{"product_id":"firewall-mini-pc-n355-16gb-ddr5-128gb-ssd-fanless-6x2-5gbe","title":"Firewall Mini PC N355 16GB DDR5 128GB SSD - Fanless 6x2.5GbE","description":"\u003cp\u003eIn this review the Firewall Mini PC N355 is evaluated as a compact, fanless network appliance aimed at small offices and advanced home labs that need multi-port routing and strong throughput. The bottom line: it stands out for its six native 2.5GbE ports and upgradeable storage and memory, making it a practical choice for anyone who wants a ready-to-run hardware platform for OPNsense or Windows 11 Pro. The review focuses on real-world fit, showing where the unit excels and where users should manage expectations.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 x 2.5GbE LAN:\u003c\/strong\u003e Six Intel i226V ports provide higher-than-gigabit throughput for multi-WAN, VLAN and firewall scenarios without extra NICs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12th Gen N355 Processor:\u003c\/strong\u003e Twin Lake N355 with 8 cores and burst up to 3.9 GHz offers adequate CPU headroom for firewall, VPN and IDS\/IPS workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDDR5 16GB RAM:\u003c\/strong\u003e A single DDR5 SO-DIMM slot at 4800MHz supports responsive packet handling and virtualized network services.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual NVMe + SATA storage:\u003c\/strong\u003e Two M.2 NVMe slots plus a SATA 3.0 bay let users configure fast system drives and larger data storage or failover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFanless design with optional fan:\u003c\/strong\u003e Passive cooling keeps noise to zero in typical duty cycles while a 12V 4-pin fan can be added for heavier loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple display support:\u003c\/strong\u003e Two HDMI\/DP outputs plus a USB Type-C support 4K@60Hz for local management or monitoring screens.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Firewall Mini PC N355 is aimed at small businesses, network enthusiasts and lab users who need multiple physical 2.5GbE ports in a compact, low-power appliance. It is particularly useful for those running OPNsense, OpenWrt, ESXi or Linux, or who want Windows 11 Pro available for mixed workloads.\u003c\/p\u003e\n\u003cp\u003eIt is not for users who require many drive bays, extremely high-end CPU performance, or a plug-and-play consumer router with guided setup. Buyers who need carrier-grade redundancy or dozens of SFP ports should look at rack appliances instead.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh port density with six native 2.5GbE interfaces makes network design simpler without PCIe add-ons.\u003c\/li\u003e\n\u003cli\u003eUpgradeable storage and memory with two NVMe slots and DDR5 support allow flexible system configuration.\u003c\/li\u003e\n\u003cli\u003eFanless chassis keeps noise out of the room while offering optional active cooling for heavy use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSingle SO-DIMM limits maximum RAM capacity compared with dual-channel designs, which may affect memory-heavy virtualized setups.\u003c\/li\u003e\n\u003cli\u003eCompact chassis offers limited internal drive expansion beyond the single 2.5\" bay and two M.2 slots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eTwin Lake Intel N355, 8 cores \/ 8 threads, up to 3.9 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003e6 x Intel i226V 2.5GbE LAN ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e1 x DDR5 SO-DIMM slot, 4800MHz (16GB installed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003e2 x M.2 2280 NVMe PCIe3.0 slots; 1 x SATA 3.0 bay (2.5\" SSD\/HDD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraphics \/ Display\u003c\/td\u003e\n\u003ctd\u003eIntegrated UHD Graphics (32 EUs) with dual HD outputs + Type-C, 4K@60Hz support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eFanless chassis; 12V 4-pin small fan supported (cable included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Compatibility\u003c\/td\u003e\n\u003ctd\u003ePreinstalled Windows 11 Pro; supports OPNsense, Linux, ESXi, OpenWrt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Firewall Mini PC N355 is a strong value for small businesses and power users who need multiple 2.5GbE ports and flexible storage in a silent, compact package. It pairs good CPU performance with modern DDR5 memory and dual NVMe capability, making it a capable hardware platform for OPNsense or mixed OS deployments; choose it when port density and low-noise operation matter more than maximum RAM or large internal storage bays.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this run OPNsense out of the box?\u003c\/strong\u003e\u003cbr\u003eYes, the device supports OPNsense and similar firewall OS options; Windows 11 Pro is preinstalled if needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many drives can be installed?\u003c\/strong\u003e\u003cbr\u003eIt has two M.2 NVMe slots plus one SATA 3.0 bay for a single 2.5\" SSD or HDD.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs active cooling required?\u003c\/strong\u003e\u003cbr\u003eNo, the chassis is fanless for quiet operation but includes a 4-pin fan cable if additional cooling is desired under heavy load.\u003c\/p\u003e","brand":"Glovary","offers":[{"title":"Default Title","offer_id":48638095229147,"sku":"B0DX6PLDGN","price":519.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71_V1UIaNjL._AC_SL1500_5eb4cd3d-e1de-4803-b044-94440591058d.jpg?v=1778542129","url":"https:\/\/gearmusthave.com\/products\/firewall-mini-pc-n355-16gb-ddr5-128gb-ssd-fanless-6x2-5gbe","provider":"GearMustHave","version":"1.0","type":"link"}