ExpertCenter D9 Mini Tower (D900MD)
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D900MD
Model
D900MD
Color
Black
Operating System
Windows 11 Pro
Windows 11 Home - ASUS recommends Windows 11 Pro for business
Non-preinstalled OS
Windows 10 Pro (as a downgrade from Windows 11 Pro)- ASUS recommends Windows 11 Pro for business
Windows 11 Pro Education
*Some devices for academic use will automatically be updated to Windows 11 Pro Education with the Windows 11 Anniversary Update. Features vary; see https://aka.ms/ProEducation for Windows 11 Pro Education feature information.
WIN10 Government(China)
Windows 11 Home - ASUS recommends Windows 11 Pro for business
Non-preinstalled OS
Windows 10 Pro (as a downgrade from Windows 11 Pro)- ASUS recommends Windows 11 Pro for business
Windows 11 Pro Education
*Some devices for academic use will automatically be updated to Windows 11 Pro Education with the Windows 11 Anniversary Update. Features vary; see https://aka.ms/ProEducation for Windows 11 Pro Education feature information.
WIN10 Government(China)
Processor
Intel® Core™ i5-12400 Processor 2.5GHz (18MB Cache, up to 4.4GHz, 6 cores, 12 Threads)
Intel® Core™ i7-12700 Processor 2.1GHz (25MB Cache, up to 4.8GHz, 12 cores, 20 Threads)
Intel® Core™ i5-12500 Processor 3.0GHz (18MB Cache, up to 4.6GHz, 6 cores, 12 Threads)
Intel® Core™ i9-12900 Processor 2.4GHz (30MB Cache, up to 5.0GHz, 16 cores, 24 Threads)
Intel® Core™ i3-12100 Processor 3.3GHz (12MB Cache, up to 4.3GHz, 4 cores, 8 Threads)
Intel® Core™ i7-12700 Processor 2.1GHz (25MB Cache, up to 4.8GHz, 12 cores, 20 Threads)
Intel® Core™ i5-12500 Processor 3.0GHz (18MB Cache, up to 4.6GHz, 6 cores, 12 Threads)
Intel® Core™ i9-12900 Processor 2.4GHz (30MB Cache, up to 5.0GHz, 16 cores, 24 Threads)
Intel® Core™ i3-12100 Processor 3.3GHz (12MB Cache, up to 4.3GHz, 4 cores, 8 Threads)
Chipset
Intel® Q670 Chipset
Graphics
NVIDIA® GeForce RTX™ 3060 12GB GDDR6 : 3x DP, 1x HDMINVIDIA® RTX A2000 12GB GDDR6：4x mini-DPNVIDIA® GeForce® GT1030 2GB : 1x DVI, 1x HDMINVIDIA® T400 4GB GDDR6 : 3x mini-DPNVIDIA® GeForce RTX™ 3050 8GB GDDR6 : 3x DP, 1x HDMIINTEL® Arc™ A380 6GB GDDR6 : 3x DP, 1x HDMI
Memory
4x DDR5 U-DIMM slot, 16GB DDR5 U-DIMM, Memory max up to:128GB4x DDR5 U-DIMM slot, 32GB DDR5 U-DIMM, Memory max up to:128GB4x DDR5 U-DIMM slot, 16GB DDR5 U-DIMM x 4, Memory max up to:128GB4x DDR5 U-DIMM slot, 8GB DDR5 U-DIMM, Memory max up to:128GB4x DDR5 U-DIMM slot, 16GB DDR5 U-DIMM x 2, Memory max up to:128GB4x DDR5 U-DIMM slot, 32GB DDR5 U-DIMM x 2, Memory max up to:128GB4x DDR5 U-DIMM slot, 32GB DDR5 U-DIMM x 4, Memory max up to:128GB4x DDR5 U-DIMM slot, 8GB DDR5 U-DIMM x 2, Memory max up to:128GB
SATA
4 x SATA 6.0Gb/s ports
Storage
1TB M.2 2280 NVMe™ PCIe® 3.0 SSD, 1TB SATA 7200RPM 3.5" HDD512GB M.2 2280 NVMe™ PCIe® 3.0 SSD1TB M.2 2280 NVMe™ PCIe® 4.0 SSD512GB M.2 2280 NVMe™ PCIe® 3.0 SSD, 1TB SATA 7200RPM 3.5" HDD1TB M.2 2280 NVMe™ PCIe® 3.0 SSD512GB M.2 2280 NVMe™ PCIe® 4.0 SSD512GB M.2 2280 NVMe™ PCIe® 3.0 SSD, 2TB SATA 7200RPM 3.5" HDD1TB SATA 7200RPM 3.5" HDD1TB M.2 2280 NVMe™ PCIe® 3.0 SSD, 2TB SATA 7200RPM 3.5" HDD256GB M.2 2280 NVMe™ PCIe® 3.0 SSD, 1TB SATA 7200RPM 3.5" HDD128GB M.2 2280 NVMe™ PCIe® 3.0 SSD, 1TB SATA 7200RPM 3.5" HDD2TB SATA 7200RPM 3.5" HDD256GB M.2 2280 NVMe™ PCIe® 3.0 SSD1TB M.2 2280 NVMe™ PCIe® 4.0 Performance SSD1TB + 1TB M.2 2280 NVMe™ PCIe® 3.0 SSD256GB M.2 2280 NVMe™ PCIe® 3.0 SSD, 2TB SATA 7200RPM 3.5" HDD128GB M.2 2280 NVMe™ PCIe® 3.0 SSD512GB + 512GB M.2 2280 NVMe™ PCIe® 3.0 SSD1TB SATA 7200RPM 3.5" HDD, 512GB M.2 2280 NVMe™ PCIe® 4.0 SSD x 22TB + 2TB M.2 2280 NVMe™ PCIe® 4.0 Performance SSD1TB SATA 7200RPM 3.5" HDD, 256GB M.2 2280 NVMe™ PCIe® 4.0 SSD256GB M.2 2280 NVMe™ PCIe® 4.0 SSD2TB SATA 7200RPM 3.5" HDD, 512GB M.2 2280 NVMe™ PCIe® 4.0 SSD
Optical Drive (Optional)
DVD writer 8X
Without optical drive
DVD reader 8X
Without optical drive
DVD reader 8X
Front I/O Ports
1x Smart card reader
1x 2 in 1 card reader SD / MMC
1x Headphone
1x 3.5mm combo audio jack
4x USB 3.2 Gen 1 Type-A
2x USB 3.2 Gen 2 Type-A
1x USB 3.2 Gen 2 Type-C
1x 2 in 1 card reader SD / MMC
1x Headphone
1x 3.5mm combo audio jack
4x USB 3.2 Gen 1 Type-A
2x USB 3.2 Gen 2 Type-A
1x USB 3.2 Gen 2 Type-C
Rear I/O Ports
1x RJ45 Gigabit Ethernet
1x HDMI 1.4
1x VGA Port
2x Displayport 1.2
2x PS2
3 x Audio jacks
2x USB 2.0 Type-A
2x USB 3.2 Gen 1 Type-A
1x HDMI 1.4
1x VGA Port
2x Displayport 1.2
2x PS2
3 x Audio jacks
2x USB 2.0 Type-A
2x USB 3.2 Gen 1 Type-A
Expansion Slots(includes used)
2x PCIe® 3.0 x 1
1x PCIe® 4.0 x 16
1x PCIe® 3.0 x 16
2x M.2 2280 connector for storage
4x DDR5 U-DIMM slot
1x PCIe® 4.0 x 16
1x PCIe® 3.0 x 16
2x M.2 2280 connector for storage
4x DDR5 U-DIMM slot
Audio
High Definition 7.1 Channel Audio
Network and Communication
Wi-Fi 6(802.11ax) (Dual band) 2*2 + Bluetooth® 5.2 Wireless Card
Wi-Fi 6E(802.11ax) (Dual band) 2*2 + Bluetooth® 5.3 Wireless Card (Vpro)
Wi-Fi 5(802.11ac) (Dual band) 2*2 + Bluetooth® 5.1 Wireless Card
Wi-Fi 6E(802.11ax) (Dual band) 2*2 + Bluetooth® 5.3 Wireless Card (Vpro)
Wi-Fi 5(802.11ac) (Dual band) 2*2 + Bluetooth® 5.1 Wireless Card
Power Supply
500W power supply (80+ Gold, peak 550W)
300W power supply (80+ Platinum, peak 390W)
180W power supply (80+ Bronze, peak 228W)
300W power supply (80+ Platinum, peak 390W)
180W power supply (80+ Bronze, peak 228W)
Weight
06.00 kg (13.23 lbs)
Dimensions (W x D x H)
16.20 x 29.13 x 35.50 cm (6.38" x 11.47" x 13.98")
29.14 x 16.20 x 35.50 cm (11.47" x 6.38" x 13.98")
29.14 x 16.20 x 35.50 cm (11.47" x 6.38" x 13.98")
Built-in Apps
MyASUS
ASUS Business Manager
ASUS Business Manager
MyASUS Features
System diagnosis
Fan profile
AppDeals
Link to MyASUS
Fan profile
AppDeals
Link to MyASUS
Microsoft Office
1-month trial for new Microsoft 365 customers. Credit card required.
Microsoft Office Home & Business 2021
Office Home and Student 2021 included
Office Professional 2021 included
Microsoft Office Home & Business 2021
Office Home and Student 2021 included
Office Professional 2021 included
Ecolabels & Compliances
EPEAT Silver
Energy star 8.0
RoHS
Energy star 8.0
RoHS
Security
Trusted Platform Module (Firmware TPM)
Kensington Security Slot™(7x 3mm)
HDD User Password Protection and Security
BIOS Booting User Password Protection
Trusted Platform Module (TPM) 2.0
Kensington Security Slot™(7x 3mm)
HDD User Password Protection and Security
BIOS Booting User Password Protection
Trusted Platform Module (TPM) 2.0
Included in the Box (Optional)
Wired optical mouse (USB)
Wired keyboard (USB)
1 x COM port
2.5" HDD assembly kit
Wired optical Mouse (USB) with Antimicrobial Guard Technology
Wired Keyboard (USB) with Antimicrobial Guard Technology
Intrusion cable (Intrusion Switch)
3.5" HDD assembly kit
Internal Speaker
Without mouse
Without keyboard
HDD/ODD power cable
M.2 2280 SSD assembly kit
1 x Parallel port
Slim ODD assembly kit
Wired keyboard (PS2)
Wired laser mouse (USB)
VGA assembly kit
1 x COM port x 2
Internal buzzer
Wired keyboard (USB)
1 x COM port
2.5" HDD assembly kit
Wired optical Mouse (USB) with Antimicrobial Guard Technology
Wired Keyboard (USB) with Antimicrobial Guard Technology
Intrusion cable (Intrusion Switch)
3.5" HDD assembly kit
Internal Speaker
Without mouse
Without keyboard
HDD/ODD power cable
M.2 2280 SSD assembly kit
1 x Parallel port
Slim ODD assembly kit
Wired keyboard (PS2)
Wired laser mouse (USB)
VGA assembly kit
1 x COM port x 2
Internal buzzer
Exclusive Subscription Offers
1-month Adobe Creative Cloud Hard Bundle
*Terms and exclusions apply. Offer only available in eligible markets. Eligible markets are determined at activation, and varies by region, device, and time.
*Terms and exclusions apply. Offer only available in eligible markets. Eligible markets are determined at activation, and varies by region, device, and time.
- Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
- All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
- Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
- PCB color and bundled software versions are subject to change without notice.
- Brand and product names mentioned are trademarks of their respective companies.
- The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
¹The Windows 11 upgrade will be delivered to qualifying devices late 2021 into 2022. Timing varies by device. Certain features require specific hardware (see aka.ms/windows11-spec).
Unless otherwise stated, all performance claims are based on theoretical performance. Actual figures may vary in real-world situations.
The actual transfer speed of USB 3.0, 3.1, 3.2, and/or Type-C will vary depending on many factors including the processing speed of the host device, file attributes and other factors related to system configuration and your operating environment.
* The testing regimen includes the requirements of both military-grade standards and ASUS quality tests, and varies depending on device. MIL-STD-810 testing is conducted on selected ASUS products only. These tests do not demonstrate fitness for military use, or adherence to US Department of Defense (DoD) contract requirements. Similarly, the test results should not be considered an indication or guarantee of future performance under the specified test conditions. Damage occurring under these test conditions – or any attempt to replicate them – would be considered accidental, and would not be covered by the standard ASUS warranty. Additional coverage is available with ASUS Premium Care.
- Price may not include extra fee, including tax、shipping、handling、recycling fee.
- For pricing information, ASUS is only entitled to set a recommendation resale price. All resellers are free to set their own price as they wish.