Product comparison · 2 motherboards

MSI 870U-G55 AMD 770 Socket AM3 ATX vs MSI H55M-P33 micro ATX

22specifications compared
10differ
12identical
20known for one product only

Key differences

Supported memory clock speeds
- 870U-G55 AMD 770 Socket AM3 ATX:800,1066,1333 MHz
- H55M-P33 micro ATX:1066,1333,1600,2133 MHz
USB 2.0 connectors
- 870U-G55 AMD 770 Socket AM3 ATX:2
- H55M-P33 micro ATX:3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 870U-G55 AMD 770 Socket AM3 ATX:2
- H55M-P33 micro ATX:0
Firewire (IEEE 1394) ports
- 870U-G55 AMD 770 Socket AM3 ATX:1
- H55M-P33 micro ATX:0
Motherboard form factor
- 870U-G55 AMD 770 Socket AM3 ATX:ATX
- H55M-P33 micro ATX:micro ATX
Audio output channels
- 870U-G55 AMD 770 Socket AM3 ATX:7.1 channels
- H55M-P33 micro ATX:6.1 channels
PCI Express x1 slots
- 870U-G55 AMD 770 Socket AM3 ATX:1
- H55M-P33 micro ATX:2
PCI Express x16 slots
- 870U-G55 AMD 770 Socket AM3 ATX:2
- H55M-P33 micro ATX:1

Side by side

Differences highlightedShow differences only

Comparison of 870U-G55, H55M-P33
42 specifications	A MSI 870U-G55 AMD 770 Socket AM3 ATX Model 870U-G55 View product	B MSI H55M-P33 micro ATX Model H55M-P33 View product
Processoridentical
Processor manufacturerKnown for one	AMD	Unknown — not stated by the source
Processor socketKnown for one	Socket AM3	Unknown — not stated by the source
Memory1 differ
Number of memory slots	4	4
Supported memory clock speedsDiffers	800,1066,1333 MHz	1066,1333,1600,2133 MHz
Maximum internal memory	16 GB	16 GB
Graphicsidentical
On-board graphics card	No	No
Parallel processing technology supportKnown for one	Unknown — not stated by the source	Not supported
Internal I/O1 differ
USB 2.0 connectorsDiffers	2	3
Number of SATA connectors	6	6
Number of Parallel ATA connectorsKnown for one	1	Unknown — not stated by the source
S/PDIF out connectorKnown for one	Yes	Unknown — not stated by the source
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
Chassis intrusion connectorKnown for one	Yes	Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	1	Unknown — not stated by the source
TPM connector	Yes	Yes
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports2 differ
USB 2.0 ports quantity	6	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
Ethernet LAN (RJ-45) ports	1	1
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsDiffers	1	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
DVI-D ports quantityKnown for one	Unknown — not stated by the source	1
Headphone outputsKnown for one	Unknown — not stated by the source	1
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Networkidentical
LAN controllerKnown for one	Realtek RTL8111E	Unknown — not stated by the source
Networking featuresKnown for one	10/100/1000	Unknown — not stated by the source
Features2 differ
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipsetKnown for one	AMD 770	Unknown — not stated by the source
Audio chipKnown for one	Realtek ALC892	Unknown — not stated by the source
Audio output channelsDiffers	7.1 channels	6.1 channels
Power source type	ATX	ATX
Expansion slots2 differ
PCI Express x1 slotsDiffers	1	2
PCI Express x16 slotsDiffers	2	1
Weight & dimensions2 differ
WidthDiffers	305 mm	240 mm
DepthDiffers	225 mm	244 mm
BIOSidentical
ACPI versionKnown for one	Unknown — not stated by the source	2.0

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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