Scan code: LN107133 Manufacturer code: PRIME Z490-A

ASUS PRIME Intel Z490-A 10th Gen ATX Motherboard

ASUS PRIME Z490-A, Intel Z490, S 1200, DDR4, SATA3, Dual M.2, SLI/CrossFire, Intel 2.5GbE, ATX

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Scan code: LN107133 Manufacturer code: PRIME Z490-A
Order now and receive it by Wednesday, 22nd September
From £10.08 / month (APR 14.9%)
Monthly Payment: £18.86
Instalment Rate: 14.9% p.a. (fixed)
Cost of purchase: £209.99
Total inc. interest: £226.20
Monthly Payment: £10.08
Instalment Rate: 14.9% p.a. (fixed)
Cost of purchase: £209.99
Total inc. interest: £241.91
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  • SCANPROTECT Protect against installation damage for 28 days. More info

    ScanProtect is an enhanced warranty specifically designed and offered by Scan to reduce the risk of any mishap or damage to components during installation.

    Our aim with ScanProtect is to encourage our customers to upgrade or build their own PC confidently. For a small additional fee our customers are provided with complete peace of mind.

  • 48HR REPLACEMENT If you need to return this item, your replacement will be dispatched within 2 working days of your product arriving back at Scan. More info
Frequently Bought Together

Prime Z490-A 10th Generation Intel ATX Motherboard from ASUS

Newest Addition to the Prime Series Introducing the ASUS Prime Z490-A ATX Motherboard, expertly engineered to unleash the full potential of your 10th generation Intel processor. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime Z490 series motherboards are perfect for both daily users and DIY PC builders and with a superb range of performance tuning options via intuitive software and firmware features you can tweak and tune this outstanding motherboard to suit you.

Intel Z490Chipset

LGA 1200CPU Socket

ATXForm Factor

Tune it Your Way with ASUS AI Overclocking

Comprehensive AI Tuning suite Get the most out of your build with the ASUS AI Overclocking suite by automatically profiling your CPU and cooling system to predict optimal voltage and frequency settings. Accessible via the AI Suite software in Windows or directly through the UEFI, this intuitive AI Overclocking user interface enables users of all levels to optimise their setup how they see fit with a range of customizable settings for seasoned overclockers, or a simple auto-tuning option is available for beginners.

Expert Design

Designed by ExpertsAt the heart of AI Overclocking is an algorithm developed by a mixture of ROG research and development engineers and world-renowned overclockers to ensure the tool is suitable for users of all levels.

Predictive algorithm

Predictive EdgeThe AI Overclocking algorithm automatically analyses your CPU and cooling system to predict the optimal setting for your system. The software then uses these settings to automatically guide the clocking process, balancing frequency and voltage.

Real Time Adjustments

Real-Time AdjustmentsThe software monitors workload, system temperature, fan speed and power draw every minute and it makes real-time adjustments to ensure ongoing optimal performance.

Intelligent 5-way Optimisation

Overclocking made easier With a simple click ASUS 5-Way Optimization makes your PC smarter, it dynamically optimises essential aspects of your system, providing overclocking and cooling profiles that are tailored for your rig.

TurboV processing unit

CPU Performance BoostThe TurboV Processing Unit (TPU) is an intelligent system-tuning utility that can automatically fine-tune voltages, monitor system statistics, and adjust overclocking parameters for optimal performance.

Energy Efficiency

All-Around Energy efficiency The Energy Processing Unit (EPU) automatically optimises your power consumption and maximizes energy savings with a simple Away mode — a smart setting that creates an extreme energy-saving scenario by shutting down any unused I/O controllers.

Fan Expert 4

Flexible Air and Liquid Cooling ControlFan Xpert 4 software provides you with comprehensive control over fans, water pumps and all-in-one (AiO) coolers. Whether cooling with air or water, an Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces all fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans, water pumps and AiO coolers can also be controlled via the UEFI BIOS.

Digital Power Control

Precise Digital Power ControlThe Digi+ voltage-regulator module (VRM) gives real-time control over voltage drop, automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for ultimate stability and performance.

Application optimisation

Application Specific OptimisationTurbo App allows you to define CPU overclocking, apply fan profiles, prioritize network data and optimize audio settings at the app level, so your system is set up exactly as needed.

World Renowned UEFI BIOS

Not just for veteransThe renowned ASUS UEFI BIOS provides everything you need to configure, tweak and tune your system. It offers intelligently simplified options for PC DIY beginners, as well as comprehensive features for seasoned veterans.

Advanced Mode

Advanced Mode An intuitive Advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options, and various Advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want.

Easy Mode

EZ(Easy) ModeEZ mode displays vital settings and stats and also offers guided wizards, drag-and-drop functionality, and one-click application of important settings — all to help you get your rig up and running in no time.

Artificially Intelligent Cooling

Self-Adaptive Fan Tuning ASUS AI Cooling function will automatically manage and control motherboard-connected fans to ensure optimal settings based on current system load and temperature.

CPU Temp Detection

Processor Temperature DetectionAI Cooling detects CPU temperatures and uses a proprietary algorithm to check the lowest fan speed required to effectively cool the system and keep fan noise and demand down.

Constant Monitoring

Constant MonitoringAI Cooling continues to monitor the system and adjust fan speed based on current demand.

Automated Optimisation

Automated OptimisationUnder stable system loads, the software then automatically lowers fan* speed to the optimal setting, decreasing fan noise without compromising performance.

Please Note

*Fans need to be connected to the following headers for AI Cooling control: CPU_FAN / CPU_OPT / CHA_FAN / M.2_FAN / H_AMP / RAD_FAN

Incredible Performance Needs Incredible Cooling

M.2 Heatsink

M.2 HeatsinkAn M.2 drive sits under a passive heatsink to ward off the throttling that can occur with continuous transfers. The heatsink is fixed in place by easily-removable captive screws, giving you the flexibility to move it to another M.2 slot.

VRM Heatsink

VRM Heatsink Two massive VRM heatsinks with underneath thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance. A bundled fan holder provides additional cooling options.

Get the Best Out of your Board

Robust Power Design

Robust Power DesignWith the Prime Series Z490 Motherboards ASUS have recognised that stable power is essential to squeeze every last drop of performance from your 10th Gen Intel CPU, the Prime Z490 is built to cater to the demands of high-core count CPUS with the addition of ProCool connectors that augment the motherboard's link to the PSU with 8+4 pin connectors that pass 12 volts of power directly to the processors and 12+2 DrMOS Power Stages that are capable of delivering the power and efficiency that the latest generation of intel CPUs Demand.

Optimise your Memory with ASUS OptiMem II

Optimem II

Revisions to Trace Routing The Z490 Prime Motherboards now provide unrestricted access to memory bandwidth for 10th Gen CPUs by making some revisions to the motherboards trace routing. ASUS OptiMem II technology carefully maps memory signal pathways across different PCB layers to reduce vias and adds shielding zones that significantly reduce crosstalk.

Lightning Fast Storage with Dual M.2

Dual m.2

Faster booting and app load times Dual M.2 slots support data-transfer speeds of up to 32 Gbps via x4 PCI Express® 3.0 bandwidth, enabling quicker boot-up and app load times with OS or application drives.

ASUS SafeSlot Protection

safe slot core

PREMIUM ASUS TECHNOLOGY SafeSlot Core is the ASUS-exclusive PCIe® slot. Featuring a fortified design that's anchored to the motherboard by a special hook, Safeslot Core provides 1.6X-stronger retention and 1.3X-greater shearing resistance than standard expansion slots. ASUS Prime motherboards have strengthened solder points around both the PCIe and DIMM pins.

Outshine the Competition with ASUS Aura Sync

Your Motherboard, Your Way A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for the built-in RGB LEDs as well as strips and devices connected to the onboard RGB headers - and it can all be synced with an ever-growing portfolio of Aura-capable hardware.



Colour cycle

Colour Cycle

CPU Temp

CPU Temperature

EQ Effect


Rainbow Effect


Stars Effect

Starry Night

Static Effect


Strobing Effect


Connections at your Fingertips

Comprehensive IO Panel

Discover the Features of the Prime Z490-A Motherboard

Prime Z490-A Gaming Video
Core Specifications
Edition PRIME Z490-A
Form Factor ATX
CPU Socket 1200
Chipset Intel Z490
RAM Memory Support
Memory Type DDR4
Memory Channel Dual (2)
Memory Type (ECC) Non-ECC
Memory Type (R/U) UDIMM (Unbuffered)
Memory Speed (Mhz)
  • DDR4 - 2133
  • DDR4 - 2400
  • DDR4 - 2666
  • DDR4 - 2800(OC)
  • DDR4 - 2933(OC)
  • DDR4 - 3000(OC)
  • DDR4 - 3200(OC)
  • DDR4 - 3333(OC)
  • DDR4 - 3400(OC)
  • DDR4 - 3466(OC)
  • DDR4 - 3733(OC)
  • DDR4 - 3866(OC)
  • DDR4 - 4000(OC)
  • DDR4 - 4133(OC)
  • DDR4 - 4266(OC)
  • DDR4 - 4400(OC)
  • DDR4 - 4500(OC)
  • DDR4 - 4600(OC)
Max. Memory Capacity 128GB
Audio Realtek ALC S1220A 7.1 HD Audio + Crystal Sound 3
Graphics Support
Primary GPU Interface PCIe 3.0 (x16)
NVIDIA SLI Support 2-Way SLi
AMD CrossFire Support 3-Way CrossFire
Integrated Graphics Requires Processor Graphics or Discrete GPU
On-Board Graphics Connectors
  • DisplayPort 1.4
  • HDMI 1.4b
Internal Connectivity
Expansion Slots
  • 1 x M.2, 22-42/60/80/110, PCIe Gen2x4
  • 1 x M.2, 22-42/60/80/110, PCIe Gen3/SATA
  • 3 x PCIe 3.0 x1
  • 3 x PCIe 3.0 x16
SATA Support SATA3
RAID Support via Intel® SATA RAID 0/1/10/5
Storage Mode Support
  • RAID 0
  • RAID 1
  • RAID 10
  • RAID 5
Internal I/O
  • 1 x 24-pin (Power)
  • 1 x 4-pin (Power)
  • 1 x 4-pin AIO Pump Connector
  • 2 x 4-pin CHA_FAN connector
  • 1 x 4-pin CPU Fan Connector
  • 1 x 4-pin CPU OPT Fan Connector
  • 1 x 4-pin M.2_FAN connector
  • 1 x 8-pin (Power)
  • 2 x Aura Addressable Gen2 Header
  • 2 x Aura RGB Strip Headers
  • 1 x Clear CMOS Header
  • 1 x CPU_OV jumper
  • 1 x Front Panel Audio Header
  • 1 x M.2 Socket 1 with E key, type 2230 Wi-Fi devices
  • 1 x Power button
  • 6 x SATA III - 6Gb/s
  • 1 x Serial (COM) Header
  • 1 x System Panel Connector with Chassis Intrusion
  • 1 x Temperature Sensor Header
  • 1 x Thunderbolt header
  • 2 x USB 2.0 Header
  • 1 x USB 3.2 Gen1 Header
  • 1 x USB 3.2 Gen2 Type-C Front Panel Header
  • 1 x Water Pump Header
External Connectivity
Network Interface Type Wired 2.5 Gigabit LAN (10/100/1000/2500)
Network Chip/Modules 1 x Intel (2.5GbE LAN)
Rear I/O Connectors
  • 1 x 10/100/1000/2500 (LAN)
  • 1 x 5.1 Audio I/O
  • 1 x DisplayPort
  • 1 x HDMI
  • 1 x S/PDIF-Out (Optical)
  • 2 x USB 2.0
  • 2 x USB 3.2 Gen1 Type-A
  • 3 x USB 3.2 Gen2 Type-A
  • 1 x USB 3.2 Gen2 Type-C
Additional Specifications
Water Cooled No
Cooling Passive Heatsinks
QPI Speed N/A
Board Dimensions 305 x 244 mm
Additional Information
Scan Code LN107133
Model Number PRIME Z490-A
GTIN 4718017678674

Please note your statutory rights are not affected.

For further information regarding Scan's warranty procedure please see our terms and conditions

36 months
Return to base
DOA Period:
28 days
Manufacturer Contact Details
01442 265548
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ASUS PRIME Z490-A, Intel Z490, S 1200, DDR4, SATA3, Dual M.2, SLI/CrossFire, Intel 2.5GbE, Thunderbolt 3, ATX is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from Yet another solid board from Asus This is my third build using a high-end Asus board, and the fact that I have decided on Asus again probably says all that needs to be said. All three computers are still in use and, barring the replacement of the on-board battery on the oldest, I have never had a mobo problem with any of them. Build quality is excellent - the Z490 has a solidity to it that makes you feel confident when fitting components and connectors. There's plenty of clearance for a third party cooling solution - a big plus if you want to upgrade memory later on. Note though that you will need to have 8+4 CPU power connectors to overclock this board. Two niggles: Asus no longer supply a comprehensive manual in the box - the cut-down one is fine for assembly, but it's half the size of the manuals that came with my previous boards. And why supply two straight and one right-angle SATA leads? With optical drives on the way out, surely it makes more sense to provide three straight leads as they are easier to connect to SSDs and HDDs.
Date published: 2020-07-29
Rated 5 out of 5 by from Does what is says on the tin! I purchased these motherboard to replace a lab/test machine i've had for about four years. I upgrade the motherboard and CPU to a new i9. It works really well with the noctua NH-D15 cooler. The box is running esxi 6.7 with 128 GB ram. Works a treat! It would probably be a good gaming pc but needed it more for the heavy lifting of running dev VM's. Finding hardware on the vmware support list is actually pretty difficult, the website doesn't work too well, but this is defo supported.
Date published: 2020-07-24
Rated 5 out of 5 by from A solid board, with all the best features Previously using a z170 Asus board, this I'm happy to say is more of the same quality I've come to expect from Asus. The board looks great and out of the other z490 boards this one is more reasonably priced with a feature set that's hard to beat for the money. If you want to spend around £200-300 for an ATX z490, and you don't care for the ROG branding, this is the board to get.
Date published: 2020-06-16
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ASUS PRIME Intel Z490-A 10th Gen ATX Motherboard
ASUS PRIME Intel Z490-A 10th Gen ATX Motherboard