SATA and eSATA Performance
Website: HD Tach 3.0
We tested the SATA and eSATA performance with an Intel X25-M SSD to maximise the use of the SATA connections and reveal any differences in performance.
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Asus Maxmius III Formula (P55)
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DFI MI P55-T36 (SATA and eSATA)
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MSI P55 GD65 (P55)
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Gigabyte GA-P55-UD5 (P55)
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Asus P7P55 Deluxe (P55)
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Gigabyte GA-P55M-UD4 (Gbt SATA)
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Gigabyte GA-P55-UD5 (Gbt SATA)
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Gigabyte GA-P55-UD5 (eSATA)
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MSI P55 GD65 (Blue/eSATA JMicron)
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Gigabyte GA-P55M-UD4 (P55)
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Asus P7P55 Deluxe (Blue JMicron)
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Asus P7P55 Deluxe (White JMicron)
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Asus Maxmius III Formula (Red JMicron)
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Asus Maxmius III Formula (White JMicron)
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Asus P7P55 Deluxe (Black JMicron)
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220.1
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218.7
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216.1
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187.5
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186.6
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182.5
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174.1
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172.2
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161.8
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159.7
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137.9
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136.7
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136.7
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81.6
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72.3
MB/s (higher is better)
SATA performance is impressive - we saw no slowdown from CPU idle states, unlike other boards, as the X25-M G1 SSD maxed out at the usual ~220MB/s. With only three SATA ports on the motherboard, the eSATA is also wired from the P55 PCH too giving the same result.
USB 2.0 Performance
Website: HD Tach 3.0
We tested the USB performance with an Intel X25-M SSD and a SATA to USB adapter to saturate the USB bus in order to look for any performance drops.
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DFI MI P55-T36
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Gigabyte GA-P55M-UD4
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Asus P7P55 Deluxe
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Asus Maxmius III Formula
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MSI MI P55 GD65
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Gigabyte GA-P55-UD5
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37.4
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37.4
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37.3
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37.3
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34.8
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31.9
MB/s (higher is better)
USB performance is also top notch, with DFI engineering its BIOS perfectly.
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