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ASUS M5A99FX Pro R2.0 Motherboard Review

Waco    -   December 29, 2013
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ASUS M5A99FX Pro R2.0 Motherboard Testing:

LAN performance will be tested via a pair of utilities to gauge the performance of the on board network solutions. The motherboard being tested will be connected via a Gigabit switch to another system with an integrated Gigabit network solution on board.

iPerf: is a small lightweight utility run from the command prompt and can be used to "measure both TCP and UDP performance on a network. IPerf is cross platform software and open source." The test is configured to run for 20 seconds with a window size of 256 KB and four simultaneous streams that should be able to saturate the TCP link on a good NIC.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rightmark Audio Analyzer 6.3 is used to test the sound solution on board each motherboard. Nothing beats a good set of ears and headphones but this is a graphic representation of the capabilities of the installed hardware. Sampling mode is 24bit 44kHz.

 
Gigabyte 990FXA-UD3
ASUS M5A99FX Pro R2.0
Frequency Response dB
+0.07,-0.18
+0.13,+ 0.07
Noise Level dBA
-89.9
-85.5
Dynamic Range dBA
89.9
85.5
Total Harmonic distortion %
0.130
0.130
Intermodulation distortion +noise
0.257
0.256
Stereo Crosstalk,db
-86.2
-85.3
Intermodulation distortion + noise (Swept Freq) %
0.322
0.323
Frequency Response (Swept Sine), db
+0.1,-0.1
+0.1,-0.1

Both boards were essentially identical in the network performance tests; if bandwidth is a concern neither will leave you starved. The ASUS M5A99FX Pro R2.0 did stand out in the Rightmark audio test, but not exactly in a great way. Its frequency response was very slightly better, but the noise floor, dynamic range, and crosstalk numbers were all a few decibles short of the Gigabyte board. Fear not, however, since these differences are so slight that even those who claim to have golden ears are extremely unlikely to notice the differences. Both performed admirably, if a bit short of their advertised ratings.




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