Product comparison · 2 motherboards

ASUS P5B-MX LGA 775 (Socket T) micro ATX vs ASUS P5K-VM LGA 775 (Socket T) micro ATX

36specifications compared
15differ
21identical
6known for one product only

Key differences

Number of memory slots
- P5B-MX LGA 775 (Socket T) micro ATX:2
- P5K-VM LGA 775 (Socket T) micro ATX:4
Maximum internal memory
- P5B-MX LGA 775 (Socket T) micro ATX:4 GB
- P5K-VM LGA 775 (Socket T) micro ATX:8 GB
Graphics card
- P5B-MX LGA 775 (Socket T) micro ATX:GMA 3000
- P5K-VM LGA 775 (Socket T) micro ATX:GMA 3100
USB 2.0 connectors
- P5B-MX LGA 775 (Socket T) micro ATX:8
- P5K-VM LGA 775 (Socket T) micro ATX:6
USB 2.0 ports quantity
- P5B-MX LGA 775 (Socket T) micro ATX:4
- P5K-VM LGA 775 (Socket T) micro ATX:6
PS/2 ports quantity
- P5B-MX LGA 775 (Socket T) micro ATX:2
- P5K-VM LGA 775 (Socket T) micro ATX:1
Networking features
- P5B-MX LGA 775 (Socket T) micro ATX:Gigabit Ethernet, WLAN
- P5K-VM LGA 775 (Socket T) micro ATX:Gigabit Ethernet
Overclocking features
- P5B-MX LGA 775 (Socket T) micro ATX:SFS ASUS C.P.R.
- P5K-VM LGA 775 (Socket T) micro ATX:SFS ASUS C.P.R. PCI Express

Side by side

Differences highlightedShow differences only

Comparison of P5B-MX, P5K-VM
42 specifications	A ASUS P5B-MX LGA 775 (Socket T) micro ATX Model P5B-MX View product	B ASUS P5K-VM LGA 775 (Socket T) micro ATX Model P5K-VM View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Maximum number of SMP processors	1	1
Memory2 differ
Number of memory slotsDiffers	2	4
ECC сompatibility	Non-ECC	Non-ECC
Maximum internal memoryDiffers	4 GB	8 GB
Graphics1 differ
Maximum graphics card memory	256 MB	256 MB
Graphics cardDiffers	GMA 3000	GMA 3100
Internal I/O1 differ
USB 2.0 connectorsDiffers	8	6
Number of SATA connectors	4	4
Number of Parallel ATA connectorsKnown for one	1	Unknown — not stated by the source
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio inKnown for one	Yes	Unknown — not stated by the source
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectors	1	1
Chassis intrusion connector	Yes	Yes
Number of EATX power connectorsKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers	4	6
Ethernet LAN (RJ-45) ports	1	1
PS/2 ports quantityDiffers	2	1
VGA (D-Sub) ports quantity	1	1
Parallel ports quantity	1	1
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
Network1 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Marvell 88E8056
Features1 differ
Motherboard form factor	micro ATX	micro ATX
Audio chip	Realtek ALC883	Realtek ALC883
Power source type	ATX	ATX
Overclocking featuresDiffers	SFS ASUS C.P.R.	SFS ASUS C.P.R. PCI Express
Expansion slots1 differ
Expansion slotsDiffers	1x PCI-E x16 1x PCI-E x1 2x PCI	1 x PCI-E x16 1 x PCI-E x4 2 x PCI
BIOS1 differ
BIOS memory sizeDiffers	32 Mbit	64 Mbit
Weight & dimensions2 differ
WidthDiffers	245 mm	244 mm
DepthDiffers	203 mm	244 mm
Packaging contentidentical
Bundled software	Drivers ASUS PC Probe II ASUS Update	Drivers ASUS PC Probe II ASUS Update
Other features3 differ
Controller 2nd interface type	UltraDMA 100/66/33	UltraDMA 100/66/33
Controller interface typeDiffers	Serial ATA I/II	Serial ATA
Floppy disk drive connector	Yes	Yes
Special featuresDiffers	ASUS CrashFree BIOS 2 ASUS EZ Flash ASUS Q-fan ASUS MyLogo 2	ASUS AI Lifestyle Features: - AP Trigger. - ASUS AI Gear2. - ASUS AI Nap. - ASUS Q-Fan. ASUS Crystal Sound: - ASUS Noise Filter. ASUS EZ DIY: - ASUS Q-Connector. - ASUS CrashFree BIOS 3. - ASUS EZ Flash 2.
Manageability featuresDiffers	WfM 2.0, DMI, WOL by PME, WOR by 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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