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Product comparison · 2 motherboards

ASUS PRIME B840M-R vs ASUS ROG CROSSHAIR 2006

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  • 61specifications compared
  • 32differ
  • 29identical
  • 39known for one product only

Key differences

The ASUS ROG CROSSHAIR 2006 has 2 more memory slots than the ASUS PRIME B840M-R (4 vs 2). The ASUS ROG CROSSHAIR 2006 has 128 GB more maximum internal memory than the ASUS PRIME B840M-R (256 GB vs 128 GB). The ASUS ROG CROSSHAIR 2006 has 3 more storage drives supported than the ASUS PRIME B840M-R (9 vs 6). Only the ASUS ROG CROSSHAIR 2006 has Wi-Fi. ECC сompatibility: Non-ECC on the ASUS PRIME B840M-R, ECC & Non-ECC on the ASUS ROG CROSSHAIR 2006.

  • Number of memory slots
    • 2
    • 4
  • ECC сompatibility
    • Non-ECC
    • ECC & Non-ECC
  • Maximum internal memory
    • 128 GB
    • 256 GB
  • Number of storage drives supported
    • 6
    • 9
  • USB 2.0 connectors
    • 2
    • 3
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 1
    • 2
  • Number of chassis fan connectors
    • 2
    • 4
  • USB 2.0 ports quantity
    • 2
    • 0

Side by side

Differences highlightedShow differences only
100 specifications
A

ASUS

PRIME B840M-RView product
B

ASUS

ROG CROSSHAIR 2006View product
Processor1 differ
Compatible processor seriesDiffersAMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 SeriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor socketsKnown for oneSocket AM5
Memory3 differ
Number of memory slotsDiffers24
ECC сompatibilityDiffersNon-ECCECC & Non-ECC
Maximum internal memoryDiffers128 GB256 GB
Supported memory clock speed (max)Known for one7600 MHz
Storage controllers1 differ
Number of storage drives supportedDiffers69
Internal I/O3 differ
USB 2.0 connectorsDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers12
USB 3.2 Gen 2x2 connectorsKnown for one2
Front panel connectorKnown for oneYes
Number of chassis fan connectorsDiffers24
Number of temperature sensor headersKnown for one1
RGB LED pin headerKnown for oneYes
Number of RGB LED pin headersKnown for one3
S/PDIF out connectorKnown for oneYes
Number of CPU fan connectorsKnown for one1
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 quantityDiffers40
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers06
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers03
USB4 Gen 3x2 ports quantityKnown for one2
Ethernet LAN (RJ-45) portsDiffers12
S/PDIF out portKnown for oneYes
WiFi-AP antenna jackKnown for one1
PS/2 ports quantityKnown for one1
DisplayPorts quantityKnown for one1
Headphone outputsKnown for one1
Line-inKnown for oneYes
Microphone inKnown for oneYes
USB connector typeKnown for oneUSB Type-A
Network3 differ
Ethernet interface typeDiffersGigabit Ethernet5 Gigabit Ethernet, 10 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 B840AMD X870E
Audio chipKnown for oneRealtek ALC4082
Product colourDiffersMulticolourBlack, Gold
Power source typeKnown for oneATX
Windows operating systems supportedDiffersWindows 11, Windows 10 x64Windows 11
Expansion slots3 differ
PCI Express x16 (Gen 4.x) slotsDiffers12
PCI Express x16 (Gen 5.x) slotsKnown for one2
Number of M.2 (M) slotsDiffers25
1st M.2 largest key sizeDiffers228022110
1st M.2 highest PCI Express generationKnown for one5.0
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 one2230
5th M.2 highest PCI Express generationKnown for one4.0
BIOS1 differ
BIOS memory sizeDiffers256 Mbit512 Mbit
Packaging data4 differ
Package widthDiffers260 mm370 mm
Package depthDiffers270 mm312 mm
Package heightDiffers51.5 mm108 mm
Package weightDiffers924 g5.57 kg
Weight & dimensions3 differ
WidthDiffers236 mm305 mm
DepthDiffers229 mm244 mm
HeightDiffers36.5 mm50 mm
Packaging contentidentical
Antenna includedKnown for oneYes
Cables includedKnown for oneSATA
Screws includedKnown for oneYes
Other features1 differ
WeightDiffers563 g2.51 kg

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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