SonicWall TZ400 security firewall appliance

Yes. Every refurbished unit sold by ITRefurb — including this one — passes our 5-step QC: visual inspection, stress test, battery health (where applicable), full NIST 800-88 data wipe and a final hand-off check. The cosmetic grade on this listing tells you exactly what to expect when the unit arrives.

Yes. Tell us the quantities and models on WhatsApp and we'll share a per-unit quote and an availability window before any payment. Bulk / B2B pricing is available for offices, schools, NGOs, startups and resellers.

The displayed price is the per-unit base price. Bulk orders qualify for tiered pricing — message us with your quantity on WhatsApp and we'll come back with a revised quote before any payment.

Yes — as of right now, this listing is live. Stock moves daily, especially for Firewall gear, so tap 'Chat on WhatsApp' to confirm availability before paying. We'll reserve the unit for you once a deposit is confirmed.

Yes, for most products. Send the exact specification you need (processor, RAM, storage, ports or any other listed spec) on WhatsApp — we'll confirm feasibility and a per-unit delta. Some configurations require a custom order with a 5-7 day lead time.

Yes — browse the full SonicWall catalogue at /products/brand/sonicwall or tap the 'Explore the brand' card on this page. We carry SonicWall laptops, desktops, servers, networking and accessories depending on current availability.

Pan-India shipping is arranged on WhatsApp after your payment is confirmed — we share a tracking link as soon as the courier picks the unit up. Each order ships with the cosmetic grade certificate. All units are sold as-is; see our /legal/terms for the full policy.