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Product comparison · 2 motherboards

ASUS PRIME A520M-K ARGB vs ASUS ROG CROSSHAIR X870E EDITION 20

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  • 61specifications compared
  • 33differ
  • 28identical
  • 42known for one product only

Key differences

The ASUS ROG CROSSHAIR X870E EDITION 20 has 2 more memory slots than the ASUS PRIME A520M-K ARGB (4 vs 2). The ASUS ROG CROSSHAIR X870E EDITION 20 has 192 GB more maximum internal memory than the ASUS PRIME A520M-K ARGB (256 GB vs 64 GB). The ASUS PRIME A520M-K ARGB has 2 more HDDs supported than the ASUS ROG CROSSHAIR X870E EDITION 20 (4 vs 2). Only the ASUS ROG CROSSHAIR X870E EDITION 20 has Wi-Fi. Processor socket: Socket AM4 on the ASUS PRIME A520M-K ARGB, Socket AM5 on the ASUS ROG CROSSHAIR X870E EDITION 20.

  • Processor socket
    • Socket AM4
    • Socket AM5
  • Supported processor sockets
    • Socket AM4
    • Socket AM5
  • Supported memory types
    • DDR4-SDRAM
    • DDR5-SDRAM
  • Number of memory slots
    • 2
    • 4
  • ECC сompatibility
    • ECC
    • ECC & Non-ECC
  • Maximum internal memory
    • 64 GB
    • 256 GB
  • Number of HDDs supported
    • 4
    • 2
  • Number of storage drives supported
    • 5
    • 7

Side by side

Differences highlightedShow differences only
103 specifications
A

ASUS

PRIME A520M-K ARGBView product
B

ASUS

ROG CROSSHAIR X870E EDITION 20View product
Processor3 differ
Processor socketDiffersSocket AM4Socket AM5
Compatible processor seriesDiffersAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 SeriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor socketsDiffersSocket AM4Socket AM5
Memory4 differ
Supported memory typesDiffersDDR4-SDRAMDDR5-SDRAM
Number of memory slotsDiffers24
ECC сompatibilityDiffersECCECC & Non-ECC
Supported memory clock speed (max)Known for one9600 MHz
Maximum internal memoryDiffers64 GB256 GB
Maximum internal memory per slotKnown for one64 GB
Storage controllers4 differ
Supported storage drive interfacesDiffersM.2, SATA IIIM.2, PCI Express 5.0, PCI Express 4.0, SATA III
Number of HDDs supportedDiffers42
Number of storage drives supportedDiffers57
RAID levelsDiffers0, 1, 100, 1, 5, 10
Graphicsidentical
Maximum resolutionKnown for one3840 x 2160 pixels
Internal I/O4 differ
USB 2.0 connectorsDiffers23
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers02
Number of SATA III connectorsDiffers42
Number of EPS power connectors (8-pin)Known for one3
Number of water pump connectorsKnown for one2
Number of RGB LED pin headersDiffers35
S/PDIF out connectorKnown for oneYes
Front panel connectorKnown for oneYes
Number of COM connectorsKnown for one1
TPM connectorKnown for oneYes
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers48
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers04
USB4 Gen 3x2 ports quantityKnown for one2
Ethernet LAN (RJ-45) portsDiffers12
HDMI ports quantityDiffers10
DisplayPort versionKnown for one1.4a
Headphone outputsKnown for one1
Line-inKnown for oneYes
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
PS/2 ports quantityKnown for one1
DisplayPorts quantityKnown for one1
Network3 differ
Ethernet interface typeDiffersGigabit Ethernet10 Gigabit Ethernet
Wi-FiDiffersNoYes
Top Wi-Fi standardDiffersNot availableWi-Fi 7 (802.11be)
Wi-Fi standardsKnown for oneWi-Fi 7 (802.11be)
WLAN controller modelKnown for oneMediaTek MT7927
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.4
Features4 differ
Motherboard form factorDiffersmicro ATXATX
Motherboard chipsetDiffersAMD A520AMD X870E
Audio chipKnown for oneRealtek ALC4082
Product colourDiffersBlack, WhiteBlack
Cooling typeKnown for oneliquid
Power source typeKnown for oneATX
Windows operating systems supportedDiffersWindows 10 x64, Windows 11Windows 11
Expansion slots3 differ
PCI Express x16 (Gen 5.x) slotsKnown for one2
Number of M.2 (M) slotsDiffers15
1st M.2 largest key sizeDiffers228022110
1st M.2 highest PCI Express generationDiffers3.05.0
2nd M.2 largest key sizeKnown for one2280
2nd M.2 highest PCI Express generationKnown for one5.0
3rd M.2 largest key sizeKnown for one2280
3rd M.2 highest PCI Express generationKnown for one4.0
4th M.2 largest key sizeKnown for one2280
4th M.2 highest PCI Express generationKnown for one4.0
5th M.2 largest key sizeKnown for one2280
5th M.2 highest PCI Express generationKnown for one4.0
PCI Express x1 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsKnown for one1
BIOS1 differ
BIOS memory sizeDiffers128 Mbit512 Mbit
Clear CMOS buttonKnown for oneYes
BIOS flashback buttonKnown for oneYes
Weight & dimensions2 differ
WidthDiffers226 mm305 mm
DepthDiffers226 mm277 mm
Packaging contentidentical
Antenna includedKnown for oneYes
Packaging dataidentical
Package widthKnown for one260 mm
Package depthKnown for one270 mm
Package heightKnown for one51.5 mm
Package weightKnown for one804 g

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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