ASUS M4A89GTD PRO vs ASUS M4A89GTD PRO/USB3

Comparison of M4A89GTD PRO, M4A89GTD PRO/USB3

51 specifications	A ASUS M4A89GTD PROView product	B ASUS M4A89GTD PRO/USB3View 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 controllersidentical
RAID levelsKnown for one	0, 1, 10	—Unknown — not stated by the source
Graphicsidentical
Maximum graphics card memory	512 MB	512 MB
Graphics card	Radeon HD 4290	Radeon HD 4290
Internal I/O1 differ
USB 2.0 connectorsDiffers	4	8
Number of SATA connectors	6	6
Number of Parallel ATA connectors	1	1
S/PDIF out connector	Yes	Yes
ATX Power connector (24-pin)Known for one	Yes	—Unknown — not stated by the source
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectorsKnown for one	1	—Unknown — not stated by the source
Chassis intrusion connector	Yes	Yes
Number of COM connectorsKnown for one	1	—Unknown — not stated by the source
Number of IEEE1394 connectors	1	1
Rear panel I/O ports1 differ
USB 2.0 ports quantityDiffers	6	4
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	1	1
PS/2 ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	1	1
DVI-D ports quantity	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	—Unknown — not stated by the source	2
Networkidentical
LAN controller	Realtek RTL8111E	Realtek RTL8111E
Networking features	Gigabit LAN	Gigabit LAN
Featuresidentical
Motherboard form factor	ATX	ATX
Motherboard chipset	AMD 890GX	AMD 890GX
Audio chip	Realtek ALC892	Realtek ALC892
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Expansion slotsidentical
PCI Express x1 slots	1	1
PCI Express x4 slots	1	1
PCI Express x16 slots	2	2
PCI slots	2	2
Weight & dimensionsidentical
Width	305 mm	305 mm
Depth	244 mm	244 mm
Packaging contentidentical
Drivers included	Yes	Yes
Other features1 differ
Controller 2nd interface type	UltraDMA 133/100	UltraDMA 133/100
Controller interface type	SATA	SATA
Manageability featuresDiffers	WfM 2.0, DMI 2.0, WOL by PME,WOR by PME, PXE	WfM 2.0, DMI 2.0, WOL PME, WOR PME, PXE
BIOSidentical
BIOS typeKnown for one	—Unknown — not stated by the source	AMI
BIOS memory sizeKnown for one	—Unknown — not stated by the source	16 Mbit
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.