Asus has launched PRO ET500A B8-B-750-US barebones workstation system in the US online. The price starts at $599.99. At the time of writing, Amazon US has listed this model for pre-order ( Temporarily out of stock).

Asus PRO ET500A B8-B-750-US ( Part Number: 90WS0091-M00070 ) is a barebones desktop / workstation system that supports one NVIDIA® RTX™ PRO Blackwell series GPU. It is equipped with Dual M.2 slots that supports up to 128Gbps.

Specs Highlights — ASUS ExpertCenter Pro ET500A B8-B-750-US

• AMD Ryzen 9000/8000/7000 Series and AMD EPYC 4005 Series processor support
• DDR5 ECC/non-ECC UDIMM memory support
• Support for one NVIDIA RTX PRO Blackwell graphics card
• Dual 2.5GbE Ethernet ports
• Dual M.2 slots with up to 128Gbps bandwidth
• PCIe 5.0 support
• Four SATA 6Gbps storage bays
• Supports up to four independent displays
• Supports up to one 8K display
• Front USB 20Gbps Type-C connectivity
• USB 10Gbps Type-C and USB 5Gbps ports
• ISV certification for professional applications
• ASUS Control Center Express for remote IT management
• Tool-less design for easier upgrades and maintenance
• EPEAT Bronze certified workstation

It features HDMI, DisplayPort, VGA and USB Type-C alt mode ports, that lets you connect four independent displays. USB 20Gbps Type-C, USB 10Gbps Type C and USB 5Gbps are available on the Front for easy access. It also has Dual onboard 2.5GbE ethernet ports.

According to official specs, it can be configured with AMD Ryzen™ 9000 & 8000 & 7000 Series and AMD EPYC™ 4005 Series Desktop Processors. It supports up to 128 GB ECC Memory.

From the manufacturer:
ASUS ExpertCenter Pro ET500A B8 is a mainstream workstation that delivers professional performance and flexible expandability ideal for a range of applications from design to virtualization. Equipped with the AMD Ryzen or Epyc Processors and ECC and non-ECC memory, plus support for an NVIDIA RTX™ PRO graphics card and independent software vendor (ISV) certification, ExpertCenter Pro ET500A B8 delivers the performance, reliability and guaranteed compatibility you can trust for your professional workflows.