Product comparison · 2 motherboards

ASUS PRIME X299-A vs MSI B250m Bazooka Opt Boost

44specifications compared
22differ
22identical
36known for one product only

Key differences

Processor socket
- PRIME X299-A:LGA 2066 (Socket R4)
- B250m Bazooka Opt Boost:LGA 1151 (Socket H4)
Number of memory slots
- PRIME X299-A:8
- B250m Bazooka Opt Boost:4
Supported memory clock speeds
- PRIME X299-A:2133,2400,2666,3600,4000 MHz
- B250m Bazooka Opt Boost:2133,2400 MHz
Maximum internal memory
- PRIME X299-A:128 GB
- B250m Bazooka Opt Boost:64 GB
USB 2.0 connectors
- PRIME X299-A:1
- B250m Bazooka Opt Boost:2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- PRIME X299-A:2
- B250m Bazooka Opt Boost:1
USB 3.2 Gen 2 (3.1 Gen 2) connectors
- PRIME X299-A:1
- B250m Bazooka Opt Boost:0
Number of SATA III connectors
- PRIME X299-A:8
- B250m Bazooka Opt Boost:6

Side by side

Differences highlightedShow differences only

Comparison of PRIME X299-A, B250m Bazooka Opt Boost
80 specifications	A ASUS PRIME X299-A View product	B MSI B250m Bazooka Opt Boost View product
Processor1 differ
Processor manufacturer	Intel	Intel
Processor socketDiffers	LGA 2066 (Socket R4)	LGA 1151 (Socket H4)
Intel Core i3/i5/i7/i9 seriesKnown for one	Unknown — not stated by the source	i3-6xxx, i3-7xxx, i5-6xxx, i5-7xxx, i7-6xxx, i7-7xxx
Compatible processor seriesKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Memory3 differ
Supported memory types	DDR4-SDRAM	DDR4-SDRAM
Number of memory slotsDiffers	8	4
Memory slots type	DIMM	DIMM
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Memory voltageKnown for one	Unknown — not stated by the source	1.2,1.25,1.35 V
ECC сompatibility	Non-ECC	Non-ECC
Supported memory clock speedsDiffers	2133,2400,2666,3600,4000 MHz	2133,2400 MHz
Maximum internal memoryDiffers	128 GB	64 GB
Supported memory module capacitiesKnown for one	Unknown — not stated by the source	16GB
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Storage controllersidentical
Supported storage drive typesKnown for one	Unknown — not stated by the source	HDD & SSD
RAID levelsKnown for one	0, 1, 5, 10	Unknown — not stated by the source
Internal I/O5 differ
USB 2.0 connectorsDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	2	1
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers	1	0
Number of SATA III connectorsDiffers	8	6
Number of SATA II connectors	0	0
Number of Parallel ATA connectors	0	0
Front panel audio connectorKnown for one	Unknown — not stated by the source	Yes
Front panel connectorKnown for one	Unknown — not stated by the source	Yes
ATX Power connector (24-pin)Known for one	Unknown — not stated by the source	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectorsDiffers	2	1
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Serial port headersKnown for one	Unknown — not stated by the source	1
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports5 differ
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4	4
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 quantityDiffers	1	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantityDiffers	0	1
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantityDiffers	0	1
HDMI ports quantityDiffers	0	1
DVI-D ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
DVI-I ports quantityKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Digital audio optical outKnown for one	0	Unknown — not stated by the source
COM ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
WiFi-AP antenna jackKnown for one	0	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
LAN controllerDiffers	Intel® I219-V	Realtek RTL8111H
Wi-FiKnown for one	Unknown — not stated by the source	No
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Features3 differ
Component for	PC	PC
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel® X299	Intel® B250
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Windows operating systems supportedDiffers	Windows 10	Yes
Expansion slots1 differ
PCI Express x1 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	2
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
Number of M.2 (M) slotsDiffers	2	1
BIOS1 differ
BIOS typeDiffers	UEFI AMI	UEFI
Clear CMOS jumper	Yes	Yes
BIOS memory sizeKnown for one	128 Mbit	Unknown — not stated by the source
ACPI versionKnown for one	6.0	Unknown — not stated by the source
Processor special featuresidentical
Intel Extreme Memory Profile (XMP)Known for one	Unknown — not stated by the source	Yes
Intel® Optane™ Memory ReadyKnown for one	Unknown — not stated by the source	Yes
Intel® Optane™ Memory module installedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	305 mm	185 mm
DepthDiffers	244 mm	226 mm
Other featuresidentical
Serial port via internal headerKnown for one	Unknown — not stated by the source	Yes
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source

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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