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Product comparison · 2 motherboards

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

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  • 54specifications compared
  • 15differ
  • 39identical
  • 25known for one product only

Key differences

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 PRIME A520M-A II/CSM (1 vs 0). The ASUS TUF GAMING B550M (WI-FI) ZAKU II EDITION has 1 more USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity than the ASUS PRIME A520M-A II/CSM (1 vs 0). The ASUS PRIME A520M-A II/CSM has 1 more VGA (D-Sub) ports quantity than the ASUS TUF GAMING B550M (WI-FI) ZAKU II EDITION (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 on the ASUS PRIME A520M-A II/CSM, AMD Ryzen 3000 Series on the ASUS TUF GAMING B550M (WI-FI) ZAKU II EDITION.

  • Compatible processor series
    • AMD Ryzen™ 3, AMD Ryzen™ 5
    • AMD Ryzen 3000 Series
  • 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
  • VGA (D-Sub) ports quantity
    • 1
    • 0
  • Ethernet interface type
    • Gigabit Ethernet
    • 2.5 Gigabit Ethernet
  • Wi-Fi
    • No
    • Yes

Side by side

Differences highlightedShow differences only
79 specifications
A

ASUS

PRIME A520M-A 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™ 5AMD Ryzen 3000 Series
Maximum number of SMP processorsKnown for one1
Memory1 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityKnown for oneECC
Supported memory clock speedsDiffers2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4100,4133,4400,4466,4600,4800 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 memory128 GB128 GB
Unbuffered memoryKnown for oneYes
Storage controllers1 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2, SATA IIISATA III
RAID supportYesYes
RAID levels0, 1, 100, 1, 10
Number of HDDs supportedKnown for one4
Number of storage drives supportedKnown for one5
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
Audio connectorKnown for oneYes
Front panel audio connectorYesYes
Front panel connectorKnown for oneYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectors22
12V power connectorYesYes
Number of COM connectors11
TPM connectorYesYes
RGB LED pin headerYesYes
S/PDIF out connectorKnown for oneYes
EPS power connector (8-pin)Known for oneYes
Rear panel I/O ports3 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 quantity11
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantity11
HDMI versionKnown for one2.1
DVI-D ports quantity00
DisplayPorts quantity11
DisplayPort versionKnown for one1.2
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
Microphone inKnown for oneYes
USB connector typeKnown for oneUSB Type-A
Network3 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
LAN controllerKnown for oneRealtek RTL8125B
Wake-on-LAN readyKnown for oneYes
Wi-FiDiffersNoYes
Top Wi-Fi standardDiffersNot availableWi-Fi 6 (802.11ax)
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 ALC887 / Realtek 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 slotsKnown for one2
Number of M.2 (M) slotsDiffers12
PCI Express x16 (Gen 3.x) slotsKnown for one1
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers128 Mbit256 Mbit
Clear CMOS jumperKnown for oneYes
Logistics dataidentical
Harmonized System (HS) codeKnown for one84733020
Weight & dimensionsidentical
Width244 mm244 mm
Depth244 mm244 mm
Packaging contentidentical
Cables includedKnown for oneSATA

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