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ASRock X570 Steel Legend vs ASUS ROG Maximus Z790 Hero: Comparison

What is the difference between ASRock X570 Steel Legend and ASUS ROG Maximus Z790 Hero?

Start with m.2 slots, because it is the widest measured gap between them: ASRock X570 Steel Legend 2 against ASUS ROG Maximus Z790 Hero 5, 60% in favour of ASUS ROG Maximus Z790 Hero. They differ on newest cpu family supported too, Ryzen 5000 on the ASRock X570 Steel Legend versus Core 14th Gen on the ASUS ROG Maximus Z790 Hero. Memory type is not the same on both, 4x DDR4 DIMM, dual-channel, up to 128GB, up to... on the ASRock X570 Steel Legend versus 4x DDR5 DIMM, up to 192GB, up to 7800+... on the ASUS ROG Maximus Z790 Hero. There is a split on board width as well, 244 mm on the ASRock X570 Steel Legend versus 243.84 mm on the ASUS ROG Maximus Z790 Hero. There is a split on pcie 5.0 support as well, No on the ASRock X570 Steel Legend versus Yes on the ASUS ROG Maximus Z790 Hero.

Who each one is for

Buy the ASRock X570 Steel Legend for AM4 builders who want distinctive Steel Legend styling and builds that don't need built-in WiFi, though it is not built for anyone who wants WiFi included in the base model and new builds better served by AM5. The ASUS ROG Maximus Z790 Hero suits builders who want a high-end LGA1700 board with Thunderbolt 4 and enthusiasts completing a 13th/14th Gen Intel system, though it is the wrong buy for budget-first LGA1700 builds. Avoid it for new builds better served by the newer Core Ultra Series 2 (LGA1851) platform.

Frequently asked questions

Do the ASRock X570 Steel Legend and ASUS ROG Maximus Z790 Hero differ on chipset?

Yes. Chipset reads X570 on the ASRock X570 Steel Legend versus Z790 on the ASUS ROG Maximus Z790 Hero.

Is the Memory Slots the same on the ASRock X570 Steel Legend and ASUS ROG Maximus Z790 Hero?

It is. Both are listed at 4, so it is not a reason to pick one over the other.

Specs and benchmarks

  • Platform

    ASRock X570 Steel Legend
    AMD
    ASUS ROG Maximus Z790 Hero
    Intel
  • Model Number

    ASRock X570 Steel Legend
    X570 Steel Legend
    ASUS ROG Maximus Z790 Hero
    ROG Maximus Z790 Hero
  • Socket

    ASRock X570 Steel Legend
    AMD Ryzen 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors
    ASUS ROG Maximus Z790 Hero
    Intel Core 14th / 13th / 12th Gen, Pentium Gold, Celeron
  • Form Factor

    ASRock X570 Steel Legend
    ATX
    ASUS ROG Maximus Z790 Hero
    ATX
  • Chipset

    ASRock X570 Steel Legend
    X570
    ASUS ROG Maximus Z790 Hero
    Z790
  • Newest CPU Family Supported

    ASRock X570 Steel Legend
    Ryzen 5000
    ASUS ROG Maximus Z790 Hero
    Core 14th Gen
  • Memory Type

    ASRock X570 Steel Legend
    4x DDR4 DIMM, dual-channel, up to 128GB, up to 4666+ MT/s (OC)
    ASUS ROG Maximus Z790 Hero
    4x DDR5 DIMM, up to 192GB, up to 7800+ MT/s (OC)
  • Memory Slots

    ASRock X570 Steel Legend
    4
    ASUS ROG Maximus Z790 Hero
    4
  • Board Width

    ASRock X570 Steel Legend
    244 mm
    ASUS ROG Maximus Z790 Hero
    243.84 mm
  • M.2 Slots

    ASRock X570 Steel Legend
    2-60%
    ASUS ROG Maximus Z790 Hero
    5Best
  • PCIe 5.0 Support

    ASRock X570 Steel Legend
    No
    ASUS ROG Maximus Z790 Hero
    Yes
  • Wi-Fi Onboard

    ASRock X570 Steel Legend
    No
    ASUS ROG Maximus Z790 Hero
    Yes
  • Max Rated Memory Speed

    ASRock X570 Steel Legend
    4666 MT/s
    ASUS ROG Maximus Z790 Hero
    7800 MT/sBest
  • ECC Memory Support

    ASRock X570 Steel Legend
    Unbuffered ECC
    ASUS ROG Maximus Z790 Hero
    None
  • M.2 PCIe 4.0 Slots

    ASRock X570 Steel Legend
    2
    ASUS ROG Maximus Z790 Hero
    3
  • SATA Ports

    ASRock X570 Steel Legend
    8
    ASUS ROG Maximus Z790 Hero
    6
  • PCIe x16 Slots

    ASRock X570 Steel Legend
    2
    ASUS ROG Maximus Z790 Hero
    3
  • Primary Graphics Slot Gen

    ASRock X570 Steel Legend
    PCIe 4.0
    ASUS ROG Maximus Z790 Hero
    PCIe 5.0
  • Rear USB4 or TB Ports

    ASRock X570 Steel Legend
    0
    ASUS ROG Maximus Z790 Hero
    2
  • Rear USB 10Gbps Ports

    ASRock X570 Steel Legend
    2
    ASUS ROG Maximus Z790 Hero
    6
  • Rear USB 5Gbps Ports

    ASRock X570 Steel Legend
    6
    ASUS ROG Maximus Z790 Hero
    4
  • Fan and Pump Headers

    ASRock X570 Steel Legend
    6
    ASUS ROG Maximus Z790 Hero
    7
  • ARGB Headers

    ASRock X570 Steel Legend
    1
    ASUS ROG Maximus Z790 Hero
    3
  • Vcore Power Stages

    ASRock X570 Steel Legend
    10
    ASUS ROG Maximus Z790 Hero
    20
  • EPS 12V Configuration

    ASRock X570 Steel Legend
    8-pin plus 4-pin
    ASUS ROG Maximus Z790 Hero
    Two 8-pin
  • Max Ethernet Speed

    ASRock X570 Steel Legend
    1 Gbps
    ASUS ROG Maximus Z790 Hero
    2.5 GbpsBest
  • Ethernet Port Count

    ASRock X570 Steel Legend
    1
    ASUS ROG Maximus Z790 Hero
    1
  • Wi-Fi Standard

    ASRock X570 Steel Legend
    None
    ASUS ROG Maximus Z790 Hero
    Wi-Fi 6E
  • Audio Codec

    ASRock X570 Steel Legend
    Realtek ALC1220, 7.1-channel, Purity Sound 4
    ASUS ROG Maximus Z790 Hero
    ROG SupremeFX 7.1 Surround Sound HD Audio CODEC ALC4082
  • Expansion

    ASRock X570 Steel Legend
    2x PCIe 4.0 x16 (x16 single / x16+x4 dual), 3x PCIe 4.0 x1
    ASUS ROG Maximus Z790 Hero
    2x PCIe 5.0 x16 (x16 or x8/x8) + 1x PCIe 4.0 x16 (x4)
  • Connectivity

    ASRock X570 Steel Legend
    Steel Legend styling
    ASUS ROG Maximus Z790 Hero
    Thunderbolt 4 onboard
  • Networking

    ASRock X570 Steel Legend
    Gigabit LAN (Intel I211AT), WiFi variants sold separately
    ASUS ROG Maximus Z790 Hero
    Intel 2.5Gb LAN, Wi-Fi 6E, Bluetooth 5.3
  • Special Features

    ASRock X570 Steel Legend
    2x M.2 (PCIe NVMe)
    ASUS ROG Maximus Z790 Hero
    5x M.2 slots, Hyper M.2 card support

    Which one should you pick?

    Choose ASRock X570 Steel Legend if you want the higher memory slots (4 vs 4).

    Choose ASUS ROG Maximus Z790 Hero if you want the higher M.2 slots (5 vs 2).

    Price comparison

    RetailerASRock X570 Steel LegendASUS ROG Maximus Z790 Hero
    NeweggView on NeweggView on Newegg
    AmazonView on Amazon

    Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.