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ATX motherboard with black PCB silver heatsinks and RGB lighting

ASUS

ASUS PRIME Z490-A Intel motherboard

SKU CH-5VRP-FNW93

ATX Z490 board for 10th and 11th Gen Intel Core CPUs with 12+2 DrMOS power stages, dual M.2, 2.5Gb Ethernet and Thunderbolt 3 header support

  • CPU Socket TypeLGA 1200
  • CPU TypeCore i9 / i7 / i5 / i3 (11th / 10th Gen, LGA1200)
  • Supported CPU TechnologiesTurbo Boost Technology 3.0
  • ChipsetIntel Z490
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 2666
  • Supports 10th and 11th Gen Intel Core processors via LGA 1200 socket
  • Stable power delivery from 12+2 DrMOS power stages and 6-layer PCB
  • Dual M.2 slots and Intel 2.5Gb Ethernet for fast storage and networking
  • Up to 128 GB DDR4 2666 memory across four slots with OptiMem II routing
  • Aura Sync RGB lighting with addressable headers for system personalisation

LGA 1200 Intel Z490 ATX Motherboard

The ASUS Prime Z490-A supports 10th and 11th generation Intel Core processors in the LGA 1200 socket. It provides four DDR4 memory slots with a maximum capacity of 128 GB running in dual-channel mode. The board targets builders who need a full-size ATX platform with robust 12+2 DrMOS power delivery and comprehensive cooling for sustained workloads.

PCIe 3.0 and SATA 6Gb/s Interface Limits

Three PCI Express 3.0 x16 slots handle graphics and add-in cards at the speeds defined by the 3.0 specification. Six SATA 6Gb/s ports connect traditional drives, while two M.2 sockets accept storage modules without guaranteeing a specific protocol. The onboard Intel 2.5 Gb Ethernet controller is limited to 1 Gbps maximum throughput as stated in the specifications.

128 GB DDR4 2666 Maximum Memory Capacity

The four 288-pin slots accept DDR4 modules up to a combined 128 GB at the standard 2666 MT/s rate. This ceiling determines whether the board suits memory-intensive tasks such as content creation or virtualization. Exceeding this limit is not possible, so buyers planning larger memory configurations must select a different platform.

Highlights

  • Supports 10th and 11th Gen Intel Core processors via LGA 1200 socket
  • Stable power delivery from 12+2 DrMOS power stages and 6-layer PCB
  • Dual M.2 slots and Intel 2.5Gb Ethernet for fast storage and networking
  • Up to 128 GB DDR4 2666 memory across four slots with OptiMem II routing
  • Aura Sync RGB lighting with addressable headers for system personalisation

Specifications

BrandASUS
SeriesPrime
ModelPRIME Z490-A
CPU Socket TypeLGA 1200
CPU TypeCore i9 / i7 / i5 / i3 (11th / 10th Gen, LGA1200)
Supported CPU TechnologiesTurbo Boost Technology 3.0
ChipsetIntel Z490
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 2666
Maximum Memory Supported128GB
Channel SupportedDual Channel
PCI Express 3.0 x163 x PCI Express 3.0 x16
Serial ATA (SATA)6 x SATA 6Gb/s
M.22 x M.2
Intel Optane ReadyYes
SATA RAID0/1/5/10
Audio Channels8 Channels
Max LAN Speed1Gbps
HDMI1 x HDMI
RJ451 x RJ45
DisplayPort1 x DisplayPort
USB 1.1/2.02 x USB 2.0
S/PDIF Out1 x Optical
Audio Ports5 Ports
Onboard USB3 x USB 3.2 + 4 x USB 2.0
Windows 11Supported
Form FactorATX
LED LightingRGB
Power Pin24 Pin

Questions about this item

Which memory kit should I pick for the four DDR4 288-pin slots?

The board runs four DDR4 slots in dual-channel mode up to 2666 MT/s and supports a total of 128 GB, so a matched 4-module kit rated at 2666 or higher will fill every slot and run at the rated speed with XMP enabled.

What does the 12+2 DrMOS power-stage design deliver for a 10th or 11th Gen Core i9?

The 14 DrMOS stages feed the CPU through ProCool connectors on a six-layer PCB, giving clean, stable current for sustained all-core turbo on flagship 1200-socket processors without throttling.

How fast is the onboard 2.5 Gb Ethernet compared with the 1 Gb RJ-45 port listed in the specs?

The Intel 2.5 Gb controller provides up to 2.5 Gbps throughput over the single RJ-45 jack, so real-world file transfers can exceed the 1 Gbps ceiling of standard Gigabit LAN when paired with a 2.5 Gb switch or router.

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