Product comparison · 2 motherboards

ASUS P9X79 WS vs ASUS Rampage IV Formula

53specifications compared
17differ
36identical
15known for one product only

Key differences

Number of memory slots
- P9X79 WS:8
- Rampage IV Formula:4
ECC сompatibility
- P9X79 WS:ECC & Non-ECC
- Rampage IV Formula:Non-ECC
Maximum internal memory
- P9X79 WS:64 GB
- Rampage IV Formula:32 GB
Number of chassis fan connectors
- P9X79 WS:4
- Rampage IV Formula:6
USB 2.0 ports quantity
- P9X79 WS:8
- Rampage IV Formula:6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- P9X79 WS:2
- Rampage IV Formula:4
Ethernet LAN (RJ-45) ports
- P9X79 WS:2
- Rampage IV Formula:1
eSATA ports quantity
- P9X79 WS:0
- Rampage IV Formula:2

Side by side

Differences highlightedShow differences only

Comparison of P9X79 WS, Rampage IV Formula
68 specifications	A ASUS P9X79 WS View product	B ASUS Rampage IV Formula View product
Processor1 differ
Compatible processor seriesDiffers	Intel® Core™ i7	Intel® Core™ i7, Intel® Core™ i7 Extreme Edition
Memory4 differ
Number of memory slotsDiffers	8	4
Memory slots typeKnown for one	DIMM	Unknown — not stated by the source
ECC сompatibilityDiffers	ECC & Non-ECC	Non-ECC
Supported memory clock speedsDiffers	1066,1333,1600,1866,2133,2400 MHz	1066,1333,1600,1800,2000,2133,2400 MHz
Maximum internal memoryDiffers	64 GB	32 GB
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Graphics1 differ
Parallel processing technology supportDiffers	2-Way SLI, 3-Way SLI, 4-Way SLI, Quad-GPU CrossFireX	2-Way SLI, 3-Way SLI, Hybrid CrossFireX, Quad-GPU CrossFireX, Quad-GPU SLI
Internal I/O1 differ
Number of chassis fan connectorsDiffers	4	6
Peripheral (Molex) power connectors (4-pin)Known for one	1	Unknown — not stated by the source
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
TPM connectorKnown for one	Yes	Unknown — not stated by the source
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
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	2	4
Ethernet LAN (RJ-45) portsDiffers	2	1
eSATA ports quantityDiffers	0	2
PS/2 ports quantityDiffers	2	1
Firewire (IEEE 1394) portsDiffers	1	0
Network1 differ
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
LAN controllerKnown for one	Intel® 82574L, Intel® 82579V	Unknown — not stated by the source
Networking featuresDiffers	Gigabit Ethernet	10/100/1000 Mbit/sec
Featuresidentical
Motherboard chipsetKnown for one	Intel X79	Unknown — not stated by the source
Audio chipKnown for one	Realtek ALC898	Unknown — not stated by the source
Motherboard form factorKnown for one	Unknown — not stated by the source	ATX
Expansion slots1 differ
PCI Express x16 slotsDiffers	6	4
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	2
Weight & dimensions2 differ
WidthDiffers	304.8 mm	305 mm
DepthDiffers	266.7 mm	244 mm
Other featuresidentical
EZ plug connectorKnown for one	Unknown — not stated by the source	Yes
Manageability featuresKnown for one	Unknown — not stated by the source	WfM2.0, DMI2.0, 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.

More motherboard comparisons

All motherboard comparisons