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Features Comparison Tables

P55 On Boost: Five LGA 1156 Boards Between $200 And $250
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Sub-$250 Core i5/i7 Motherboard Features
 Asus P7P55D DeluxeEVGA P55 FTWGigabyte P55A-UD6
PCB Revision1.06G1.01.0
ChipsetIntel P55 ExpressIntel P55 ExpressIntel P55 Express
Voltage Regulator19 Phases14 Phases24 Phases
BIOS0711 (09/24/2009)080016 (10/23/2009)F4 (10/26/2009)
133.3 MHz BCLK133.7 MHz (+0.28%)131.9 MHz (-1.09%)132.9 MHz (-0.32%)
Clock GeneratorICS 9LPRS140CKLFICS 9LPRS139AKLFICS 9LPRS914EKLF
Internal Interfaces
PCIe 2.0 x163 (x16/x1/x4, x8/x8/x4)3 (x16/x4/x1, x8/x4/x8)3 (x16/x1/x4, x8/x8/x4)
PCIe x1/x42/01/02/0
Legacy PCI222
USB 2.03 (6-ports)3 (6-ports)2 (4-ports)
IEEE-1394111
Serial Port1None1
Parallel PortNoneNoneNone
FloppyNoNoYes
Ultra-ATA 1331 (2-drives)None1 (2-drives)
SATA 3.0 Gb/s966
SATA 6.0 Gb/sNoneNone2
4-Pin Fan212
3-Pin Fan264
FP-AudioYesYesYes
CD-AudioYesNoYes
S/PDIF I/OOutput OnlyBothBoth
Power ButtonYesYesYes
Reset ButtonYesYesYes
CLR_CMOS ButtonJumper OnlyYesYes
Diagnostics PanelPass/Fail LEDsNumericNumeric
I/O Panel
P/S 2211
USB 2.087 (1 Shared w/eSATA)8 (2 Shared w/eSATA
USB 3.0NoneNone2
IEEE-1394112
NetworkDual (with teaming)DualDual (with teaming)
eSATA022
CLR_CMOS ButtonYesYesNo
Digital Audio OutOptical+CoaxialOptical+CoaxialOptical+Coaxial
Digital Audio InNoneNoneNone
Analog Audio66
Mass Storage Controllers
Chipset SATA6x SATA 3.0 Gb/s6x SATA 3.0 Gb/s6x SATA 3.0 Gb/s
Chipset RAID Modes0, 1, 5, 100, 1, 5, 100, 1, 5, 10
Add-In SATAJMB363 PCIe, 1 x SATA 3.0 Gb/s, 1 x SATA to JMB322, JMB322 to 2 x SATA88SE6121 PCIe, 2 x eSATA 3.0 Gb/s88SE9128 PCIe, 2 x SATA 6.0 Gb/s, JMB362 PCIe, 2 x eSATA 3.0 Gb/s
Add-In Ultra ATAJMB363 PCIeNoneITE IT8213 PCIe
IEEE-1394VT6308P PCI
2 x 400 mb/s
TSB43AB22A
2 x 400 mb/s
TSB43AB23 PCI
3 x 400 Mb/s
Gigabit Ethernet Controllers
Primary LANRTL8112L PCIe88E6057 PCIeRTL8111D PCIe
Secondary LANRTL810SC PCI88E6057 PCIeRTL8111D PCIe
Audio Codec
HD Audio CodecVIA VT2020ALC889ALC889
Sub-$250 Core i5/i7 Motherboard Features
 Intel DP55KGMSI P55-GD80
PCB RevisionE47218-4021.1
NorthbridgeIntel P55 ExpressIntel P55 Express
Voltage RegulatorSix Phase DigitalTen Phases
BIOS3822 (09/28/2009)1.5 (09/25/2009)
133.3 MHz BCLK133.3 MHz (+0.0%)133.7 MHz (+0.28%)
Clock GeneratorSLG505YC264CTMSI LRS4116AL
Internal Interfaces
PCIe  x163 (x16/x1/x4, x8/x8/x4)3 (x16/x1/x4, x8/x8/x4)
PCIe x1/x42/0*2/0
Legacy PCI22
USB 2.02 (4-ports) +1 port3 (6-ports)
IEEE-139411
Serial PortNoneNone
Parallel PortNoneNone
FloppyNoNo
Ultra-ATA 133None1 (2-drives)
SATA 3.0 Gb/s88
SATA 6.0 Gb/sNoneNone
4-Pin Fan41
3-Pin FanNone4
FP-AudioYesYes
CD-AudioNoYes
S/PDIF I/OOutput OnlyOutput Only
Power ButtonYesYes
Reset ButtonNoYes
CLR_CMOS ButtonJumper OnlyYes
Diagnostics PanelNumericNumeric
I/O Panel
P/S 2None2
USB 2.088 (1 Shared w/eSATA)
USB 3.0NoneNone
IEEE-139411
NetworkSingleDual
eSATA21
CLR_CMOS Button*Back to BIOSNo
Digital Audio OutOpticalOptical+Coaxial
Digital Audio InOpticalNone
Analog Audio66
Mass Storage Controllers
Chipset SATA6x SATA 3.0 Gb/s6x SATA 3.0 Gb/s
Chipset RAID Modes0, 1, 5, 100, 1, 5, 10
Add-In SATA88SE6145 PCIe, 2 x SATA 3.0 Gb/s, 2 x eSATA 3.0 Gb/sJMB363 PCIe, 1 x eSATA 3.0 Gb/s, 1 x SATA to JMB322, JMB322 to 2 x SATA
Add-In Ultra ATANoneJMB363 PCIe
IEEE-1394TSB43AB22A
2x 400 mb/s
VT6315N PCIe
2x 400 Mb/s
Gigabit Ethernet Controllers
Primary LANIntel WG82578DC PHYRTL8111DL PCIe
Secondary LANBluetooth PANRTL8111DL PCIe
Audio Codec
HD Audio CodecALC889ALC889
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