| Seller/manufacturer warranty | 36 months. |
| Type | motherboard |
| Model | ASRock Z790 Steel Legend WiFi |
| Series | ASRock Steel Legend |
| Color | black |
| Release year | 2022 |
| Form factor | Standard-ATX |
| Height | 305 mm |
| Width | 244 mm |
| Socket | LGA 1700 |
| Supported memory type | DDR5 |
| Supported memory form factor | DIMM |
| Number of memory slots | 4 |
| Number of memory channels | 2 |
| Maximum memory | 192 GB |
| Maximum memory frequency (JEDEC / non-overclocked) | 4800 MHz |
| Overclocked RAM frequency | 5000 MHz, 5200 MHz, 5400 MHz, 5600 MHz, 5800 MHz, 6000 MHz, 6200 MHz, 6400 MHz, 6600 MHz, 6800 MHz, 7000 MHz, 7200 MHz |
| PCI Express Version | 5.0 |
| PCIe x16 slots | 1 x PCIe 3.0 (in x2 mode), 1 x PCIe 4.0 (in x4 mode), 1 x PCIe 5.0 (in x16 mode) |
| SLI/CrossFire support | CrossFire X |
| Number of cards in SLI / Crossfire | 2 pcs. |
| Number of PCI-E x1 slots | no |
| NVMe support | yes |
| PCI Express drive version | 5.0 |
| Number of M.2 connectors | 5 |
| M.2 (M) slots, PCIe processor lines | 1 x 2260/2280 (PCIe 4.0 x4), 1 x 2260/2280 (PCIe 5.0 x4) |
| M.2 (M) slots, PCIe chipset lines | 1 x 2260/2280 (PCIe 4.0 x4), 2 x 2242/2260/2280 (PCIe 4.0 x4) |
| Number of SATA ports | 8 |
| SATA RAID operating mode | 0, 1, 5, 10 |
| Other drive connectors | no |
| USB Type-A Ports | 1 x USB 3.2 Gen 2, 8 x USB 3.2 Gen 1 |
| USB Type-C ports | 1 x USB 3.2 Gen 2 |
| Video outputs | 1 x DisplayPort |
| Number of network ports (RJ-45) | 1 |
| Number of analog audio connectors | 5 |
| Digital audio ports (S/PDIF) | TOSLINK (S/PDIF optical) |
| SMA connectors (for Wi-Fi antenna) | yes |
| PS/2 ports | no |
| Internal USB Type-A connectors | 2 x USB 2.0 (9 pin), 2 x USB 3.2 Gen 1 (19 pin) |
| Internal USB Type-C connectors | 1 x USB 3.2 Gen 2x2 |
| CPU cooling power connectors | 1 x 4 pin (cooler), 1 x 4 pin (cooler/pump) |
| Combined connectors for fans and LSS pump (4 pin) | 5 |
| Case fan headers (3 pin) | no |
| Connectors 5V-D-G (3 pin) for ARGB backlight | 3 |
| Connectors 12V-G-R-B (4 pin) for RGB backlight | 1 |
| M.2 (E) connector for wireless modules | yes |
| RS-232 (COM) connector | no |
| LPT interface | no |
| Sound design | 7.1 |
| Sound adapter chipset | Realtek ALC897 |
| Network adapter speed | 2.5 Gbps |
| Network adapter | Realtek RTL8125BG |
| Wi-Fi standard | 6E (802.11ax) |
| Bluetooth version | 5.3 |
| Main power connector | 24 pin |
| CPU power connector | 2 x 8 pin |
| Number of power phases | 16+1+1 |
| Passive cooling | 3 x M.2 slot, VRM zone, chipset |
| Active cooling | no |
| Buttons on board | no |
| Illumination of board elements | yes |
| Backlight Sync Software | ASRock Polychrome SYNC |
| Additional features | 1 connector for connecting expansion cards with Thunderbolt support, 5 fan power connectors combined with pump power, Intel XMP support |
| Contents | 2 x SATA cable, Wi-Fi antenna, video card holder, software disk, documentation, fasteners for M.2 connector |
| Weight with box | 2.34 kg |
| Country of origin | Vietnam |
| Case fan headers (4 pin) | no |
| Box length | 38 cm |
| Box width | 32 cm |
| Box height | 10 cm |
| Intel Chipset | Intel Z790 |
| Compatible Intel processor cores | Alder Lake, Raptor Lake, Raptor Lake Refresh |
| Number of PCB layers | 6 |
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