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Product comparison · 2 motherboards

ASUS PRIME B840M-R vs GIGABYTE MZ73-LM2 Socket SP5 Extended ATX

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  • 38specifications compared
  • 22differ
  • 16identical
  • 45known for one product only

Key differences

The GIGABYTE MZ73-LM2 Socket SP5 Extended ATX has 22 more memory slots than the ASUS PRIME B840M-R (24 vs 2). The ASUS PRIME B840M-R has 2 more storage drives supported than the GIGABYTE MZ73-LM2 Socket SP5 Extended ATX (6 vs 4). The ASUS PRIME B840M-R has 2 more USB 2.0 connectors than the GIGABYTE MZ73-LM2 Socket SP5 Extended ATX (2 vs 0). Processor socket: Socket AM5 on the ASUS PRIME B840M-R, Socket SP5 on the GIGABYTE MZ73-LM2 Socket SP5 Extended ATX. Supported storage drive interfaces: M.2, SATA III on the ASUS PRIME B840M-R, M.2, SlimSAS on the GIGABYTE MZ73-LM2 Socket SP5 Extended ATX.

  • Processor socket
    • Socket AM5
    • Socket SP5
  • Number of memory slots
    • 2
    • 24
  • Supported storage drive interfaces
    • M.2, SATA III
    • M.2, SlimSAS
  • Number of storage drives supported
    • 6
    • 4
  • USB 2.0 connectors
    • 2
    • 0
  • Number of SATA III connectors
    • 4
    • 0
  • Number of CPU fan connectors
    • 1
    • 2
  • USB 2.0 ports quantity
    • 2
    • 0

Side by side

Differences highlightedShow differences only
83 specifications
A

ASUS

PRIME B840M-RView product
B

GIGABYTE

MZ73-LM2 Socket SP5 Extended ATX

Model MZ73-LM2

View product
Processor2 differ
Processor socketDiffersSocket AM5Socket SP5
Compatible processor seriesDiffersAMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 SeriesAMD EPYC 9004, AMD EPYC 9005
Memory1 differ
Number of memory slotsDiffers224
Memory channelsKnown for oneDual-channel
ECC сompatibilityKnown for oneNon-ECC
Supported memory clock speed (max)Known for one7600 MHz
Maximum internal memoryKnown for one128 GB
Unbuffered memoryKnown for oneYes
Supported memory clock speedsKnown for one4800 MHz
Storage controllers2 differ
Supported storage drive typesKnown for oneHDD & SSD
Supported storage drive interfacesDiffersM.2, SATA IIIM.2, SlimSAS
Number of HDDs supportedKnown for one4
Number of storage drives supportedDiffers64
RAID supportKnown for oneYes
RAID levelsKnown for one0, 1, 5, 10
Graphicsidentical
Parallel processing technology supportKnown for oneNot supported
On-board graphics card modelKnown for oneAspeed AST2600
Internal I/O3 differ
USB 2.0 connectorsDiffers20
Number of SATA III connectorsDiffers40
S/PDIF out connectorKnown for oneYes
Front panel audio connectorKnown for oneYes
Number of CPU fan connectorsDiffers12
Number of chassis fan connectorsKnown for one2
12V power connectorKnown for oneYes
Number of COM connectorsKnown for one1
Front panel connectorKnown for oneYes
Number of EPS power connectors (8-pin)Known for one2
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers42
Ethernet LAN (RJ-45) portsDiffers12
PS/2 ports quantityKnown for one1
VGA (D-Sub) ports quantityDiffers01
HDMI ports quantityDiffers10
DisplayPorts quantityKnown for one1
Headphone outputsKnown for one1
Line-inKnown for oneYes
Microphone inKnown for oneYes
USB connector typeKnown for oneUSB Type-A
COM ports quantityKnown for one1
Networkidentical
Top Wi-Fi standardKnown for oneNot available
LAN controllerKnown for oneBroadcom BCM57416
Features3 differ
Component forDiffersPCServer
Motherboard form factorDiffersmicro ATXExtended ATX
Motherboard chipset familyKnown for oneAMD
Motherboard chipsetKnown for oneAMD B840
Audio output channelsKnown for one7.1 channels
Product colourDiffersMulticolourBlue
Windows operating systems supportedKnown for oneWindows 11, Windows 10 x64
Power source typeKnown for oneATX
Expansion slots1 differ
PCI Express x1 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 4.x) slotsDiffers14
Number of M.2 (M) slotsKnown for one2
1st M.2 largest key sizeKnown for one2280
BIOSidentical
BIOS typeKnown for oneUEFI AMI
BIOS memory sizeKnown for one256 Mbit
Packaging data3 differ
Package widthDiffers260 mm409 mm
Package depthDiffers270 mm355 mm
Package heightDiffers51.5 mm78 mm
Package weightKnown for one924 g
Weight & dimensions2 differ
WidthDiffers236 mm304.8 mm
DepthDiffers229 mm335.2 mm
HeightKnown for one36.5 mm
Other featuresidentical
WeightKnown for one563 g
Operational conditionsidentical
Storage temperature (T-T)Known for one10 - 40 °C
Operating temperature (T-T)Known for one-40 - 60 °C
Operating relative humidity (H-H)Known for one8 - 80%
Storage relative humidity (H-H)Known for one20 - 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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