ExpertCenter Pro ET900A X9

ExpertCenter Pro ET900A X9
Free shipping For orders over $29.99
Safe and secure payment Your data is encrypted for your protection
Warranty 3 year manufacturer warranty
Easy returns Hassle free returns within 30 calendar days
ExpertCenter Pro ET900A X9

*This is a barebones workstation system. It includes the chassis, motherboard, and power supply only. Processor, memory, storage drives, GPU, operating system, and cooling solution must be purchased and installed separately. Hardware compatibility may vary—please review specifications before selecting components.

  • Powered by AMD RYZEN Threadripper PRO 7000 WX-series processors and up to 2 TB DDR5 ECC RDIMM for exceptional performance and reliability.
  • Supports up to four NVIDIA Quadro RTX graphics cards for powerful 2D/3D rendering and AI workloads.
  • Seven PCIe 5.0 x16 slots for maximum expandability and future-proofing.
  • Dual onboard 10 Gb LAN for ultra-fast, high-bandwidth, and low-latency connectivity.
  • Supports up to four PCIe 5.0 M.2 slots and four SATA 6Gb/s ports for extensive storage options and high-speed data transfers.
  • Two SlimSAS ports, ready for industrial-grade NVMe storage devices.
  • Rich I/O options including both 40Gpbs and 20Gbps USB Type-C, plus USB 20 Gbps Type-A, for versatile connectivity.
  • ASUS Control Center Express empowers real-time IT monitoring and management for enhanced data protection.

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Product Name:
Pro ET900A X9-B-2000
Part Number:
90WS0021-M000A0

Delivery Most orders ship out within 24 hours
Pickup A click away from your pick
Free shipping For orders over $29.99
Safe and secure payment Your data is encrypted for your protection
Warranty 3 year manufacturer warranty
Easy returns Hassle free returns within 30 calendar days


Key features

Tech Specs

Rating & Reviews

Shopping FAQ

Operating System

Windows 11 Pro, Windows 11 Pro for Workstations

Processor / System Bus

AMD Socket sTR5 
AMD RYZEN™ Threadripper™ PRO 7000 WX-Series Processors*
*Refer to www.asus.com for CPU support list.

Chipset

AMD WRX90 Chipset

Memory

Total Slots:
8 (8-channel)
Memory Type:
DDR5 4800/5600 MHz, ECC RDIMM
Memory Size:
64GB, 48GB, 32GB, 24GB, 16GB, 8GB ECC RDIMM
* Refer to product QVL for more information
* Actual memory frequency differs from AMD
CPU types and memory module. Please check AMD official site for more detail about the memory types supported by each CPU.

Expansion Slots

Total: 7
Location-1: PCIe x16 slot (Gen5 x16 link)
Location-2: PCIe x16 slot (Gen5 x16 link)
Location-3: PCIe x16 slot (Gen5 x16 link)
Location-4: PCIe x16 slots (Gen5 x16 link)
Location-5: PCIe x16 slots (Gen5 x16 link)
Location-6: PCIe x16 slots (Gen5 x8 link)
Location-7: PCIe x16 slots (Gen5 x16 link)

Storage

Storage Controller:
AMD RYZEN™ Threadripper™ PRO 7000 WX-Series
Processors*
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_4 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
AMD WRX90 Chipset
SlimSAS_1 slot supports PCIe 4.0 x4 mode NVMe device
SlimSAS_2 slot supports PCIe 4.0 x4 mode NVMe device
4 x SATA 6Gb/s ports
* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10.

Drive Bays

4 x internal 3.5"/2.5" storage bays

Auxiliary Storage FDD/CD/DVD

1 x 5.25” media bay for optional DVD-RW Slim optical drive and card reader

Networking

1 x Intel® dual 10Gb Ethernet

Graphic

Supports Up to 4 2-slot NVIDIA® graphics cards, including but not limited to
NVIDIA® RTX 6000 ADA 48GB
NVIDIA® RTX A4000 16GB
NVIDIA® RTX 2000 ADA 16GB
NVIDIA® RTX A2000 12GB
2 x USB 40Gbps (USB4®) ports at back panel to support USB Type-C® display outputs*
* Supports max. 8K@60Hz as specified in DisplayPort 1.4.
** Output at USB4® Type-C® 40G USB 1 or USB4® Type-C® 40G USB 2 ports, each requires a Mini DisplayPort IN to  DisplayPort adapter cable.
For more information on display connection and video output configuration using the Mini DisplayPort IN ports, please
refer to the user manual.
*** Pro ET900A X9 does not include integrated graphics capability. A discrete graphics card is required for
display output.
**** To ensure optimal stability, an ambient temperature of under 25°C is recommended during heavy workloads.

Front I/O Ports

1 x USB 20Gbps Type-C® port (15W, 5Vdc/3A)
2 x USB 5Gbps ports
1 x USB 2.0 port
1 x Headphone port
1 x Microphone port

Rear I/O Ports

2 x USB4® (40Gbps) ports (2 x USB Type-C®) (15W, 5Vdc/3A)
6 x USB 10Gbps ports (6 x Type-A)
1 x USB 2.0 port (1 x Type-A)
2 x Mini DisplayPort in
2 x RJ-45 LAN ports
2 x Audio jacks
1 x BIOS FlashBack™ button
1 x Clear CMOS button

Switch/LED

Front:
1 x Power Switch/LED
1 x HDD Access LED
Rear:
1 x BIOS FlashBack™ button/LED
1 x Clear CMOS button
Internal:
Q-Code
Q-LEDs (CPU; DRAM; VGA; BOOT)
FlexKey button
LN2 mode
ReTry button
Safe boot button
Start button

Management Solution

ASUS Control Center Express

Regulatory Compliance

BSMI, CE, FCC, Energy Star

Dimensions

500mm x 230mm x 579mm
19.7” x 9.1” x 22.8”

Weight

Net Weight: 31.490 kg
Gross Weight: 37.570 kg

Power Supply

1650W 80 PLUS PLATINUM single power supply
(200-240Vac, 10A, 50-60Hz)
2000W 80 PLUS GOLD single power supply
(100-240Vac, 15-12A, 60-50Hz)
2000W@200-240Vac, 1500W@115-200Vac, 1200W@100-115Vac

Environment

Operation temperature: 10℃ ~ 35℃
Operation temperature: 10℃ ~ 35℃
Non operation humidity: 20% ~ 90% (Non condensing)

Optional Items

Smart card reader
Anti-Virus CD pack
OS
DVD-ROM
Keyboard and mouse
COM port cable

Operating System

Windows 11 Pro, Windows 11 Pro for Workstations

Processor / System Bus

AMD Socket sTR5 
AMD RYZEN™ Threadripper™ PRO 7000 WX-Series Processors*
*Refer to www.asus.com for CPU support list.

Chipset

AMD WRX90 Chipset

Memory

Total Slots:
8 (8-channel)
Memory Type:
DDR5 4800/5600 MHz, ECC RDIMM
Memory Size:
64GB, 48GB, 32GB, 24GB, 16GB, 8GB ECC RDIMM
* Refer to product QVL for more information
* Actual memory frequency differs from AMD
CPU types and memory module. Please check AMD official site for more detail about the memory types supported by each CPU.

Expansion Slots

Total: 7
Location-1: PCIe x16 slot (Gen5 x16 link)
Location-2: PCIe x16 slot (Gen5 x16 link)
Location-3: PCIe x16 slot (Gen5 x16 link)
Location-4: PCIe x16 slots (Gen5 x16 link)
Location-5: PCIe x16 slots (Gen5 x16 link)
Location-6: PCIe x16 slots (Gen5 x8 link)
Location-7: PCIe x16 slots (Gen5 x16 link)

Storage

Storage Controller:
AMD RYZEN™ Threadripper™ PRO 7000 WX-Series
Processors*
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_4 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
AMD WRX90 Chipset
SlimSAS_1 slot supports PCIe 4.0 x4 mode NVMe device
SlimSAS_2 slot supports PCIe 4.0 x4 mode NVMe device
4 x SATA 6Gb/s ports
* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10.

Drive Bays

4 x internal 3.5"/2.5" storage bays

Auxiliary Storage FDD/CD/DVD

1 x 5.25” media bay for optional DVD-RW Slim optical drive and card reader

Networking

1 x Intel® dual 10Gb Ethernet

Graphic

Supports Up to 4 2-slot NVIDIA® graphics cards, including but not limited to
NVIDIA® RTX 6000 ADA 48GB
NVIDIA® RTX A4000 16GB
NVIDIA® RTX 2000 ADA 16GB
NVIDIA® RTX A2000 12GB
2 x USB 40Gbps (USB4®) ports at back panel to support USB Type-C® display outputs*
* Supports max. 8K@60Hz as specified in DisplayPort 1.4.
** Output at USB4® Type-C® 40G USB 1 or USB4® Type-C® 40G USB 2 ports, each requires a Mini DisplayPort IN to  DisplayPort adapter cable.
For more information on display connection and video output configuration using the Mini DisplayPort IN ports, please
refer to the user manual.
*** Pro ET900A X9 does not include integrated graphics capability. A discrete graphics card is required for
display output.
**** To ensure optimal stability, an ambient temperature of under 25°C is recommended during heavy workloads.

Front I/O Ports

1 x USB 20Gbps Type-C® port (15W, 5Vdc/3A)
2 x USB 5Gbps ports
1 x USB 2.0 port
1 x Headphone port
1 x Microphone port

Rear I/O Ports

2 x USB4® (40Gbps) ports (2 x USB Type-C®) (15W, 5Vdc/3A)
6 x USB 10Gbps ports (6 x Type-A)
1 x USB 2.0 port (1 x Type-A)
2 x Mini DisplayPort in
2 x RJ-45 LAN ports
2 x Audio jacks
1 x BIOS FlashBack™ button
1 x Clear CMOS button

Switch/LED

Front:
1 x Power Switch/LED
1 x HDD Access LED
Rear:
1 x BIOS FlashBack™ button/LED
1 x Clear CMOS button
Internal:
Q-Code
Q-LEDs (CPU; DRAM; VGA; BOOT)
FlexKey button
LN2 mode
ReTry button
Safe boot button
Start button

Management Solution

ASUS Control Center Express

Regulatory Compliance

BSMI, CE, FCC, Energy Star

Dimensions

500mm x 230mm x 579mm
19.7” x 9.1” x 22.8”

Weight

Net Weight: 31.490 kg
Gross Weight: 37.570 kg

Power Supply

1650W 80 PLUS PLATINUM single power supply
(200-240Vac, 10A, 50-60Hz)
2000W 80 PLUS GOLD single power supply
(100-240Vac, 15-12A, 60-50Hz)
2000W@200-240Vac, 1500W@115-200Vac, 1200W@100-115Vac

Environment

Operation temperature: 10℃ ~ 35℃
Operation temperature: 10℃ ~ 35℃
Non operation humidity: 20% ~ 90% (Non condensing)

Optional Items

Smart card reader
Anti-Virus CD pack
OS
DVD-ROM
Keyboard and mouse
COM port cable