ASRock introduces two workstation-class motherboards for the 4th Gen Intel Xeon W-3400 and W-2400 processors. The ASRock W790 WS and W790 WS R2.0 motherboards feature a similar layout, sporting a 20+2 Power Phase, 90A SPS Design, 14-layer server-grade PCB, and 10 GbE LAN. The ASRock W790 WS, a more premium model, comes equipped with beefier heatsinks, Thunderbolt 4, and dual 10 GbE LAN ports.

ASRock W790 WS Features
Supports 4th Gen Intel Xeon W-3400 and W-2400 Processors (LGA4677)
20+2 Power Phase, 90A SPS Design
14 Layer Server-Grade Ultra Low-Loss PCB
8x DDR5 DIMMs
Supports Quad Channel ECC Registered memory, up to 6800+ (OC)*
4 PCIe 5.0 x16, 1 PCIe 4.0 x16
4 Blazing M.2 (PCIe Gen5 x4), 1 U.2 mini SAS Connector (PCIe Gen4 x4), 8 SATA3
2 Thunderbolt 4 Type-C
1 USB 3.2 Gen2x2 Type-C (Front),
2 USB 3.2 Gen2 (Rear),
8 USB 3.2 Gen1 (4 Rear, 4 Front),
7.1 CH HD Audio (Realtek ALC897 Audio Codec)
Dual Marvell AQUANTIA® 10 GbE LAN
Intel® i225LM 2.5 GbE LAN
802.11ax WiFi 6E + Bluetooth 5.3
Supports ASRock Blazing Quad M.2 Card

ASRock W790 WS R2.0 Features
Supports 4th Gen Intel Xeon W-3400 and W-2400 Processors (LGA4677)
20+2 Power Phase, 90A SPS Design
14 Layer Server-Grade Ultra Low-Loss PCB
8 x DDR5 DIMMs
Supports Quad Channel ECC Registered memory, up to 6800+ (OC)*
4 PCIe 5.0 x16, 1 PCIe 4.0 x16
4 Blazing M.2 (PCIe Gen5 x4), 8 SATA3
1 U.2 mini SAS Connector (PCIe Gen4 x4)
1 USB 3.2 Gen2x2 Type-C (Front)
2 USB 3.2 Gen2 (Rear)
7 USB 3.2 Gen1 (3 Rear, 4 Front)
7.1 CH HD Audio (Realtek ALC897 Audio Codec)
Marvell AQUANTIA 10 GbE LAN
Intel i226LM 2.5 GbE LAN
Supports ASRock Blazing Quad M.2 Card

ASRock did not reveal pricing as of this writing. To learn more, please visit the links below.
ASRock W790 WS
ASRock W790 WS R2.0