Product comparison · 2 motherboards

GIGABYTE B550M AORUS ELITE AX (REV. 1.4) vs GIGABYTE MZ33-AR1 Socket SP5 Extended ATX

43specifications compared
25differ
18identical
68known for one product only

Key differences

The GIGABYTE MZ33-AR1 Socket SP5 Extended ATX has 20 more memory slots than the GIGABYTE B550M AORUS ELITE AX (REV. 1.4) (24 vs 4). The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 4 more SATA III connectors than the GIGABYTE MZ33-AR1 Socket SP5 Extended ATX (4 vs 0). The GIGABYTE MZ33-AR1 Socket SP5 Extended ATX has 1 more EPS power connectors (8-pin) than the GIGABYTE B550M AORUS ELITE AX (REV. 1.4) (2 vs 1). Only the GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has Wi-Fi. Processor socket: Socket AM4 on the GIGABYTE B550M AORUS ELITE AX (REV. 1.4), Socket SP5 on the GIGABYTE MZ33-AR1 Socket SP5 Extended ATX.

Processor socket
- B550M AORUS ELITE AX (REV. 1.4):Socket AM4
- MZ33-AR1 Socket SP5 Extended ATX:Socket SP5
Supported memory types
- B550M AORUS ELITE AX (REV. 1.4):DDR4-SDRAM
- MZ33-AR1 Socket SP5 Extended ATX:DDR5-SDRAM
Number of memory slots
- B550M AORUS ELITE AX (REV. 1.4):4
- MZ33-AR1 Socket SP5 Extended ATX:24
Supported storage drive interfaces
- B550M AORUS ELITE AX (REV. 1.4):M.2, SATA III
- MZ33-AR1 Socket SP5 Extended ATX:M.2
Number of SATA III connectors
- B550M AORUS ELITE AX (REV. 1.4):4
- MZ33-AR1 Socket SP5 Extended ATX:0
Number of EPS power connectors (8-pin)
- B550M AORUS ELITE AX (REV. 1.4):1
- MZ33-AR1 Socket SP5 Extended ATX:2
USB 2.0 ports quantity
- B550M AORUS ELITE AX (REV. 1.4):4
- MZ33-AR1 Socket SP5 Extended ATX:0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- B550M AORUS ELITE AX (REV. 1.4):4
- MZ33-AR1 Socket SP5 Extended ATX:2

Side by side

Differences highlightedShow differences only

Comparison of B550M AORUS ELITE AX (REV. 1.4), MZ33-AR1
111 specifications	A GIGABYTE B550M AORUS ELITE AX (REV. 1.4)View product	B GIGABYTE MZ33-AR1 Socket SP5 Extended ATX Model MZ33-AR1 View product
Processor2 differ
Processor manufacturer	AMD	AMD
Processor socketDiffers	Socket AM4	Socket SP5
Compatible processor seriesDiffers	AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series	AMD EPYC 9004, AMD EPYC 9005
Maximum number of SMP processorsKnown for one	1	Unknown — not stated by the source
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 slots type	DIMM	DIMM
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	4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz	3600,4000,4400,4800 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 controllers1 differ
Supported storage drive typesKnown for one	HDD & SSD	Unknown — not stated by the source
Supported storage drive interfacesDiffers	M.2, SATA III	M.2
Number of HDDs supportedKnown for one	4	Unknown — not stated by the source
Number of storage drives supported	6	6
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	4096 x 2160 pixels	Unknown — not stated by the source
HDCPKnown for one	Yes	Unknown — not stated by the source
DirectX versionKnown for one	12.0	Unknown — not stated by the source
On-board graphics card modelKnown for one	Unknown — not stated by the source	Aspeed AST2600
Internal I/O2 differ
USB 2.0 connectors	1	1
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0	0
Number of SATA III connectorsDiffers	4	0
Front panel audio connectorKnown for one	Yes	Unknown — not stated by the source
Front panel connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
Number of CPU fan connectorsKnown for one	1	Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	2	Unknown — not stated by the source
EPS power connector (8-pin)	Yes	Yes
Number of EPS power connectors (8-pin)Differs	1	2
12V power connectorKnown for one	Yes	Unknown — not stated by the source
Number of water pump connectorsKnown for one	2	Unknown — not stated by the source
Serial port headersKnown for one	1	Unknown — not stated by the source
TPM connector	Yes	Yes
RGB LED pin headerKnown for one	Yes	Unknown — not stated by the source
Number of RGB LED pin headersKnown for one	5	Unknown — not stated by the source
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers	4	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0	0
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
Headphone outputsKnown for one	1	Unknown — not stated by the source
Line-inKnown for one	Yes	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
COM ports quantityKnown for one	Unknown — not stated by the source	1
Network2 differ
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controllerDiffers	Realtek RTL8111H	Broadcom BCM57416
Wi-FiDiffers	Yes	No
Top Wi-Fi standardKnown for one	Wi-Fi 6E (802.11ax)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	Wi-Fi 6E (802.11ax)	Unknown — not stated by the source
WLAN controller modelKnown for one	Realtek RTL8852CE	Unknown — not stated by the source
BluetoothKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	5.3	Unknown — not stated by the source
Features3 differ
Component forDiffers	PC	Server
Motherboard form factorDiffers	micro ATX	Extended ATX
Motherboard chipset family	AMD	AMD
Motherboard chipsetKnown for one	AMD B550	Unknown — not stated by the source
Audio chipKnown for one	Realtek ALC897	Unknown — not stated by the source
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Product colourDiffers	Brown	Blue
PC health monitoringKnown for one	Fan, Temperature, Voltage	Unknown — not stated by the source
Cooling typeKnown for one	Passive	Unknown — not stated by the source
Power source type	ATX	ATX
Windows operating systems supportedKnown for one	Windows 10 x64, Windows 11 x64	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x1 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 (Gen 4.x) slotsKnown for one	1	Unknown — not stated by the source
Number of M.2 (M) slotsDiffers	2	1
1st M.2 largest key sizeKnown for one	22110	Unknown — not stated by the source
1st M.2 highest PCI Express generationKnown for one	4.0	Unknown — not stated by the source
2nd M.2 largest key sizeKnown for one	2280	Unknown — not stated by the source
2nd M.2 highest PCI Express generationKnown for one	3.0	Unknown — not stated by the source
PCI Express x16 (Gen 5.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
Logistics dataidentical
Country of originKnown for one	China	Unknown — not stated by the source
Packaging data3 differ
Package widthDiffers	265 mm	409 mm
Package depthDiffers	265 mm	355 mm
Package heightDiffers	65 mm	78 mm
Package weightKnown for one	1.27 kg	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	244 mm	304.8 mm
DepthDiffers	244 mm	330.2 mm
Packaging contentidentical
Antenna includedKnown for one	Yes	Unknown — not stated by the source
Screws includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Norton® Internet Security (OEM version)LAN bandwidth management software	Unknown — not stated by the source
Cables includedKnown for one	Unknown — not stated by the source	SATA
Technical detailsidentical
Warranty periodKnown for one	3 year(s)	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%

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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