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Product comparison · 2 motherboards

ASUS P9A-I/C2550/4L Mini-ITX vs ASUS X99-Pro/USB 3.1

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  • 21specifications compared
  • 16differ
  • 5identical
  • 52known for one product only

Key differences

  • Supported memory types
    • DDR3-SDRAM
    • DDR4-SDRAM
  • ECC сompatibility
    • ECC
    • Non-ECC
  • Maximum internal memory
    • 32 GB
    • 64 GB
  • USB 2.0 connectors
    • 0
    • 2
  • USB 2.0 ports quantity
    • 2
    • 4
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 0
    • 4
  • Ethernet LAN (RJ-45) ports
    • 5
    • 1
  • PS/2 ports quantity
    • 0
    • 1

Side by side

Differences highlightedShow differences only
73 specifications
A

ASUS

P9A-I/C2550/4L Mini-ITX

Model P9A-I/C2550/4L

View product
B

ASUS

X99-Pro/USB 3.1View product
Processoridentical
Processor manufacturerIntelIntel
Processor socketKnown for oneLGA 2011-v3
Compatible processor seriesKnown for oneIntel® Core™ i7
Memory4 differ
Supported memory typesDiffersDDR3-SDRAMDDR4-SDRAM
Number of memory slotsKnown for one8
Memory slots typeKnown for oneDIMM
Memory channelsKnown for oneQuad-channel
ECC сompatibilityDiffersECCNon-ECC
Supported memory clock speedsDiffers1333,1600 MHz2400,2666,2800,3000,3200,3300 MHz
Maximum internal memoryDiffers32 GB64 GB
Unbuffered memoryKnown for oneYes
Storage controllersidentical
Supported storage drive interfacesSATA IIISATA III
RAID levelsKnown for one0, 1, 5, 10
Graphicsidentical
Parallel processing technology supportKnown for one3-Way CrossFireX, 3-Way SLI, Quad-GPU CrossFireX, Quad-GPU SLI
On-board graphics card memoryKnown for one32 MB
On-board graphics card modelKnown for oneAspeed AST2300
Internal I/O1 differ
USB 2.0 connectorsDiffers02
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one2
Number of SATA III connectorsKnown for one8
Number of SATA II connectorsKnown for one0
Number of SATA connectorsKnown for one8
S/PDIF out connectorKnown for oneYes
Front panel audio connectorKnown for oneYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectorsKnown for one1
CPU fan connectorKnown for oneYes
Number of chassis fan connectorsKnown for one4
Chassis intrusion connectorYesYes
EPS power connector (8-pin)Known for oneYes
Number of COM connectorsKnown for one1
TPM connectorKnown for oneYes
Serial port headersKnown for one1
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers04
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one2
Ethernet LAN (RJ-45) portsDiffers51
eSATA ports quantityKnown for one0
PS/2 ports quantityDiffers01
Firewire (IEEE 1394) portsKnown for one0
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantityKnown for one0
DVI-D ports quantityKnown for one0
Headphone outputsKnown for one1
Microphone inKnown for oneYes
S/PDIF out portKnown for oneYes
Network1 differ
Ethernet LANYesYes
Ethernet interface typeDiffersFast Ethernet, Gigabit EthernetGigabit Ethernet
LAN controllerKnown for oneIntel® I218-V
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothKnown for oneYes
Bluetooth versionKnown for one4.0
Features1 differ
Component forKnown for onePC
Motherboard form factorDiffersMini-ITXATX
Motherboard chipset familyKnown for oneIntel
Motherboard chipsetKnown for oneIntel® X99
Audio chipKnown for oneRealtek ALC1150
Power source typeKnown for oneATX
Expansion slots2 differ
PCI Express x1 (Gen 2.x) slotsKnown for one2
PCI Express x16 (Gen 2.x) slotsDiffers01
PCI Express x16 (Gen 3.x) slotsDiffers03
PCI Express x8 (Gen 2.x) slotsKnown for one1
PCI Express x8 (Gen 3.x) slotsKnown for one0
BIOSidentical
BIOS typeKnown for oneUEFI
Clear CMOS jumperKnown for oneYes
Weight & dimensions2 differ
WidthDiffers170.2 mm305 mm
DepthDiffers170.2 mm244 mm
Other featuresidentical
EZ plug connectorKnown for oneYes
Supported DIMM module capacitiesKnown for one2GB, 4GB, 8GB, 16GB
Number of DIMM slotsKnown for one2
Operational conditionsidentical
Storage temperature (T-T)Known for one-40 - 70 °C
Operating temperature (T-T)Known for one10 - 35 °C
Storage relative humidity (H-H)Known for one20 - 90%

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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