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Product comparison · 2 motherboards

ASUS PRO A520M-C II/CSM vs ASUS TUF GAMING B550M (WI-FI) ZAKU II EDITION

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  • 55specifications compared
  • 20differ
  • 35identical
  • 34known for one product only

Key differences

The ASUS TUF GAMING B550M (WI-FI) ZAKU II EDITION has 2 more memory slots than the ASUS PRO A520M-C II/CSM (4 vs 2). The ASUS TUF GAMING B550M (WI-FI) ZAKU II EDITION has 64 GB more maximum internal memory than the ASUS PRO A520M-C II/CSM (128 GB vs 64 GB). The ASUS TUF GAMING B550M (WI-FI) ZAKU II EDITION has 1 more USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity than the ASUS PRO A520M-C II/CSM (1 vs 0). Only the ASUS TUF GAMING B550M (WI-FI) ZAKU II EDITION has Wi-Fi. Compatible processor series: AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7 on the ASUS PRO A520M-C II/CSM, AMD Ryzen 3000 Series on the ASUS TUF GAMING B550M (WI-FI) ZAKU II EDITION.

  • Number of memory slots
    • 2
    • 4
  • Maximum internal memory
    • 64 GB
    • 128 GB
  • Supported storage drive interfaces
    • M.2, SATA III
    • SATA III
  • Parallel processing technology support
    • Not supported
    • 2-Way CrossFireX
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
    • 0
    • 1
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
    • 0
    • 1
  • PS/2 ports quantity
    • 2
    • 1
  • VGA (D-Sub) ports quantity
    • 1
    • 0

Side by side

Differences highlightedShow differences only
89 specifications
A

ASUS

PRO A520M-C II/CSMView product
B

ASUS

TUF GAMING B550M (WI-FI) ZAKU II EDITIONView product
Processor1 differ
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesDiffersAMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7AMD Ryzen 3000 Series
Maximum number of SMP processors11
Supported processor socketsKnown for oneSocket AM4
Memory3 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityECCECC
Supported memory clock speedsDiffers2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4400,4600 MHz2133,2400,2666,2800,2933,3000,3200,3333,3400,3466,3600,3733,3866,4000,4133,4200,4266,4333,4400,4466,4600,4800,4866 MHz
Maximum internal memoryDiffers64 GB128 GB
Unbuffered memoryKnown for oneYes
Storage controllers1 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2, SATA IIISATA III
Number of storage drives supportedKnown for one5
RAID supportYesYes
RAID levels0, 1, 100, 1, 10
Graphics1 differ
Parallel processing technology supportDiffersNot supported2-Way CrossFireX
Internal I/Oidentical
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
USB 3.2 Gen 2 (3.1 Gen 2) connectors00
Number of SATA III connectors44
Front panel audio connectorYesYes
Front panel connectorYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectorsKnown for one1
CPU fan connectorYesYes
Number of chassis fan connectors22
EPS power connector (8-pin)Known for oneYes
Parallel connectorKnown for oneYes
Serial port headersKnown for one1
Audio connectorKnown for oneYes
12V power connectorKnown for oneYes
Number of COM connectorsKnown for one1
TPM connectorKnown for oneYes
RGB LED pin headerKnown for oneYes
Rear panel I/O ports5 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers01
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
Ethernet LAN (RJ-45) ports11
PS/2 ports quantityDiffers21
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantity11
DVI-D ports quantityDiffers10
DisplayPorts quantity11
Headphone outputsKnown for one1
Microphone inKnown for oneYes
COM ports quantityKnown for one1
USB connector typeKnown for oneUSB Type-A
HDMI versionKnown for one2.1
DisplayPort versionKnown for one1.2
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
Network3 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
Wi-FiDiffersNoYes
Top Wi-Fi standardDiffersNot availableWi-Fi 6 (802.11ax)
LAN controllerKnown for oneRealtek RTL8125B
Wake-on-LAN readyKnown for oneYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.1
Features2 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD A520AMD B550
Audio chipDiffersRealtek ALC897Realtek ALC S1200A
Audio output channels7.1 channels7.1 channels
Windows operating systems supportedWindows 10 x64Windows 10 x64
Expansion slots2 differ
PCI Express x1 (Gen 3.x) slotsDiffers21
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI slotsKnown for one1
Number of M.2 (M) slotsDiffers12
PCI Express x16 slotsKnown for one2
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers128 Mbit256 Mbit
Clear CMOS jumperYesYes
Packaging dataidentical
Package widthKnown for one270 mm
Package depthKnown for one263 mm
Package heightKnown for one51.5 mm
Package weightKnown for one910 g
Weight & dimensions1 differ
Width244 mm244 mm
DepthDiffers229 mm244 mm
Packaging contentidentical
Cables includedSATASATA
Drivers includedKnown for oneYes
Logistics dataidentical
Harmonized System (HS) codeKnown for one84733020

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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