Product comparison · 2 motherboards

ASUS P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX vs ASUS P8C WS

56specifications compared
25differ
31identical
30known for one product only

Key differences

The ASUS P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX has 1 more USB 2.0 connectors than the ASUS P8C WS (2 vs 1). The ASUS P8C WS has 1 more SATA III connectors than the ASUS P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX (2 vs 1). The ASUS P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX has 1 more SATA II connectors than the ASUS P8C WS (5 vs 4). ECC сompatibility: Non-ECC on the ASUS P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX, ECC & Non-ECC on the ASUS P8C WS. Supported memory clock speeds: 1066,1333,1600,1800,2000,2200 MHz on the ASUS P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX, 1333,1600 MHz on the ASUS P8C WS.

ECC сompatibility
- P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX:Non-ECC
- P8C WS:ECC & Non-ECC
Supported storage drive interfaces
- P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX:SATA, SATA II, SATA III
- P8C WS:SATA II, SATA III
Parallel processing technology support
- P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX:Not supported
- P8C WS:Quad-GPU CrossFireX
USB 2.0 connectors
- P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX:2
- P8C WS:1
Number of SATA III connectors
- P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX:1
- P8C WS:2
Number of SATA II connectors
- P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX:5
- P8C WS:4
Number of chassis fan connectors
- P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX:2
- P8C WS:3
USB 2.0 ports quantity
- P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX:4
- P8C WS:6

Side by side

Differences highlightedShow differences only

Comparison of P8B75-M/CSM, P8C WS
86 specifications	A ASUS P8B75-M/CSM motherboard Intel® H61 LGA 1155 (Socket H2) micro ATX Model P8B75-M/CSM View product	B ASUS P8C WS View product
Processor1 differ
Processor manufacturer	Intel	Intel
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
Compatible processor seriesDiffers	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7	Intel® Celeron®, Intel® Pentium®
Maximum number of SMP processors	1	1
Supported processor socketsKnown for one	LGA 1155 (Socket H2)	Unknown — not stated by the source
Memory2 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slots	4	4
Memory slots type	DIMM	DIMM
Memory channels	Dual-channel	Dual-channel
Memory voltageKnown for one	1.5 V	Unknown — not stated by the source
ECC сompatibilityDiffers	Non-ECC	ECC & Non-ECC
Supported memory clock speedsDiffers	1066,1333,1600,1800,2000,2200 MHz	1333,1600 MHz
Maximum internal memoryKnown for one	32 GB	Unknown — not stated by the source
Unbuffered memoryKnown for one	Unknown — not stated by the source	Yes
Storage controllers1 differ
Supported storage drive interfacesDiffers	SATA, SATA II, SATA III	SATA II, SATA III
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Graphics1 differ
Maximum graphics card memoryKnown for one	1024 MB	Unknown — not stated by the source
Parallel processing technology supportDiffers	Not supported	Quad-GPU CrossFireX
On-board graphics card	Yes	Yes
Graphics card family	Intel	Intel
Maximum resolutionKnown for one	2048 x 1536 pixels	Unknown — not stated by the source
Discrete graphics supportKnown for one	Unknown — not stated by the source	Yes
Internal I/O4 differ
USB 2.0 connectorsDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1	1
Number of SATA III connectorsDiffers	1	2
Number of SATA II connectorsDiffers	5	4
Number of Parallel ATA connectorsKnown for one	0	Unknown — not stated by the source
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectors	1	1
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectorsDiffers	2	3
Chassis intrusion connector	Yes	Yes
Peripheral (Molex) power connectors (4-pin)Known for one	1	Unknown — not stated by the source
Number of COM connectors	1	1
Parallel connectorKnown for one	Yes	Unknown — not stated by the source
TPM connector	Yes	Yes
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers	4	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
Ethernet LAN (RJ-45) portsDiffers	1	2
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantityDiffers	2	1
Firewire (IEEE 1394) portsDiffers	0	1
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DVI-D ports quantityKnown for one	1	Unknown — not stated by the source
Microphone in	Yes	Yes
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
Digital audio optical outKnown for one	Unknown — not stated by the source	1
Network3 differ
Ethernet LAN	Yes	Yes
Ethernet interface typeDiffers	Fast Ethernet, Gigabit Ethernet	Gigabit Ethernet
LAN controllerDiffers	Realtek RTL8111F	Intel® 82574L
Networking featuresDiffers	Gigabit Ethernet	2 x Gigabit LAN
Features3 differ
Component for	PC	PC
Motherboard form factorDiffers	micro ATX	ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel® H61	Intel® C216
Audio chipDiffers	VIA VT1708S	Realtek ALC892
Audio output channels	7.1 channels	7.1 channels
Cooling type	Passive	Passive
Power source type	ATX	ATX
CertificationKnown for one	RoHS	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows Server 2008 R2 Enterprise Windows Server 2008 Enterprise 32/64-bit Windows Server 2003 R2 Enterprise 32/64-bit Windows 7 32/64-bit Windows XP 32/64-bit
Expansion slots3 differ
PCI Express x16 slotsDiffers	1	4
PCI Express slots versionDiffers	2.0	2.0, 3.0
PCI slotsDiffers	2	1
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x4, 2x8
BIOS1 differ
BIOS type	AMI	AMI
BIOS memory sizeDiffers	16 Mbit	64 Mbit
ACPI version	2.0a	2.0a
Processor special featuresidentical
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	244 mm	305 mm
DepthDiffers	226 mm	245 mm
Packaging contentidentical
Cables includedKnown for one	SATA	Unknown — not stated by the source
Drivers included	Yes	Yes
Other featuresidentical
AGP x4 slotsKnown for one	1	Unknown — not stated by the source
Number of DIMM slotsKnown for one	2	Unknown — not stated by the source
Number of processors supportedKnown for one	1	Unknown — not stated by the source
Quick installation guide	Yes	Yes
Controller interface typeKnown for one	Unknown — not stated by the source	Intel C216
PCI Express slots quantityKnown for one	Unknown — not stated by the source	5

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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