Product comparison · 2 motherboards

ASUS M4A77D AMD 770 Socket AM3 ATX vs ASUS M4A785G HTPC

41specifications compared
15differ
26identical
10known for one product only

Key differences

RAID levels
- M4A77D AMD 770 Socket AM3 ATX:0, 1, 0+1, JBOD
- M4A785G HTPC:0, 1, 10
Number of SATA connectors
- M4A77D AMD 770 Socket AM3 ATX:6
- M4A785G HTPC:5
Number of EATX power connectors
- M4A77D AMD 770 Socket AM3 ATX:1
- M4A785G HTPC:2
Number of chassis fan connectors
- M4A77D AMD 770 Socket AM3 ATX:1
- M4A785G HTPC:2
USB 2.0 ports quantity
- M4A77D AMD 770 Socket AM3 ATX:6
- M4A785G HTPC:4
PS/2 ports quantity
- M4A77D AMD 770 Socket AM3 ATX:1
- M4A785G HTPC:0
HDMI ports quantity
- M4A77D AMD 770 Socket AM3 ATX:0
- M4A785G HTPC:1
DVI-D ports quantity
- M4A77D AMD 770 Socket AM3 ATX:0
- M4A785G HTPC:1

Side by side

Differences highlightedShow differences only

Comparison of M4A77D, M4A785G HTPC
51 specifications	A ASUS M4A77D AMD 770 Socket AM3 ATX Model M4A77D View product	B ASUS M4A785G HTPC View product
Processoridentical
Processor manufacturer	AMD	AMD
Processor socket	Socket AM3	Socket AM3
Memoryidentical
Number of memory slots	4	4
ECC сompatibility	ECC & Non-ECC	ECC & Non-ECC
Maximum internal memory	16 GB	16 GB
Storage controllers1 differ
RAID levelsDiffers	0, 1, 0+1, JBOD	0, 1, 10
Internal I/O3 differ
USB 2.0 connectors	3	3
Number of SATA connectorsDiffers	6	5
Number of Parallel ATA connectors	1	1
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectorsDiffers	1	2
CPU fan connector	Yes	Yes
Number of chassis fan connectorsDiffers	1	2
Chassis intrusion connector	Yes	Yes
CD/AUX audio inKnown for one	Unknown — not stated by the source	Yes
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers	6	4
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	1	1
PS/2 ports quantityDiffers	1	0
Firewire (IEEE 1394) ports	1	1
VGA (D-Sub) ports quantity	1	1
HDMI ports quantityDiffers	0	1
DVI-D ports quantityDiffers	0	1
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
COM ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
LAN controller	Realtek RTL8112L	Realtek RTL8112L
Networking features	Gigabit LAN	Gigabit LAN
Features2 differ
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipsetDiffers	AMD 770	AMD 785G
Audio chipKnown for one	VIA VT1818S	Unknown — not stated by the source
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Power source type	ATX	ATX
Expansion slots1 differ
PCI Express x1 slots	2	2
PCI Express x16 slots	1	1
PCI slotsDiffers	3	1
BIOS1 differ
BIOS type	AMI	AMI
BIOS memory sizeDiffers	64 Mbit	16 Mbit
Weight & dimensions2 differ
WidthDiffers	306 mm	244 mm
DepthDiffers	214 mm	244 mm
Packaging contentidentical
Drivers included	Yes	Yes
Other features1 differ
Controller 2nd interface typeKnown for one	UltraDMA 133/100/66	Unknown — not stated by the source
Controller interface typeDiffers	SATA 3 Gb/s	SB710
I/O portsKnown for one	Unknown — not stated by the source	2-ch RCA auido out
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	512 MB
Graphics cardKnown for one	Unknown — not stated by the source	Radeon HD 4200

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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