Compact P55: Four MicroATX Motherboards Tried And Tested

Feature Table And Test Setup

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Manufacturer ASRock Foxconn Gigabyte MSI
Model P55M Pro P55MX P55M-UD2 P55M-GD45
Socket LGA 1156 LGA 1156 LGA 1156 LGA 1156
Voltage Regulator 5-phase 5-phase 6-phase 5-phase
Chipset Intel P55 Express Intel P55 Express Intel P55 Express Intel P55 Express
RAM 4 x DDR3, no ECC 2 x DDR3, no ECC 4 x DDR3, no ECC 4 x DDR3, no ECC
Ethernet I RTL8111DL gigabit LAN RTL8111DL gigabit LAN RTL8111DL gigabit LAN RTL8111DL gigabit LAN
Panel connectors 1 x Ethernet6 x USB1 x FireWire2 x eSATA/USB1 x PS/2 Keyboard1 x PS/2 Mouse1 x PS/2 Mouse 1 x Ethernet6 x USB1 x PS/2 Keyboard1 x RS232 1 x Ethernet10 x USB1 x FireWire1 x eSATA1 x PS/2 for Keyboard or Mouse 1 x Ethernet10 x USB1 x FireWire2 x eSATA1 x PS/2 Keyboard1 x PS/2 Mouse
Expansion Slots 1 x PCIe 2.0 x161 x PCIe x16 (x4 mode)1 x PCIe x11 x PCI 1 x PCIe 2.0 x161 x PCIe x12 x PCI 1 x PCIe 2.0 x161 x PCIe x16 (x4 mode)2 x PCI 1 x PCIe 2.0 x161 x PCIe x16 (x4 mode)1 x PCIe x11 x PCI
Onboard Connectors 4 x SATA1 x PATA1 x Floppy 6 x SATA1 x Floppy 7 x SATA1 x PATA1 x Floppy 6 x SATA1 x PATA1 x Floppy
Pin-Header 3 x USB1 x FireWire1 x IR1 x LPT1 x RS-232 3 x USB1 x FireWire1 x IR1 x RS-232 2 x USB1 x FireWire1 x RS-232 2 x USB1 x LPT1 x RS-232
Fan 1 x CPU, 2 x Sys 1 x CPU, 2 x Sys 1 x CPU, 1 x Sys 1 x CPU, 2 x Sys
Audio Via VT1708S7.1 Channel6 x RCA JackS/PDIF Optical + Electrical1 x Front Panel Audio Realtek ALC888S7.1 Channel6 x RCA JackS/PDIF Optical1 x Front Panel Audio Realtek ALC888B7.1 Channel6 x RCA JackS/PDIF Optical + Electrical1 x Front Panel AudioS/PDIF In Header Realtek ALC8897.1 Channel6 x RCA Jack1 x Front Panel AudioS/PDIF In Header
Accessoires 2 x SATA1 x SATA Power1 x PATA1 x Floppy 2 x SATA2 x SATA Power 2 x SATA1 x PATA 2 x SATA1 x SATA Power1 x PATA