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Product comparison · 2 motherboards

ASUS F1A55-M LK R2.0 vs ASUS M5A99FX PRO R2.0

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  • 56specifications compared
  • 21differ
  • 35identical
  • 20known for one product only

Key differences

The ASUS M5A99FX PRO R2.0 has 2 more memory slots than the ASUS F1A55-M LK R2.0 (4 vs 2). The ASUS M5A99FX PRO R2.0 has 1 more USB 2.0 connectors than the ASUS F1A55-M LK R2.0 (3 vs 2). The ASUS M5A99FX PRO R2.0 has 2 more chassis fan connectors than the ASUS F1A55-M LK R2.0 (3 vs 1). Only the ASUS F1A55-M LK R2.0 has on-board graphics card. Processor socket: Socket FM1 on the ASUS F1A55-M LK R2.0, Socket AM3+ on the ASUS M5A99FX PRO R2.0.

  • Processor socket
    • Socket FM1
    • Socket AM3+
  • Number of memory slots
    • 2
    • 4
  • ECC сompatibility
    • Non-ECC
    • ECC & Non-ECC
  • Supported storage drive interfaces
    • SATA II
    • SATA III
  • On-board graphics card
    • Yes
    • No
  • USB 2.0 connectors
    • 2
    • 3
  • Number of chassis fan connectors
    • 1
    • 3
  • USB 2.0 ports quantity
    • 4
    • 8

Side by side

Differences highlightedShow differences only
76 specifications
A

ASUS

F1A55-M LK R2.0View product
B

ASUS

M5A99FX PRO R2.0View product
Processor2 differ
Processor socketDiffersSocket FM1Socket AM3+
Compatible processor seriesDiffersAMD A, AMD E2AMD Phenom II X2, AMD Phenom II X3, AMD Phenom II X4, AMD Phenom II X6, AMD Phenom II X8
Memory2 differ
Number of memory slotsDiffers24
ECC сompatibilityDiffersNon-ECCECC & Non-ECC
Storage controllers1 differ
Supported storage drive interfacesDiffersSATA IISATA III
RAID levelsKnown for one0, 1, 10, JBOD
Graphics2 differ
Parallel processing technology supportDiffersLucidLogix VirtuQuad-GPU CrossFireX, Quad-GPU SLI
On-board graphics cardDiffersYesNo
Graphics cardKnown for oneRadeon HD 6000
Maximum resolutionKnown for one1920 x 1200 pixels
DirectX versionKnown for one11
Internal I/O2 differ
USB 2.0 connectorsDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one1
Number of SATA III connectorsKnown for one7
S/PDIF out connectorKnown for oneYes
Number of chassis fan connectorsDiffers13
EPS power connector (8-pin)Known for oneYes
TPM connectorKnown for oneYes
Number of SATA II connectorsKnown for one4
Rear panel I/O ports1 differ
USB 2.0 ports quantityDiffers48
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2
eSATA ports quantityKnown for one1
Digital audio optical outKnown for one1
VGA (D-Sub) ports quantityKnown for one1
DVI-D ports quantityKnown for one1
Networkidentical
LAN controllerKnown for oneRealtek RTL8111F
Features3 differ
Motherboard form factorDiffersmicro ATXATX
Motherboard chipsetDiffersAMD A55AMD 990FX
Motherboard southbridgeKnown for oneAMD SB950
Audio chipDiffersRealtek ALC887Realtek ALC892
Compatible operating systemsKnown for oneWindows 7 Windows 8
Expansion slots2 differ
PCI Express x16 slotsDiffers14
PCI Express configurationsDiffers1x1, 1x161x1, 2x4, 2x16
BIOSidentical
Clear CMOS jumperKnown for oneYes
Weight & dimensions2 differ
WidthDiffers226 mm305 mm
DepthDiffers186 mm244 mm
Packaging content1 differ
Cables includedDiffersSATACrossFire, SATA
Other features3 differ
Controller 2nd interface typeKnown for oneASMedia
Controller interface typeDiffersAMD A55AMD SB950
Audio outputDiffers36
PCI Express slots quantityDiffers25

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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