Product comparison · 2 motherboards

ASUS P7P55 LX vs ASUS P8B WS

44specifications compared
23differ
21identical
20known for one product only

Key differences

Processor socket
- P7P55 LX:LGA 1156 (Socket H)
- P8B WS:LGA 1155 (Socket H2)
ECC сompatibility
- P7P55 LX:Non-ECC
- P8B WS:ECC & Non-ECC
Supported memory clock speeds
- P7P55 LX:1066,1333,1600,2200 MHz
- P8B WS:1066,1333 MHz
Maximum internal memory
- P7P55 LX:16 GB
- P8B WS:32 GB
USB 2.0 connectors
- P7P55 LX:3
- P8B WS:4
Number of SATA II connectors
- P7P55 LX:6
- P8B WS:4
Number of Parallel ATA connectors
- P7P55 LX:1
- P8B WS:0
USB 2.0 ports quantity
- P7P55 LX:8
- P8B WS:6

Side by side

Differences highlightedShow differences only

Comparison of P7P55 LX, P8B WS
64 specifications	A ASUS P7P55 LX View product	B ASUS P8B WS View product
Processor2 differ
Processor socketDiffers	LGA 1156 (Socket H)	LGA 1155 (Socket H2)
Compatible processor seriesDiffers	Intel® Core™ i5, Intel® Core™ i7	Intel® Core™ i3
Memory3 differ
ECC сompatibilityDiffers	Non-ECC	ECC & Non-ECC
Supported memory clock speedsDiffers	1066,1333,1600,2200 MHz	1066,1333 MHz
Maximum internal memoryDiffers	16 GB	32 GB
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	1748 MB
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Internal I/O3 differ
USB 2.0 connectorsDiffers	3	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	2
Number of SATA II connectorsDiffers	6	4
Number of Parallel ATA connectorsDiffers	1	0
Front panel audio connectorKnown for one	Unknown — not stated by the source	Yes
Number of EATX power connectorsKnown for one	Unknown — not stated by the source	1
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	1
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Number of SATA connectorsKnown for one	6	Unknown — not stated by the source
CD/AUX audio inKnown for one	Yes	Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	1	Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Yes	Unknown — not stated by the source
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers	8	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	2
Ethernet LAN (RJ-45) portsDiffers	1	2
PS/2 ports quantityDiffers	2	1
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
VGA (D-Sub) ports quantityDiffers	0	1
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
Headphone outputsDiffers	1	6
Digital audio optical outKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Yes	Unknown — not stated by the source
Networkidentical
LAN controllerKnown for one	Realtek RTL8112L	Unknown — not stated by the source
Features2 differ
Component forKnown for one	Unknown — not stated by the source	PC
Motherboard chipsetDiffers	Intel® P55	Intel® C206
Audio chipDiffers	VIA VT1708S	Realtek ALC892
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows Server 2008 Enterprise 32/64-bit Windows Server 2003 R2 Enterprise 32/64-bit Windows 7 32/64-bit Windows Vista 32/64-bit Windows XP 32/64-bit
Expansion slots3 differ
PCI Express x1 slotsDiffers	2	1
PCI Express x16 slotsDiffers	1	4
PCI slotsDiffers	3	1
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
BIOS2 differ
BIOS typeDiffers	AMI	EFI
BIOS memory sizeDiffers	16 Mbit	32 Mbit
Weight & dimensions1 differ
DepthDiffers	218 mm	245 mm
Other features1 differ
Controller interface typeKnown for one	Unknown — not stated by the source	Intel 82574L
Manageability featuresDiffers	WfM 2.0, DMI 2.0, WOL PME, WOR PME, PXE	WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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