ASUS P5E3 WS Professional vs ASUS P5K SE/EPU

Comparison of P5E3 WS Professional, P5K SE/EPU

45 specifications	A ASUS P5E3 WS ProfessionalView product	B ASUS P5K SE/EPUView product
Memoryidentical
ECC сompatibilityKnown for one	—Unknown — not stated by the source	Non-ECC
Storage controllersidentical
RAID levelsKnown for one	0, 1, 5, 10	—Unknown — not stated by the source
Internal I/O1 differ
USB 2.0 connectorsKnown for one	6	—Unknown — not stated by the source
Number of SATA connectorsDiffers	6	4
Number of Parallel ATA connectorsKnown for one	1	—Unknown — not stated by the source
Front panel audio connectorKnown for one	Yes	—Unknown — not stated by the source
CD/AUX audio inKnown for one	Yes	—Unknown — not stated by the source
ATX Power connector (24-pin)Known for one	Yes	—Unknown — not stated by the source
Number of EATX power connectorsKnown for one	1	—Unknown — not stated by the source
Power fan connectorKnown for one	Yes	—Unknown — not stated by the source
CPU fan connectorKnown for one	Yes	—Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	2	—Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Yes	—Unknown — not stated by the source
Number of COM connectorsKnown for one	1	—Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	1	—Unknown — not stated by the source
TPM connectorKnown for one	Yes	—Unknown — not stated by the source
Rear panel I/O portsidentical
USB 2.0 ports quantityKnown for one	6	—Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	2	—Unknown — not stated by the source
eSATA ports quantityKnown for one	1	—Unknown — not stated by the source
PS/2 ports quantityKnown for one	1	—Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	1	—Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	0	—Unknown — not stated by the source
HDMI ports quantityKnown for one	0	—Unknown — not stated by the source
DVI-D ports quantityKnown for one	0	—Unknown — not stated by the source
Headphone outputsKnown for one	1	—Unknown — not stated by the source
Microphone inKnown for one	Yes	—Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	—Unknown — not stated by the source
Networkidentical
LAN controllerKnown for one	Marvell 88E8056	—Unknown — not stated by the source
Networking featuresKnown for one	Dual Gigabit Ethernet	—Unknown — not stated by the source
Featuresidentical
Audio chipKnown for one	ADI AD1988B	—Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	—Unknown — not stated by the source
PCI Express x16 slotsKnown for one	2	—Unknown — not stated by the source
Expansion slotsKnown for one	—Unknown — not stated by the source	- 2 x PCIe x16 - 2 x PCIe x1 - 2 x PCI
BIOSidentical
BIOS memory sizeKnown for one	16 Mbit	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	305 mm	—Unknown — not stated by the source
DepthKnown for one	244 mm	—Unknown — not stated by the source
Other featuresidentical
Floppy disk drive connectorKnown for one	Yes	—Unknown — not stated by the source
Manageability featuresKnown for one	WfM 2.0, DMI 2.0, WOL @ PME, WOR @ PME, PXE	—Unknown — not stated by the source

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.