Enthusiast P55: Eight LGA 1156 Boards Between $150 And $200

Features Overview

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Sub-$200 Core i5/i7 Motherboard Features
  ASRock P55 Deluxe Asus P7P55D EVO Biostar TPower I55 EVGA P55 SLI
PCB Revision 1.06 1.06G 5.1 1.0
Chipset Intel P55 Express Intel P55 Express Intel P55 Express Intel P55 Express
Voltage Regulator 18 Phases (16+2) 14 Phases (12+2) 12 Phases (8+4) 10 Phases (8+2)
BIOS 1.70 (09/15/2009) 0711 (09/24/2009) 080015 (09/05/2009) 080016 (10/02/2009)
133.3 MHz BCLK 139.6 MHz (+4.7%) 133.7 MHz (+0.28%) 133.3 MHz (+0.0%) 133.2 MHz (-0.10%)
Clock Generator ICS 9LPRS140CKLF ICS 9LPRS140CKLF RTM85N-914 ICS 9LPRS139AKLF
Internal Interfaces
PCIe 2.0 x16 3 (x16/x1/x4, x8/x8/x4) 3 (x16/x1/x4, x8/x8/x4) 2 (1 x x16 or 2 x x8) 3 (x16/x1/x4, x8/x8/x4)
PCIe x1/x4 1/0 2/0 1/1 1/0
Legacy PCI 3 2 2 2
USB 2.0 3 (6 ports) 3 (6 ports) 3 (6 ports) 3 (6 ports)
IEEE-1394 1 1 1 1
SerialPort 1 1 None None
ParallelPort None None No No
Floppy Yes No Yes No
Ultra-ATA 133 1 (2-drives) 1 (2 drives) 1 (2 drives) None
SATA 3.0Gb/s 6 8 6 6
4-Pin Fan 2 2 1 1
3-Pin Fan 3 2 2 5
FP Audio Yes Yes Yes Yes
CD Audio Yes Yes Yes No
S/PDIF I/O Output Only Output Only Output Only Both
Power Button Yes Yes Yes Yes
Reset Button Yes Yes Yes Yes
CLR_CMOS Button Jumper Only Jumper Only Jumper Only Yes
Diagnostics Panel Numeric Pass/Fail LEDs Numeric Numeric
I/O Panel Connectors
P/S 2 2 2 1 1
USB 2.0 8 (1 Shared w/eSATA) 8 8 6
IEEE-1394 1 1 1 1
Network Dual (with teaming) Dual (with teaming) Dual Dual
eSATA 1 (Shared with USB) 1 2 2
CLR_CMOS Button Yes Yes No Yes
Digital Audio Out Optical+Coaxial Optical+Coaxial Optical+Coaxial Optical+Coaxial
Digital Audio In None None None None
Analog Audio 6 6 6 6
Mass Storage Controllers
Chipset SATA 6 x SATA 3.0Gb/s 6 x SATA 3.0Gb/s 6 x SATA 3.0Gb/s 6 x SATA 3.0Gb/s
Chipset RAID Modes 0, 1, 5, 10 0, 1, 5, 10 0, 1, 5, 10 0, 1, 5, 10
Add-In SATA JMB363 PCIe 1 x eSATA 3.0Gb/s JMB363 PCIe 1 x eSATA 3.0Gb/s 1 x SATA to JMB322 JMB322 to 2x SATA JMB363 PCIe 2 x eSATA 3.0Gb/s 88SE6121 PCIe 2 x eSATA 3.0Gb/s
Add-In Ultra ATA JMB363 PCIe JMB363 PCIe JMB363 PCIe None
IEEE-1394 VT6308S PCI 2 x 400Mb/s VT6308P PCI 2 x 400Mb/s LSI L-FW3227-100 PCI 2 x 400Mb/s TSB43AB22A 2 x 400Mb/s
Gigabit Ethernet
Primary LAN RTL8111DL PCIe RTL8112L PCIe Intel WG82578DC PHY 88E8057 PCIe
Secondary LAN RTL8111DL PCIe RTL810SC PCI RTL8111DL PCIe 88E8057 PCIe
Audio
HD Audio Codec ALC890B VIA VT1828S ALC888S ALC889
Thomas Soderstrom is a Senior Staff Editor at Tom's Hardware US. He tests and reviews cases, cooling, memory and motherboards.