WS890T
Operating System
Windows 11 Pro - ASUS recommends Windows 11 Pro for business.
Processor / System Bus
1 x Socket LGA4677
Intel^® Xeon^® W-3400 & W-2400 Series Processors
* Refer to www.asus.com for the latest Intel^® CPU support list
Core Logic
Intel^® W790 Chipset
Memory
Total Slots :
8 (4-channel)
Capacity :
Maximum up to 1024GB RDIMM
Memory Type :
Quad Channel DDR5 4800/4400 MHz, ECC RDIMM
Memory Size :
128GB, 64GB, 32GB, 16GB RDIMM
* Refer to support page for more information
* Actual memory frequency differs from Intel CPU types and memory module. Please check Intel official site for more detail about the memory types supported by each CPU.
Expansion Slots
Total: 5
Location-1: PCIe x16 slot (Gen 5.0 x16 link)
Location-2: PCIe x16 slot (Gen 5.0 x16 link)
Location-3: PCIe x16 slot (Gen 5.0 x16 link)
Location-4: PCIe x4 slot (Gen 4.0  x4 link)
Location-5: PCIe x16 slots (Gen 5.0 x16 link)
Storage
Storage Controller :
Intel^® W790 Chipset
-4 x SATA3 6Gb/s ports
-1 x M.2_1 socket3, up to 22110 type (PCIe Gen4 x4 link), from PCH
-1 x M.2_2 socket3, up to 2280 type (PCIe Gen4 x4 link), from PCH
-SlimSAS_1 slot supports  PCIe 3.0 x4 mode NVMe device
-SlimSAS_2 slot supports PCIe 4.0 x4 & SATA mode device
* Supports Intel^® Virtual RAID on CPU (Intel^® VROC) and Intel Volume Management Device (Intel^®VMD)
** Intel^® VROC Technology supports PCIe/SATA RAID 0/1/5/10.
Drive Bays
3 x Internal 3.5" Drive bays
2 x Internal 2.5" Drive bays
Auxiliary Storage FDD/CD/DVD
1 x 5.25" media bay
(Options: No ODD/DVD-RW Slim ODD)
Networking
2 x Intel^® I226-LM 2.5GbE LAN
Graphic
Up to 2 GPU Card
Front I/O Ports
1 x USB 20 Gbps Type-C^® port
2 x USB 5 Gbps ports
2 x USB 2.0 port
1 x Headphone port
1 x Microphone port
Rear I/O Ports
2 x USB 10 Gbps ports (1 port at Type A, 1 port at Type C^®)
2 x USB 5 Gbps ports
4 x USB 2.0 ports
2 x LAN ports (RJ45)
1 x 7.1-channel Audio I/O ports (5+1 Audio jacks)
1 x BIOS FlashBack™  button
Switch/LED
Front:
1 x Power Switch/LED
1 x Reset Switch
1 x HDD Access LED
1 x Fan Speed Switch ( Full speed/by fan profile setting)
Back:
1 x BIOS FlashBack
Management Solution
ASUS Control Center Express support, vPro compliance
Regulatory Compliance
BSMI, CE, FCC, Energy Star
Dimensions
535mm x 230mm x 448mm
21.06" x 9.06" x 17.64"
Weight
Net Weight : 14.28kg
Gross Weight : 21.38kg
Power Supply
750W 80PLUS GOLD Single Power Supply, 100-240V, 9-4.5A, 50/60Hz, Class I
1300W 80PLUS Platinum Single Power Supply, 110-240Vac, 15-7A, 50/60Hz, Class I
Environment
Operation temperature: 10℃ ~ 35℃
Non operation temperature: -40℃ ~ 70℃
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
Print port cable