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El blog de Townsend Networks
Información práctica para compradores de hardware: tiempos de entrega, fechas de fin de vida útil, el cálculo del costo total del equipo reacondicionado y lo que de verdad importa en el mercado secundario. Escrito por quienes prueban este equipo todos los días.
Airflow Suffixes Explained: Arista -F and -R, Juniper AFO and AFI
The same switch is sold with air moving in two opposite directions, and the only clue is a letter or three at the end of the part number. What -F, -R, AFO and AFI mean, how to pick the right one for your rack, and why the fans and power supplies must all match.
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Ruckus ICX 7150 vs ICX 7250: Choosing a Campus Access Switch, and Reading the Part Number
Two 1U Ruckus (formerly Brocade) access switches that look alike on a spec sheet. The real differences are the number of 10GbE uplinks, fanless models, and how the uplinks were licensed, which the part number tells you if you know how to read it.
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Juniper MX204 vs MX304: Which Edge Router to Buy Refurbished
Both are compact Juniper MX edge routers. One is a 1U, 400 Gbps fixed box; the other is a 2U, 4.8 Tbps modular chassis with 400GbE ports and routing-engine redundancy. How to pick, and what to check before buying either one refurbished.
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The AI Buildout Is Squeezing Enterprise Switch Supply: What It Means for Your Refresh
Hyperscalers are absorbing switch silicon and optics capacity at a record pace. Here's what the AI data-center boom means for enterprise lead times, pricing, and how to plan a refresh around it.
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Cisco End-of-Life Deadlines, 2026-2028: What's Expiring and What to Do About It
ASA 5500-X support ends this August. Catalyst 3650 goes dark in October. A field guide to the Cisco last-day-of-support dates hitting between now and 2028, and the migrate, sustain, or sell decision for each.
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Refurbished vs. New in 2026: The Real TCO Math for Network Hardware
Refurbished enterprise gear typically runs 40-90% below list. Even Cisco's own remanufactured line prices 25-70% under. The honest TCO comparison: where the savings are real, where new still wins, and how to avoid the counterfeit trap.
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Wi-Fi 7 and 800G Are Here. Here's What a Mid-Size Enterprise Actually Needs
Wi-Fi 7 APs are shipping from every major vendor, and 800G optics dominate the AI headlines. A practical guide to which upgrades matter for a mid-size network in 2026, and the switch-layer costs nobody puts on the first slide.
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Decommissioning a Rack? How to Turn Retired Network Gear into Budget
Retired switches and routers are an asset, not a disposal problem. What holds value in 2026, why timing beats haggling, and the data-sanitization and chain-of-custody standards to demand before anything leaves the building.
Leer más →¿Está renovando o dando de baja equipo?
Hardware empresarial probado y con garantía, en existencia ahora, y ofertas en efectivo por el equipo que está retirando. Cada cotización la responde una persona.