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- 8th Floor, Building 2, Hengchangrong High-tech Industrial Park, No. 128, Shangnan East Road, Hongtian, Xinqiao Street, Baoan District, Shenzhen, Baoan District, Shenzhen
-4 x In-tel i226-V B3 2.5G RJ45 LANs, 2xUSB3.0, 2xUSB2.0.
-2 x DDR4 RAM Slot 2133/2400/2666/3200MHz.
-Support two storage: 1xM.2 2280 NVMe 2280+1×2.5”SATA SSD/HDD.
-Support 1xHD-MI2.0 and 1xDP1.4 dual 4K@60Hz video display.
-1 x COM ports: DB9 RS232.
-Support AES-NI, ESXI, PVE, Watchdog, Auto power on, RTC, PXE boot, Wake-on-LAN, etc.
-Full Aluminum Alloy high-quality solid-built shell, excellent cooling performance.
-Low consumption TDP and can be mounted at the back of the monitor by a VESA bracket(optional).

The GT4L-V4 is a compact fanless firewall mini PC designed for network security, VPN routing, virtualization, and edge network applications. Built with a full aluminum alloy enclosure and three-sided heat-dissipation fins, it delivers quiet, stable 24/7 operation without a cooling fan. With 4× Intel i226-V 2.5G LAN ports, RJ45 COM, DDR4 memory, NVMe storage, SATA expansion, dual 4K display output, and optional WiFi or 4G connectivity, it is a reliable hardware platform for pfSense, Linux, Windows, ESXi, and Proxmox VE deployments.
1. 4× Intel i226-V B3 2.5G RJ45 LAN ports for high-speed firewall, router, and VPN applications.
2. Fanless aluminum alloy chassis with three-sided finned cooling for silent and reliable 24/7 operation.
3. Supports Intel Celeron 7305, Core i3-1115G4, Core i5-1135G7, and Core i7-1165G7 processor options.
4. 2× DDR4 SODIMM memory slots, supporting up to 32GB RAM.
5. 1× M.2 2280 NVMe SSD plus 1× 2.5” SATA SSD/HDD for flexible storage expansion.
6. HDMI 2.0 and DP 1.4 outputs support dual 4K@60Hz display for monitoring and management.
7. RJ45 COM console port for network device management and remote maintenance.
8. SIM slot and Mini PCIe wireless slot support optional WiFi, 3G, or 4G expansion.
9. Supports AES-NI, Watchdog, RTC, Auto Power On, PXE Boot, Wake-on-LAN, ESXi, and Proxmox VE.
10. Compact 178×122×55mm design with optional VESA mounting for desktop, wall, or monitor-back installation.
1. Network Security Gateway
2. Firewall & VPN Router Deployment
3. Enterprise Office Network
4. Branch Office Networking
5. Retail & Chain Store Network Management
6. Server Room / Network Lab
7. Industrial Edge Network
8. Remote Monitoring & Control Systems
9. Virtualization Platform
10. Small Business Router Appliance
| Basic Information: | |||
| CPU | 1.Intel Celeron 7305, 5 core 6threads 1.1GHz, 8M Cache, Intel® UHD Graphics for 12th Gen Intel® Processors | ||
| 2. Intel Core i3-1115G4 Dual cores, 4 threads 3GHz-4.1GHz 6M Cache Intel UHD Graphics | |||
| 3. Intel Core i5-1135G7 Quad cores, 8 threads 2.4GHz-4.2GHz 8M Cache Intel Iris Xe Graphics | |||
| 4. Intel Core i7-1165G7 Quad cores, 8 threads 2.8GHz-4.7GHz 8M Cache Intel Iris Xe Graphics | |||
| TDP | Up to the CPUs | ||
| Motherboard Size | 120 x 120 mm customized size | ||
| BOIS | AMI BIOS, ACPI supported | ||
| Memory | 2*SODIMM memory slot 4GB/ 8GB/ 16GB/32GB RAM DDR4 | ||
| OS | Windows 7/Windows 8/Windows 10/Linux/pfSense | ||
| Network | 4 x Intel i226-V B3(2.5G network card) | ||
| Video | Refer to CPU | ||
| Storage: | |||
| MSATA | 1 x M.2 Nvme 2280 128GB/256GB/512GB/1TB/2TB optional | ||
| SATA | 1* 2.5inch SATA HDD 500GB/ 1TB / 2TB Max | ||
| Wi-Fi: | |||
| Module | 1 x mini PCIE-half port for Wi-Fi module | ||
| Antenna | 2 x inner RF cables and 2 x external antennas | ||
| Input/output port: | |||
| Switch | 1 x Power On/Off Switch | ||
| Power | 1 x 12V DC In | ||
| LED | 1 x Power LED, 1 x HDD LED | ||
| USB | 2 x USB3.0+2 x USB2.0 | ||
| Display | 1xHD-MI2.0 and 1xDP1.4 support dual 4K@60Hz UHD video display | ||
| LAN | 4*Onboard Intel i225-V B3 2.5G RJ45 LAN | ||
| COM | 1*RJ45 COM | ||
| SIM | 1 x SIM Card slot | ||
| WIFI | Dual band 2.4GHz/5.0GHz(Optional need pay extra USD8/PCS) | ||
| Power and Working Environment: | |||
| Input | DC100-240V AC/50-60Hz | ||
| Output | DC12V-4A 5.5*2.5 / DC12V-7A 5.5*2.5 | ||
| Operating Temperature | -10/+60Centigrade | ||
| Storage Temperature | -20/+70 Centigrade | ||
| Relative Humidity | 0%~90%@30 (non-condensing) | ||
| Product Dimension & Details: | |||
| Functions | Support AES-NI, ESXI, PVE, Watchdog, Auto power on, RTC, PXE boot, Wake-on-LAN | ||
| Size | 178*122*55mm | ||
| Weight | Net 1.2kg, Gross 2kg | ||
| Shell | Black color aluminum alloy | ||
| Mounting | Can be mounted back of monitor or wall by optional VESA mount | ||
| Cooling Mode | Fanless | ||
| Package Content: | |||
| Standard | 1xMini PC, 1xPower Adapter, 1xPower Cord, 1xScrews Bag | ||
| Optional | 1xUser Manual, 1xVESA mount | ||
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