Product comparison · 2 motherboards

MSI H55M-E23 LGA 1156 (Socket H) micro ATX vs MSI H55M-P33 micro ATX

29specifications compared
9differ
20identical
8known for one product only

Key differences

Number of memory slots
- H55M-E23 LGA 1156 (Socket H) micro ATX:2
- H55M-P33 micro ATX:4
Supported memory clock speeds
- H55M-E23 LGA 1156 (Socket H) micro ATX:1066,1333,1600 MHz
- H55M-P33 micro ATX:1066,1333,1600,2133 MHz
Maximum internal memory
- H55M-E23 LGA 1156 (Socket H) micro ATX:8 GB
- H55M-P33 micro ATX:16 GB
On-board graphics card
- H55M-E23 LGA 1156 (Socket H) micro ATX:Yes
- H55M-P33 micro ATX:No
USB 2.0 ports quantity
- H55M-E23 LGA 1156 (Socket H) micro ATX:4
- H55M-P33 micro ATX:6
Audio output channels
- H55M-E23 LGA 1156 (Socket H) micro ATX:7.1 channels
- H55M-P33 micro ATX:6.1 channels
PCI Express x1 slots
- H55M-E23 LGA 1156 (Socket H) micro ATX:1
- H55M-P33 micro ATX:2
Width
- H55M-E23 LGA 1156 (Socket H) micro ATX:210 mm
- H55M-P33 micro ATX:240 mm

Side by side

Differences highlightedShow differences only

Comparison of H55M-E23, H55M-P33
37 specifications	A MSI H55M-E23 LGA 1156 (Socket H) micro ATX Model H55M-E23 View product	B MSI H55M-P33 micro ATX Model H55M-P33 View product
Processoridentical
Processor socketKnown for one	LGA 1156 (Socket H)	Unknown — not stated by the source
Memory3 differ
Number of memory slotsDiffers	2	4
Supported memory clock speedsDiffers	1066,1333,1600 MHz	1066,1333,1600,2133 MHz
Maximum internal memoryDiffers	8 GB	16 GB
Graphics1 differ
Maximum graphics card memoryKnown for one	512 MB	Unknown — not stated by the source
Parallel processing technology support	Not supported	Not supported
On-board graphics cardDiffers	Yes	No
Internal I/Oidentical
USB 2.0 connectors	3	3
Number of SATA connectors	6	6
Number of Parallel ATA connectorsKnown for one	0	Unknown — not stated by the source
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
TPM connector	Yes	Yes
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports1 differ
USB 2.0 ports quantityDiffers	4	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	0	0
DVI-D ports quantity	1	1
Microphone inKnown for one	Yes	Unknown — not stated by the source
S/PDIF out port	Yes	Yes
Headphone outputsKnown for one	Unknown — not stated by the source	1
Networkidentical
Networking featuresKnown for one	Realtek 8111E	Unknown — not stated by the source
Features1 differ
Motherboard form factor	micro ATX	micro ATX
Audio chipKnown for one	Realtek ALC887	Unknown — not stated by the source
Audio output channelsDiffers	7.1 channels	6.1 channels
Power source type	ATX	ATX
Expansion slots1 differ
PCI Express x1 slotsDiffers	1	2
PCI Express x16 slots	1	1
BIOSidentical
ACPI version	2.0	2.0
Weight & dimensions2 differ
WidthDiffers	210 mm	240 mm
DepthDiffers	245 mm	244 mm

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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