{"product_id":"cisco-isr4321k9-integrated-services-router-2-ge-2-nim-4g-flash-4g-dram-refurbished","title":"Cisco ISR4321\/K9 Integrated Services Router | 2 GE, 2 NIM, 4G Flash, 4G DRAM - Refurbished","description":"\u003ch3\u003eCisco ISR4321\/K9 — Enterprise Branch Router with 10-Year Warranty\u003c\/h3\u003e\n\u003cp\u003eSave up to 80% over list price on this fully tested, refurbished Cisco 4321 Integrated Services Router. The ISR4321\/K9 delivers secure, high-performance WAN routing for small to mid-size enterprise branch offices — with SD-WAN readiness, advanced security, and scalable throughput in a compact 1RU rack-mountable chassis.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ISR4321\/K9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThroughput:\u003c\/strong\u003e 50 Mbps default, upgradable to 100 Mbps via performance license (FL-4320-PERF-K9)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWAN\/LAN Ports:\u003c\/strong\u003e 2x onboard Gigabit Ethernet (10\/100\/1000) — 2 RJ-45 + 1 SFP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpansion:\u003c\/strong\u003e 2 NIM slots, 1 ISC slot for modular flexibility (LTE, T1\/E1, EtherSwitch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 4 GB Flash \/ 4 GB DDR3 DRAM (expandable to 16 GB Flash \/ 8 GB DRAM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e 1RU rack-mountable or wall-mountable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware:\u003c\/strong\u003e Cisco IOS XE with support for SD-WAN, DMVPN, IPsec VPN, QoS, NAT, and Zone-Based Firewall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManagement:\u003c\/strong\u003e 1 RJ-45 console port, 1 auxiliary port, 1 USB 2.0 port\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy from Reef Telecom?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndustry-leading 10-year warranty\u003c\/strong\u003e on all refurbished equipment\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFree shipping\u003c\/strong\u003e on orders over $300\u003c\/li\u003e\n\u003cli\u003e✅ Every unit professionally inspected, tested, and certified before shipment\u003c\/li\u003e\n\u003cli\u003e✅ Trusted by IT professionals and enterprises nationwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Use Cases\u003c\/h3\u003e\n\u003cp\u003eThe Cisco 4321 ISR is the go-to router for enterprise branch offices, retail locations, and remote sites that require secure WAN connectivity, VPN termination, and converged services including voice (SRST\/CUBE) and application-aware routing. Fully compatible with Cisco SD-WAN (Viptela) controller deployments and traditional IOS XE dynamic routing configurations.\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Refurbished","offer_id":48878426652889,"sku":"ISR4321\/K9-R","price":255.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0016\/5327\/6707\/files\/cisco-4321-isr-router-isr4321k9-isr4321k9-r-reef-telecom-63895.webp?v=1782936995","url":"https:\/\/www.aloinfousa.com\/zh\/products\/cisco-isr4321k9-integrated-services-router-2-ge-2-nim-4g-flash-4g-dram-refurbished","provider":"aloinfousa.com","version":"1.0","type":"link"}