Product comparison · 2 motherboards

GIGABYTE A520M DS3H AC (Rev. 1.4) vs GIGABYTE MZ73-LM2 Socket SP5 Extended ATX

37specifications compared
24differ
13identical
65known for one product only

Key differences

The GIGABYTE MZ73-LM2 Socket SP5 Extended ATX has 20 more memory slots than the GIGABYTE A520M DS3H AC (Rev. 1.4) (24 vs 4). The GIGABYTE A520M DS3H AC (Rev. 1.4) has 1 more storage drives supported than the GIGABYTE MZ73-LM2 Socket SP5 Extended ATX (5 vs 4). The GIGABYTE A520M DS3H AC (Rev. 1.4) has 1 more USB 2.0 connectors than the GIGABYTE MZ73-LM2 Socket SP5 Extended ATX (1 vs 0). Only the GIGABYTE A520M DS3H AC (Rev. 1.4) has Wi-Fi. Processor socket: Socket AM4 on the GIGABYTE A520M DS3H AC (Rev. 1.4), Socket SP5 on the GIGABYTE MZ73-LM2 Socket SP5 Extended ATX.

Processor socket
- A520M DS3H AC (Rev. 1.4):Socket AM4
- MZ73-LM2 Socket SP5 Extended ATX:Socket SP5
Supported memory types
- A520M DS3H AC (Rev. 1.4):DDR4-SDRAM
- MZ73-LM2 Socket SP5 Extended ATX:DDR5-SDRAM
Number of memory slots
- A520M DS3H AC (Rev. 1.4):4
- MZ73-LM2 Socket SP5 Extended ATX:24
Supported storage drive interfaces
- A520M DS3H AC (Rev. 1.4):PCI Express 3.0, SATA III
- MZ73-LM2 Socket SP5 Extended ATX:M.2, SlimSAS
Number of storage drives supported
- A520M DS3H AC (Rev. 1.4):5
- MZ73-LM2 Socket SP5 Extended ATX:4
USB 2.0 connectors
- A520M DS3H AC (Rev. 1.4):1
- MZ73-LM2 Socket SP5 Extended ATX:0
Number of SATA III connectors
- A520M DS3H AC (Rev. 1.4):4
- MZ73-LM2 Socket SP5 Extended ATX:0
Number of CPU fan connectors
- A520M DS3H AC (Rev. 1.4):1
- MZ73-LM2 Socket SP5 Extended ATX:2

Side by side

Differences highlightedShow differences only

Comparison of A520M DS3H AC (Rev. 1.4), MZ73-LM2
102 specifications	A GIGABYTE A520M DS3H AC (Rev. 1.4)View product	B GIGABYTE MZ73-LM2 Socket SP5 Extended ATX Model MZ73-LM2 View product
Processor2 differ
Processor socketDiffers	Socket AM4	Socket SP5
Compatible processor seriesDiffers	AMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series	AMD EPYC 9004, AMD EPYC 9005
Supported processor socketsKnown for one	Socket AM4	Unknown — not stated by the source
Memory3 differ
Supported memory typesDiffers	DDR4-SDRAM	DDR5-SDRAM
Number of memory slotsDiffers	4	24
Memory slot pin countKnown for one	288	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
ECC сompatibilityKnown for one	ECC & Non-ECC	Unknown — not stated by the source
Supported memory clock speedsDiffers	4733,4600,4400,4000,3600,3333,3200,2933,2667,2400,2133,3866,3800,3733,3466,3400,3300 MHz	4800 MHz
Supported memory clock speed (max)Known for one	4733 MHz	Unknown — not stated by the source
Maximum internal memoryKnown for one	128 GB	Unknown — not stated by the source
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Maximum internal memory per slotKnown for one	32 GB	Unknown — not stated by the source
Storage controllers2 differ
Supported storage drive typesKnown for one	HDD & SSD	Unknown — not stated by the source
Supported storage drive interfacesDiffers	PCI Express 3.0, SATA III	M.2, SlimSAS
Number of storage drives supportedDiffers	5	4
RAID supportKnown for one	Yes	Unknown — not stated by the source
RAID levelsKnown for one	0, 1, 10	Unknown — not stated by the source
Graphicsidentical
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
Maximum resolutionKnown for one	5120 x 2880 pixels	Unknown — not stated by the source
HDCPKnown for one	Yes	Unknown — not stated by the source
HDCP versionKnown for one	2.3	Unknown — not stated by the source
High Dynamic Range (HDR) supportedKnown for one	Yes	Unknown — not stated by the source
Number of displays supportedKnown for one	3	Unknown — not stated by the source
On-board graphics card modelKnown for one	Unknown — not stated by the source	Aspeed AST2600
Internal I/O4 differ
USB 2.0 connectorsDiffers	1	0
Number of SATA III connectorsDiffers	4	0
Front panel audio connectorKnown for one	Yes	Unknown — not stated by the source
Number of CPU fan connectorsDiffers	1	2
Number of EPS power connectors (8-pin)Differs	1	2
12V power connectorKnown for one	Yes	Unknown — not stated by the source
Serial port headersKnown for one	1	Unknown — not stated by the source
RGB LED pin headerKnown for one	Yes	Unknown — not stated by the source
Number of RGB LED pin headersKnown for one	2	Unknown — not stated by the source
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
Ethernet LAN (RJ-45) portsDiffers	1	2
PS/2 ports quantityKnown for one	1	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	0	1
HDMI ports quantityDiffers	1	0
HDMI versionKnown for one	2.1	Unknown — not stated by the source
DVI-D ports quantityDiffers	1	0
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DisplayPort versionKnown for one	1.4	Unknown — not stated by the source
Headphone outputsKnown for one	3	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
WiFi-AP antenna jackKnown for one	2	Unknown — not stated by the source
USB connector typeKnown for one	USB Type-A	Unknown — not stated by the source
COM ports quantityKnown for one	Unknown — not stated by the source	1
Network2 differ
Ethernet interface typeDiffers	Fast Ethernet, Gigabit Ethernet	Gigabit Ethernet
Wi-FiDiffers	Yes	No
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11a, 802.11b, 802.11g, Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)	Unknown — not stated by the source
WLAN controller modelKnown for one	Realtek RTL8821CE	Unknown — not stated by the source
BluetoothKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	5.0	Unknown — not stated by the source
LAN controllerKnown for one	Unknown — not stated by the source	Broadcom BCM57416
Features3 differ
Component forDiffers	PC	Server
Motherboard form factorDiffers	micro ATX	Extended ATX
Motherboard chipset familyKnown for one	AMD	Unknown — not stated by the source
Motherboard chipsetKnown for one	AMD A520	Unknown — not stated by the source
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Product colourDiffers	Black	Blue
PC health monitoringKnown for one	Voltage, Temperature, Fan	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Windows 11 x64, Windows 10 x64	Unknown — not stated by the source
Power source typeKnown for one	Unknown — not stated by the source	ATX
Expansion slotsidentical
PCI Express x1 (Gen 3.x) slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
Number of M.2 (M) slotsKnown for one	1	Unknown — not stated by the source
1st M.2 largest key sizeKnown for one	2280	Unknown — not stated by the source
1st M.2 highest PCI Express generationKnown for one	3.0	Unknown — not stated by the source
PCI Express x16 (Gen 4.x) slotsKnown for one	Unknown — not stated by the source	4
BIOSidentical
BIOS typeKnown for one	UEFI AMI	Unknown — not stated by the source
BIOS memory sizeKnown for one	128 Mbit	Unknown — not stated by the source
ACPI versionKnown for one	5.0	Unknown — not stated by the source
Clear CMOS jumperKnown for one	Yes	Unknown — not stated by the source
Desktop Management Interface (DMI) versionKnown for one	2.7	Unknown — not stated by the source
System Management BIOS (SMBIOS) versionKnown for one	2.7	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	244 mm	304.8 mm
DepthDiffers	244 mm	335.2 mm
Packaging contentidentical
Cables includedKnown for one	SATA	Unknown — not stated by the source
Bundled softwareKnown for one	Norton Internet Security	Unknown — not stated by the source
Operational conditionsidentical
Storage temperature (T-T)Known for one	Unknown — not stated by the source	10 - 40 °C
Operating temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 95%
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	409 mm
Package depthKnown for one	Unknown — not stated by the source	355 mm
Package heightKnown for one	Unknown — not stated by the source	78 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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