Best 1u Firewall Server

Qotom-Q350G4 Computer Barebone Intel Core i5 4200U Mini PC 4 LAN Fanless Desktop Router Firewall Industrial Mini PC (NO RAM + NO SSD + NO WiFi + NO OS)

Main Port: 1 HD Video Port + 1 COM + 2 USB 2.0 + 2 USB 3.0 + 4 LAN..
CPU: Intel Core i5-4200U SOC Processor (Haswell, Dual Core, 3M Cache, 1.6GHz, up to 2.6GHz). Support AES-NI..
Configuration: Barebone-S05 (NO DDR3L RAM, NO mSATA SSD, NO 2.5" SATA HDD, NO WiFi, NO OS, Fanless).
Perfect fit for a LAN or WAN router, firewall, proxy, WiFi access point, VPN appliance, DHCP Server, DNS Server, etc..

Main Port: 1 HD Video + 1 COM + 2 USB 2.0 + 2 USB 3.0 + 6 LAN..
CPU: Intel Core i5-7200U Processor (Kaby Lake, Dual Core, 3M Cache, 2.50GHz, up to 3.10GHz)..
Configuration: Barebone-S05 (NO DDR4 RAM, NO mSATA SSD, NO 2.5" SATA HDD, NO WiFi, NO OS, Fanless).
It support Mini-PCIe-PCIe signal WiFi. If you wanna use pfsense or similar OS, please install WiFi card with Atheros chipset to get better compatibility..
Perfect fit for a LAN or WAN router, firewall, proxy, WiFi access point, VPN appliance, DHCP Server, DNS Server, etc..

This 19 inch rackmount is specifically designed to house Raspberry Pi 4 B, 3 B/B+ and other B/B+ boards, supports up to 4 units. NOTE: The reserved mounting hole just compatible with keystone jacks, please search for ASIN B08YMZR666, B08YNHZQ4S, B098WPV8T8 and B0991TYMY3 to get the HDMI, RJ45, USB 3.0 and blank keystone jacks..
Standard 1U Size: 19"×1.75"(482.6×44.5mm), fully compatible with 19” server racks, had no issue plugging this into the 1U rack space..
Easy to Install: 4 slots for raspberry pi B/B+ boards, fixed with included screw.
8 slots for optional inserts like HDMI, LAN, USB.
the rack can be vertical fixed on the mounting rail (the rack mount screw is not included)..
Quality Built: Nice and sturdy gauge of 1.2mm carbon steel used in its creation, matte black powder coat finish, have nothing breaking off, paint chips, sharp exposed edges (plate corners are rounded off smooth)..
Application: A housing solution to optimize the workspace, can be used for Raspberry Pi clusters, video walls, and so on..

EASY MOUNTING: This 19” 1U server rack cable manager mounts vertically or horizontally to your 19” 2 or 4-post rack to help organize networking cables in your data center.
REDUCE CABLE STRAIN: This horizontal-mount D-ring organizer features five 3” high ABS plastic D-rings, enabling you to route your cables where needed and reducing strain on network equipment ports.
PASSIVE COOLING: While routing cords away from equipment and functioning as a blanking panel, this cord organizer improves airflow and reduces heat-related damage to equipment.
VERSATILE USE: This server rack cable management panel offers the ability to remove the D-rings you don’t require, and the ability to position end hooks for vertical or horizontal cable management.

Appropriate Size for Using: the 1U cable management is about 19 x 1.75 inches, 1.5 inches in depth, the appropriate size can meet the requirements of large size cabinet wiring.
Wide Range of Applications: the cable management rack 1U has a wide range of applications, quite suitable for home, office, server room or other places, keeping your cables arranged on the rack tidily.

Main Port: 1 VGA + 1 USB 3.0 + 3 USB 2.0 + 4 LAN..
CPU: Intel Celeron BayTrail SOC Processor J1900 (Quad-Core 2.0 GHz, Up to 2.42 GHz 2M Cache)..
Configuration: Barebone-S07 (150M WiFi, NO DDR3L RAM, NO mSATA SSD, NO OS, Fanless).
WiFi is incompatible with pfSense (only support AP-mode), please reinstall other OS if necessary..
Perfect fit for a LAN or WAN router, firewall, proxy, WiFi access point, VPN appliance, DHCP Server, DNS Server, etc..

Main Port: 1 VGA + 1 USB 3.0 + 3 USB 2.0 + 4 LAN..
CPU: Intel Celeron BayTrail SOC Processor J1900 (Quad-Core 2.0 GHz, Up to 2.42 GHz 2M Cache)..
Configuration: 8GB DDR3L RAM, 32GB mSATA SSD, NO WiFi, Fanless.
Perfect fit for a LAN or WAN router, firewall, proxy, WiFi access point, VPN appliance, DHCP Server, DNS Server, etc..
We pre-install Unactivated Windows 7 in English for test without any Windows license. You also can install OS and software package by yourself. Press F11 key boot from USB Drive, press Delete key enter into BIOS..

Lenovo ThinkSystem SR530 is your reliable, easy to manage, and scalable 1U rack server, designed to excel at running a wide range of applications for small businesses up to large enterprises.
rail kit is included for easy server installation.
Get professional-grade performance with Dual (2) Intel Xeon Silver 4110 8-Core 2.10GHz 11MB processors, with up to 3.2GHz turbo.
Multitask with ease with 32GB DDR4 memory.
Store more with 16TB (4 x 4TB) of high capacity hard drive storage.
Hard drives and memory upgrades included separately NOT installed, installation required..

Lenovo ThinkSystem SR250 is your budget friendly, reliable, and easy to manage 1U rack server, designed to excel at running a wide range of applications for small to medium sized businesses.
rail kit is included for easy server installation.
Get professional-grade performance with Intel Xeon E-2136 6-Core 3.3GHz 12MB processor, with up to 4.5GHz turbo.
Speed, quality and reliability with 64GB DDR4 memory.
Increase application performance, manage information more efficiently and store plenty of data with 4TB (4 x 1TB) 6Gb/s SATA III Solid State Drives.
Hard drives and memory upgrades included separately NOT installed, installation required..