Product comparison · 2 motherboards

GIGABYTE GA-H55M-D2H motherboard LGA 1156 (Socket H) micro ATX vs GIGABYTE GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX

35specifications compared
7differ
28identical
14known for one product only

Key differences

Maximum internal memory
- GA-H55M-D2H motherboard LGA 1156 (Socket H) micro ATX:8 GB
- GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:16 GB
PS/2 ports quantity
- GA-H55M-D2H motherboard LGA 1156 (Socket H) micro ATX:1
- GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:2
HDMI ports quantity
- GA-H55M-D2H motherboard LGA 1156 (Socket H) micro ATX:1
- GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:0
DVI-D ports quantity
- GA-H55M-D2H motherboard LGA 1156 (Socket H) micro ATX:1
- GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:0
Headphone outputs
- GA-H55M-D2H motherboard LGA 1156 (Socket H) micro ATX:6
- GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:3
Audio chip
- GA-H55M-D2H motherboard LGA 1156 (Socket H) micro ATX:Realtek ALC888B / ALC892
- GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:Realtek ALC888B
BIOS memory size
- GA-H55M-D2H motherboard LGA 1156 (Socket H) micro ATX:128 Mbit
- GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:16 Mbit

Side by side

Differences highlightedShow differences only

Comparison of GA-H55M-D2H, GA-H55M-S2
49 specifications	A GIGABYTE GA-H55M-D2H motherboard LGA 1156 (Socket H) micro ATX Model GA-H55M-D2H View product	B GIGABYTE GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX Model GA-H55M-S2 View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 1156 (Socket H)	LGA 1156 (Socket H)
Memory1 differ
Number of memory slots	2	2
Memory voltage	1.5 V	1.5 V
ECC сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Supported memory clock speedsKnown for one	2200 MHz	Unknown — not stated by the source
Maximum internal memoryDiffers	8 GB	16 GB
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Internal I/Oidentical
USB 2.0 connectors	2	2
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
Number of EATX power connectors	1	1
CPU fan connector	Yes	Yes
Rear panel I/O ports4 differ
USB 2.0 ports quantity	8	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantityDiffers	1	2
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantity	1	1
HDMI ports quantityDiffers	1	0
DVI-D ports quantityDiffers	1	0
Headphone outputsDiffers	6	3
Microphone in	Yes	Yes
Digital audio optical outKnown for one	1	Unknown — not stated by the source
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111E
Features1 differ
Motherboard form factor	micro ATX	micro ATX
Audio chipDiffers	Realtek ALC888B / ALC892	Realtek ALC888B
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Compatible operating systemsKnown for one	Windows 7/Vista/XP	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 slots	1	1
PCI Express x16 slots	1	1
PCI slots	2	2
BIOS1 differ
BIOS type	AWARD	AWARD
BIOS memory sizeDiffers	128 Mbit	16 Mbit
ACPI version	1.0	1.0
Weight & dimensionsidentical
Width	244 mm	244 mm
Depth	210 mm	210 mm
Packaging contentidentical
Drivers included	Yes	Yes
Other featuresidentical
S/PDIF in connectorKnown for one	Yes	Unknown — not stated by the source
Controller 2nd interface typeKnown for one	iTE IT8720	Unknown — not stated by the source
Floppy disk drive connectorKnown for one	Yes	Unknown — not stated by the source
Controller interface typeKnown for one	Unknown — not stated by the source	iTE IT8720

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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