hotter than room temperature during our idle tests.

Cooler Master Hyper N620 

The next graph gives you an idea on how many degrees Celsius the CPU core was hotter than room temperature during our full load tests.

 Cooler Master Hyper N620

[nextpage title=”Main Specifications”]

Cooler Master Hyper N620 main features are:

  • Application: Sockets 1366, 775, AM3, AM2+, AM2, 939 and 754 processors.
  • Fins: Aluminum.
  • Base: Copper.
  • Heat-pipes: Six 6-mm copper heat-pipes (four U-shaped).
  • Fan: two 120 mm fans with blue LEDs.
  • Nominal fan speed: 2,000 rpm.
  • Fan air flow: 83.6 cfm.
  • Maximum power consumption: not informed.
  • Nominal noise level: 28 dBA.
  • Weight: 1.87 lbs (847 g).
  • More information: https://www.coolermaster-usa.com
  • Average price in the US*: USD 55.00

* Researched on www.newegg.com on the day this review was published.

[nextpage title=”Conclusions”]

Cooler Master Hyper N620 is a unique cooler, mostly by the fact that it comes with two fans already installed. We were afraid it could be very noisy because of this feature, but it showed to be comparable to its competitors in this aspect.

It achieved a performance similar to the best coolers we’ve already tested, performing better than some really good coolers. Probably this is due to its design, with two unaligned fans, which helps to achieve a good airflow.

Regarding its looks, Cooler Master did also a good job, with both the fans glowing in blue. You can say it is a good performance cooler by just looking at it.

It is a beautiful high-performance cooler reasonably priced, so it deserves the Hardware Secrets Golden Award seal.

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