Q20300G9 1U Rack - Atom C3000 CPU, 4x 10G SFP+/ 5x 2.5G LAN, DDR4 RAM, Dual NVMe - PfSense/OPNsense Firewall Appliance
Shipping Countries & Returns
Free express shipping within the EU in 3–5 days. Worldwide shipping in 3–7 days.
We process and ship all orders as quickly as possible and ensure that your items arrive the soonest.
Returns & Exchanges
Returns are accepted within 14 days of the delivery date. Please contact us to initiate a return if there is a product defect or damage.
Shipping countries
INTERNATIONAL - United States, Canada, Hong Kong SAR, Israel, Japan, South Korea, Malaysia, New Zealand, Singapore.
EUROPE - Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Germany, Switzerland, United Kingdom, Norway.
Best Value Mini PCs Online
Free Shipping Worldwide
24/7 Technical Support
Q20300G9 1U Rack - Atom C3000 CPU, 4x 10G SFP+/ 5x 2.5G LAN, DDR4 RAM, Dual NVMe - PfSense/OPNsense Firewall Appliance
SPECIFICATIONS
Application: Mini PC, Firewall, Router, VPN Appliance, Mini Server, etc.
Brand Name: qotom
Cooling Mode: Fan
Dimension: 440 x 127 x 44mm
Graphics Card Type: Integrated Card
Hard Drive Capacity: 1TB
High-concerned chemical: None
Memory: 2x DDR4 SO-DIMM Socket, up to 64G
Memory Capacity: 32 GB
Model Number: Q20300G9 Series 1U Rack
Net weight: 1.2kg
Onboard LAN: 5x Intel i226V 2.5 Gigabit LAN
Operating System: UEFI Windows 10, UEFI Linux, pfSense, OPNsense, etc.
Origin: Mainland China
Packaging Dimension: 545 x 180 x 90mm
Preload OS: inactive Win 10 for test
Processor Brand: Intel
Processor Main Frequency: 8 cores/ 12 cores/ 16 cores
Processor Model: Intel Atom Processor C3758R/ C3758/ C3808/ C3908
SFP+: Intel 10G SFP+ Ethernet
Shell Material: Aluminium alloy
Storage: 2x M.2 for SSD & 1x 2.5-inch HDD/SSD
Tip: Don't support Arista/Untangle 17 (debian10)
Turn on when AC power is restored: IntelRCSetup - South Bridge Chipset Configuration - State After G3 - Power on
Type: Mini Desktop,Mini PC
Use: Commercial
Warranty: 12 months
Wi-Fi: NO


Enterprise-Grade 1U Rackmount Network Appliance
• Professional 1U Rackmount: Standard 19-inch 1U chassis for seamless server rack integration. No messy external adapters - Internal AC 100-240V power included.
• Extreme 10G Performance: 4x 10GbE SFP+ and 5x 2.5GbE Intel i226-V ports. The ultimate hardware for pfSense, OPNsense, and Proxmox.
• Active Cooling System: Equipped with integrated high-efficiency fans to ensure the 16-core Intel Atom C3000 stays cool under 24/7 heavy 10G traffic.
• Ultra-Fast NVMe Storage: Optimized for M.2 NVMe SSDs to provide maximum IOPS for virtualization and rapid OS boot times. (Note: need take out the fan to install a 2.5" SATA).
# Do not support Arista/Untangle NG Firewall 17 (Debian 10) and Sophos XG[No i226V LAN Drivers]
# Turn on when AC power is restored: Set in BIOS: IntelRCSetup - South Bridge Chipset Configuration - State After G3 - Power on
# If you choose RAM & SSD, it will come with No-ECC RAM & NVME SSD, pre-load inactive Win 10 for test.
Intel Denverton Processor Onboard
• Q20331G9: Intel Atom C3758R Processor, 8 Cores, 8 Threads, 16 MB Cache, 2.4 GHz. CPU TDP 26W.
• Q20332G9: Intel Atom C3758 Processor, 8 Cores, 8 Threads, 16 MB Cache, 2.2 GHz. CPU TDP 25W.
• Q20342G9: Intel Atom C3808 Processor, 12 Cores, 12 Threads, 12 MB Cache, 2.0 GHz. CPU TDP 25W.
• Q20352G9: Intel Atom C3908 Processor, 16 Cores, 16 Threads, 16 MB Cache, 2.0 GHz. CPU TDP 31W.
Front I/O & Rear I/O
• 1 x Power Button, 1 x Reset Button
• 1 x Power LED, 1 x HDD LED
• 1 x VGA (DB15)
• 1 x Nano SIM Slot
• 1 x Type C (USB 3.0)
• 1 x Mini SAS (SFF-8087 to 4 SATA)
• 1 x DC Jack
• 1 x RS-232 (RJ-45)
• 1 x USB 3.0, 1 x USB 2.0
• 5 x Intel i226V 2.5 Gigabit LAN
• 4 x 10G SFP+
Internal Connectors
• 2 x DDR4 SO-DIMM Socket, Up to 64G, ECC supported
• 2 x M.2 for SSD (M key, Type: 2280, PCIe 3.0 x 2)
• 1 x 2.5-inch HDD/SSD
• 1 x Nano SIM Slot & 1 x M.2 for 4G/5G (B key, Type: 3042/3052)
# Come with 1x SATA cables inside, need take out the fan to install a 2.5" SATA
# If wanna install 2x SATA, please choose mini case S20
# Do not support Wi-Fi by default. Contact us if you need Wi-Fi.
Mechanical and Environmental
• Material: Aluminium Alloy
• Dimension: 440 x 127 x 44mm
• Weight: 1.4kg
• Packaging Dimension: 545 x 180 x 90mm
• Kensington Lock: No
• Cooling Mode: Fan
• Operating Temp: 0°C~50°C
• Non-Operating Temp: -20°C~80°C
• Humidity: 10%~90%
Related Model: Q20300G9-S20
If you prefer to mini case, please click below link:
Motherboard is same but it's fanless design

Related Model: Q20322G9

Packing
1 x Mini PC-1U Rack
1 x Power cord (EU/ SA/ AU/ US/ CH Type)
1 x Hanger & screws
1 x Neutral box
We have US/ UK/ EU/ AU/ IT/CH plug and will choose them according to the destination.

You May Also Like
Best Mini PCs
Mini PC Windows 11 Intel Core i9 8950HK Core i3 6100U Desktop Computer 16GB DDR4 1TB2TB SSD Office Portable PC Gamer 4K HD
Mini PC Windows 11 Intel Core i9 8950HK Core i3 6100U Desktop Computer 16GB DDR4 1TB2TB SSD Office Portable PC Gamer 4K HD
XCY-X58 Fanless IPC i5-1335U i7-10710U Mini PC 2x DB9 RS232 2x Ethernet 8xUSB WiFi 4G Modem Support Win10/11 Linux DC12-19V
XCY-X58 Fanless IPC i5-1335U i7-10710U Mini PC 2x DB9 RS232 2x Ethernet 8xUSB WiFi 4G Modem Support Win10/11 Linux DC12-19V
Fanless mini pc industrial computer with USB 3.0 4*COM HDMI Intel Celeron C1037U C1007U Core i5 3317U Windows 11 Linux
Fanless mini pc industrial computer with USB 3.0 4*COM HDMI Intel Celeron C1037U C1007U Core i5 3317U Windows 11 Linux
Beelink Min S N5095 S12 N95 S13 N150 Mini PC Win11 Intel 11th Gen Jasper Lake 8GB 16GB 256GB 128GB SSD Wifi BT 1000M LAN Desktop
Beelink Min S N5095 S12 N95 S13 N150 Mini PC Win11 Intel 11th Gen Jasper Lake 8GB 16GB 256GB 128GB SSD Wifi BT 1000M LAN Desktop
Industrial Mini PC Intel Pentium J5005 4xCOM 8xUSB 2xLAN 2xHDMI SIM Slot mPCIe WiFi 4G LTE GPIO LVDS Win11/10 Linux TPM2.0
Industrial Mini PC Intel Pentium J5005 4xCOM 8xUSB 2xLAN 2xHDMI SIM Slot mPCIe WiFi 4G LTE GPIO LVDS Win11/10 Linux TPM2.0
XCY Fanless Mini PC Intel Pentium J5005 DDR4 M.2 SSD RS232/485 2x LAN GPIO mPCIE 4G LTE 8x USB LVDS HDMI TPM 2.0 Windows 11
XCY Fanless Mini PC Intel Pentium J5005 DDR4 M.2 SSD RS232/485 2x LAN GPIO mPCIE 4G LTE 8x USB LVDS HDMI TPM 2.0 Windows 11
GMKtec K8 Plus Mini PC AMD R7 8845HS 8-core 16-thread DDR5 5600Mhz Pcie 4.0 SSD WIFI6 BT5.2 Win11 Pro Desktop Gaming PC
GMKtec K8 Plus Mini PC AMD R7 8845HS 8-core 16-thread DDR5 5600Mhz Pcie 4.0 SSD WIFI6 BT5.2 Win11 Pro Desktop Gaming PC
XCY X26G Industrial Mini PC Support Windows XP/7/8/10 Linux Intel i5-3317U 1037U 4x COM RS232 8x USB HDMI VGA Mini PCIE LVDS
XCY X26G Industrial Mini PC Support Windows XP/7/8/10 Linux Intel i5-3317U 1037U 4x COM RS232 8x USB HDMI VGA Mini PCIE LVDS
XCY Fanless Industrial Mini PC Intel Core i5-3317U 4x COM DB9 8x USB Support Windows XP/7/8/10 Linux
XCY Fanless Industrial Mini PC Intel Core i5-3317U 4x COM DB9 8x USB Support Windows XP/7/8/10 Linux
TexHoo Mini PC Intel N150 N100 N95 Supports up to 16GB DDR4 512GB SSD Dual HDMI Desktop Gaming Computer
TexHoo Mini PC Intel N150 N100 N95 Supports up to 16GB DDR4 512GB SSD Dual HDMI Desktop Gaming Computer
Mini PC Intel Pentium J2900 Quad-cores 2x COM RS232 Dual Gigabit Ethernet Embedded Fanless Industrial Computer Support WiFi 4G
Mini PC Intel Pentium J2900 Quad-cores 2x COM RS232 Dual Gigabit Ethernet Embedded Fanless Industrial Computer Support WiFi 4G
2026 Intel Core i9 8950HK Mini PC Windows 11 16GB DDR4 512GB 1TB SSD Portable Gaming Mini PC WiFi6 BT5.2 4K Mini Computer PC
2026 Intel Core i9 8950HK Mini PC Windows 11 16GB DDR4 512GB 1TB SSD Portable Gaming Mini PC WiFi6 BT5.2 4K Mini Computer PC
2026 Mini PC Windows 11 Intel Core i9 8950HK Core i3 6100U Portable Desktop PC 16GB DDR4 1TB 2TB SSD Gaming Computer office PC
2026 Mini PC Windows 11 Intel Core i9 8950HK Core i3 6100U Portable Desktop PC 16GB DDR4 1TB 2TB SSD Gaming Computer office PC
Fanless Industrial Mini PC Intel N100 Dual Ethernet 2x COM DB9 RS232 RS485 3G 4G LTE SIM Card Slot GPIO WiFi Windows Linux
Fanless Industrial Mini PC Intel N100 Dual Ethernet 2x COM DB9 RS232 RS485 3G 4G LTE SIM Card Slot GPIO WiFi Windows Linux
TexHoo AMD R7 6800H 6600H 6600U 7530U 5800H 4800H 4500U Mini PC DDR5 NVMe SSD WiFi 6 BT5.2 HDMI DP Dual LAN Desktop computer
TexHoo AMD R7 6800H 6600H 6600U 7530U 5800H 4800H 4500U Mini PC DDR5 NVMe SSD WiFi 6 BT5.2 HDMI DP Dual LAN Desktop computer