The Intel Z490 Overview: 40+ Motherboards Examined

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After another long wait for a new Intel platform, Comet Lake and the 400 series finally descends. Here we get a new socket, support for up to 10-cores with its flagship Core i9-10900K/KF processors, and a few interesting adjustments on ethernet, Wi-Fi. Scrambling to be the latest and greatest, some motherboard vendors include support for PCIe 4.0 ‘for a future platform’, which some have outright identified as Rocket Lake. We asked every motherboard vendor for specifications and details on their new product lines.

This article is a work in progress, and although we have a lot of the information, new information is coming in at a rapid pace. We will endeavour to keep this Z490 Overview updated frequently with new boards, MSRP pricing, and new models that get announced.

The Intel Z490 Chipset: New Socket LGA1200

Due to the new increased power requirements of the top-end 10 core Intel processors, Intel has changed the socket once again, moving from the LGA115x family onto LGA1200. The physical dimensions of the CPU package have not changed, and all LGA115x coolers will work in the new sockets, but it does mean that these new processors won’t work in old motherboards. Instead, we get a new family of 400 series, with the flagship Z490 being at the forefront of all the motherboard manufacturers’ marketing materials/

From Intel, the key difference for Z490 comes in networking. Integrated into the Z490 chipset is an Intel Wi-Fi 6 CNVi which allows motherboard vendors to integrate its AX200 wireless solutions directly from the chipset with a CRF module. On Z390, this was limited to 802.11ac / Wi-Fi 5, but Intel has stepped up its game with Wi-Fi 6. Motherboard vendors still need to purchase the CRF. In a similar vein, the chipset now supports a 2.5 gigabit ethernet connection through single PCIe 3.0 x1 lane, however this requires purchase of an Intel I225 network controller. Other controllers require using a PCIe lane.

Intel Z390, B460, Z370 and Z270 Chipset Comparison
Max PCH PCIe 3.0 Lanes24242424
Max USB 3.1 (Gen2/Gen1)6/10?6/100/10
Total USB??1414
Max SATA Ports6666
PCIe Configx16
Memory Channels (Dual)2/22/22/22/2
Intel Optane Memory SupportY?YY
Intel Rapid Storage Technology (RST)Y?YY
Max Rapid Storage Technology Ports3?33
Integrated WiFi MACWi-Fi 6Wi-Fi 6Wi-Fi 5N
Intel Smart SoundY?YY
Integrated SDXC (SDA 3.0) Support??YN
Overclocking SupportYNYY
Intel vPro??NN
Max HSIO Lanes30?3030
Intel Smart Sound??YY
ME Firmware14141211

The Z490 chipset and Intel 10th Generation Comet Lake desktop processors have a total combined PCIe count of 40, which is 16 from the CPU and 24 from the chipset. What’s interesting is how similar the Z490 and Z390 chipsets are in terms of specifications, which adds the question of why Intel has opted for a new socket, on what is effectively a refresh of its 14 nm process node.

10th Generation Comet Lake desktop processors

Intel retains the support of its Optane memory modules and uses dual-channel memory, up to DDR4-2933 with Core i9 and Core i7 parts, or DDR4-2666 with all other processors. The Z490 chipset also retains the same 30 HSIO used for any PCIe add-in card or controller, such as USB controllers, ethernet ports, sound cards, RAID cards, etc. Motherboard vendors use controllers such as the ASMedia ASM3242 chip to offer USB 3.2 G2 and 20 Gbps connectivity. This effectively allows vendors to implement fast Type-C connectivity.

The Z490 chipset supports overclocking with Intel’s unlocked processors, which was expected. While it is not recommended to overclock the clock generator (BCLK) as it’s tied into multiple areas where stability is a large factor, Intel has enabled support for DMI and PEG overclocking which has now been separated out to have no effect on SATA ports and such.

Z490 and LGA1200: Motherboards Built with PCIe 4.0?

After looking through the specification sheets of all the Z490 options, there was one obvious sticking point to all the press materials. The motherboard manufacturers all had to build their systems for processors that didn’t exist yet. Those that mention they contain PCIe 4.0 also mention Rocket Lake processors, which are what we assume to be Intel’s next-generation (11th Gen?) hardware. These processors will also have the same LGA1200 socket as these motherboards but clearly will have access to some form of PCIe 4.0 compatibility. This means that the motherboards have to be built with Rocket Lake in mind. That being said, we assume that Rocket Lake hasn’t even been built yet – or at least, even the early stage silicon is probably not ready. This means that the motherboard vendors have to work on specifications and standards provided by Intel, some of which could possibly change by release, but also some of these specifications could drastically vary from Comet Lake (10th Gen) to Rocket Lake (11th Gen?).

We already know that PCIe 4.0 is a differentiating factor, but what about the number of PCIe lanes? Comet Lake only supports 16 lanes from the processor, and so most of these Z490 boards are built with that in mind. But if Rocket Lake supports more, say 20 PCIe lanes from the processor, then that leaves four lanes to add an M.2. In order to support this M.2 slot from the CPU on Z490, the motherboard vendors have to put in the required switches such that the slot works on both Comet Lake in PCIe 3.0 mode and Rocket Lake in PCIe 4.0 mode. Either that or disable the slot completely for Comet Lake, because it would end up reducing the main PCIe slot to an x8 due to bifurcation.

This is but one example, but depending on memory support, power support, graphics support – all of these mean that motherboard manufacturers can take Z490 in one of two ways. The one that most vendors seem to be doing is to make their boards hybrids – suitable for both Comet and Rocket, but not really mastering one. For users intending to upgrade mid-cycle without a motherboard change, these hybrid designs are probably best. The second option is to make specific boards for the specific chips, despite technically supporting both: making the Z490 the best board it can be for Comet Lake, and then some future board (Z590?) being the best board for Rocket Lake. Personally, I prefer the latter, because I’d like the best out of my processor. However, prices of the best motherboards are matching (or even surpassing) that of the processor, which makes the quandary a little more complex than on first glance.

The Current Z490 Product Stack: Over 40+ New Motherboards Unveiled

With the release of Intel’s 10th generation Comet Lake CPU’s offering multiple processors ranging from dual-core Celerons to the latest 10-core i9-10900K SKUs, the demand on motherboard vendors to improve on existing designs is paramount. The onus is on motherboard vendors to deliver to its target markets, whether it’s gaming which Intel claims the Core i9-10900K and i9-10900KF to be the best gaming processors ever, but content creation is bigger than it has ever been too. There are seven motherboards with Thunderbolt 3, for example.

Below is the current Z490 product stack which has been announced for launch, with some models not expected to hit shelves until later on. The EVGA Dark series makes a reappearance, while MSI has its MEG, MPG and MAG stack. Also within the deep Z490 product stack are GIGABYTE Aorus and its new redesigned Vision D, or previously known as the Designare. ASUS is now on the Maximus XII range with its fabled Extreme and Formula models, with an Apex in for overclockers, as well as its Strix, Prime series, and a fresh ProArt Z490-Creator 10G model too. There will likely be even more boards announced over the coming months, with some surprises we can’t discuss, all looking to make Intel’s seemingly last PCIe 3.0 desktop Z series chipset a big hit with consumers.


Inside of the big four motherboard vendors, ASRock has the smallest product stack at launch, with more models expected over the coming months. Included in its stack is the now highly recognisable Taichi which has a pretty strong feature set and more recently announced, the flagship and water-cooled Z490 Aqua.

ASMedia ASM3242 chip

For gamers, the Z490 PG Velocita makes its debut with a unique naming scheme, hopefully looking to gain some notoriety. Also included is the ever-popular mini-ITX Z490 Phantom Gaming ITX/TB3 with Thunderbolt 3 rear panel connectivity one of its main features. A pair more for entry-level users includes the Z490 Steel Legend and Z490 Extreme4, which is one of its longest-standing ranges, stretching back many years.

ASRock Z490 Motherboard Product Stack
ASRock Z490 AquaEATX$1100
ASRock Z490 PG VelocitaATX$260
ASRock Z490 TaichiATX$370
ASRock Z490 Phantom Gaming-ITX/TB3mITX$280
ASRock Z490 Steel LegendATX$185
ASRock Z490 Extreme4ATX$195
ASRock Z490 Phantom Gaming 4/2.5GATX$160
ASRock Z490 Phantom Gaming 4/acATX
ASRock Z490 Phantom Gaming 4/axATX
ASRock Z490 Phantom Gaming 4ATX$150
ASRock Z490 Pro4ATX$170
ASRock Z490M Pro4mATX$150
ASRock Z490M-ITX/acmITX$160
ASRock Z490 Phantom Gaming 4SRATX

The ASRock Z490 Phantom Gaming 4 series of models offer a variety of options with different networking capability and targets the entry-level point. The base Phantom Gaming 4 model has a cost of $150, which is ASRock’s cheapest Z490 model at present, while the 2.5G variant can be purchased for just $10 more coming in at $160.


ASUS as always has a huge product stack available for Z490, with the high-end ROG Maximus XII series with the Extreme leading the charge, to the Formula for water coolers and the Apex primarily geared up for extreme overclocking. The ROG Maximus XII Hero Wi-Fi acts as a bridge including the majority of the Maximus XII’s core feature set, but with a more affordable controller set.


The gaming-focused Strix range has many alphabet models including the Z490-E, Z490-F, Z490-G, etc., while the Prime series offers a variety of models at different price points for users that want a more neutral look. Also included in the product stack is the content creator focused ProArt Z490-Creator 10G which looks good

ASUS Z490 Motherboard Product Stack
ASUS ROG Maximus XII Extreme Glacial?
ASUS ROG Maximus XII ExtremeEATX$750
ASUS ROG Maximus XII FormulaATX$500
ASUS ROG Maximus VII Hero WiFiATX$399
ASUS ROG Strix Z490-E GamingATX$300
ASUS ROG Strix Z490-F GamingATX$269
ASUS ROG Strix Z490-G GamingmATX
ASUS ROG Strix Z490-G Wi-Fi GamingmATX
ASUS ROG Strix Z490-A GamingATX
ASUS ROG Strix Z490-I GamingmITX$300
ASUS TUF Z490-Plus WiFiATX$200
ASUS Prime Z490-AATX$230
ASUS Prime Z490-PATX$160
ASUS Prime Z490M-PlusmATX$150
ASUS ProArt Z490-Creator 10GATX


Biostar has just three models at launch, with two ATX sized models via the Z490GTA EVO, and Z490GTA, and a mini-ITX model, the Z490GTN.

Comet Lake

Biostar Z490 Motherboard Product Stack
Biostar Racing Z490GTA EvoATX$239
Biostar Racing Z490GTAATX$209
Biostar Racing Z490GTNmITX$199


Normally bringing its models later on in the product cycle, EVGA has announced models for Intel’s Z490, the EVGA Z490 Dark which is heavily stacked on overclocking features. At the same time, the EVGA Z490 FTW WiFi offers users a solid-option for the mid-range.


EVGA Z490 Motherboard Product Stack


GIGABYTE has opted for a mixture of models in its product stack with a wave of Aorus branded boards aimed at gamers and enthusiasts, with some new additions and re-works to previous models on other chipsets. In a move to shorten some of its model names for Z490 (on the most part), we see a couple of models with subtler aesthetics including the new Z490 Vision D and Z490 Vision G. The GIGABYTE Z490 Vision series includes a couple of models, with the Z490 Vision D and Vision G seen as a direct replacement to the Designare series; the Vision G has with a clean aluminium aesthetic.

desktop processors

Other models making a return include the Aorus Xtreme, with the Xtreme WaterForce model decked with a custom water block, and an eye-watering price to go with it. Other regular Aorus mainstays in the stack include the Aorus Ultra, Aorus Master, and Aorus Elite. For small form factor aficionados, there’s also the mini-ITX Z490I Aorus Ultra, with the micro-ATX Z490M Gaming X expected shortly.

GIGABYTE Z490 Motherboard Product Stack
GIGABYTE Z490 Aorus Xtreme WaterForceEATX$1299
GIGABYTE Z490 Aorus XtremeEATX$799
GIGABYTE Z490 Aorus MasterATX$389
GIGABYTE Z490 Aorus UltraATX$299
GIGABYTE Z490 I Aorus UltramITX$269
GIGABYTE Z490 Aorus Pro AXATX$269
GIGABYTE Z490 Aorus Elite ACATX$219
GIGABYTE Z490 Gaming XATX$200
GIGABYTE Z490 Vision DATX$299
GIGABYTE Z490 Vision GATX$199


The MSI Z490 product stack consists of many previously seen before models including its flagship EATX sized MEG Z490 Godlike, with the Z490 Ace, and the more recent Unify range. MSI’s only mini-ITX model comes under the MEG enthusiast gaming banner via the Z490I Unify, while the MPG range offers a good range of features for the mid-range.


Towards the bottom of the stack is the MAG Z490 Tomahawk, which is usually reserved for the budget B chipsets, and the MSI Z490-A Pro caters to entry-level users. It’s worth noting that from top to bottom, every MSI Z490 motherboard has a Realtek RTL8125G 2.5 G Ethernet port or better.

MSI Z490 Motherboard Product Stack
MSI MEG Z490 GodlikeEATX$750
MSI MEG Z490 AceATX$400
MSI MPG Z490 Gaming Carbon WIFIATX$270
MSI MPG Z490 Gaming Edge WIFIATX$200
MSI MPG Z490M Gaming Edge WIFImATX
MSI MAG Z490 TomahawkATX$190
MSI Z490-A ProATX$160


More focused on its server-grade and workstation motherboards, Supermicro has just two models announced for Z490, the C9Z490-PGW and C9Z490-PG. The only difference between the two is a wireless interface, while both these models are the only Z490 models to leverage a PLX chip for PCIe lane bifurcation.

gaming processors

Supermicro Z490 Motherboard Product Stack
Supermicro C9Z490-PGWATX$395
Supermicro C9Z490-PGATX$375

On the next page is a summary of each board’s power delivery system, with each subsequent page containing a brief analysis/rundown of all the individual Z490 boards.

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