Product comparison · 2 motherboards

MSI P55A-G55 LGA 1156 (Socket H) ATX vs MSI X58A-GD65 Socket B (LGA 1366) ATX

34specifications compared
14differ
20identical
11known for one product only

Key differences

Processor socket
- P55A-G55 LGA 1156 (Socket H) ATX:LGA 1156 (Socket H)
- X58A-GD65 Socket B (LGA 1366) ATX:Socket B (LGA 1366)
Number of memory slots
- P55A-G55 LGA 1156 (Socket H) ATX:4
- X58A-GD65 Socket B (LGA 1366) ATX:6
Maximum internal memory
- P55A-G55 LGA 1156 (Socket H) ATX:16 GB
- X58A-GD65 Socket B (LGA 1366) ATX:24 GB
USB 2.0 connectors
- P55A-G55 LGA 1156 (Socket H) ATX:2
- X58A-GD65 Socket B (LGA 1366) ATX:3
Number of SATA connectors
- P55A-G55 LGA 1156 (Socket H) ATX:8
- X58A-GD65 Socket B (LGA 1366) ATX:6
USB 2.0 ports quantity
- P55A-G55 LGA 1156 (Socket H) ATX:8
- X58A-GD65 Socket B (LGA 1366) ATX:4
eSATA ports quantity
- P55A-G55 LGA 1156 (Socket H) ATX:0
- X58A-GD65 Socket B (LGA 1366) ATX:2
PS/2 ports quantity
- P55A-G55 LGA 1156 (Socket H) ATX:1
- X58A-GD65 Socket B (LGA 1366) ATX:2

Side by side

Differences highlightedShow differences only

Comparison of P55A-G55, X58A-GD65
45 specifications	A MSI P55A-G55 LGA 1156 (Socket H) ATX Model P55A-G55 View product	B MSI X58A-GD65 Socket B (LGA 1366) ATX Model X58A-GD65 View product
Processor1 differ
Processor manufacturer	Intel	Intel
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Core™ i7
Memory2 differ
Number of memory slotsDiffers	4	6
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Maximum internal memoryDiffers	16 GB	24 GB
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Internal I/O2 differ
USB 2.0 connectorsDiffers	2	3
Number of SATA connectorsDiffers	8	6
Number of Parallel ATA connectorsKnown for one	Unknown — not stated by the source	0
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	1
TPM connector	Yes	Yes
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers	8	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantityDiffers	0	2
PS/2 ports quantityDiffers	1	2
Firewire (IEEE 1394) portsDiffers	0	1
VGA (D-Sub) ports quantity	0	0
HDMI ports quantity	0	0
DVI-D ports quantity	0	0
Headphone outputsKnown for one	Unknown — not stated by the source	6
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
Network1 differ
LAN controller	Realtek RTL8111DL	Realtek RTL8111DL
Networking featuresDiffers	Gb LAN	Gigabit Ethernet
Featuresidentical
Motherboard form factor	ATX	ATX
Audio chip	Realtek ALC892	Realtek ALC892
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows
Expansion slots1 differ
PCI Express x1 slots	2	2
PCI Express x16 slotsDiffers	2	3
PCI slotsKnown for one	Unknown — not stated by the source	2
BIOSidentical
ACPI versionKnown for one	Unknown — not stated by the source	2.0
Weight & dimensions2 differ
WidthDiffers	230 mm	305 mm
DepthDiffers	305 mm	244 mm
Other features1 differ
Controller interface typeDiffers	SATAII/SATAIII	AHCI
Controller 2nd interface typeKnown for one	IDE	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.

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