Support

Frequently Asked Questions

Can I buy directly through this website?

This site is a product catalog, not a checkout — it doesn't process online orders or payments. To buy a product, contact us and we'll take it from there.

What products do you carry?

131 HDMI and USB-C cables and adapters across 6 lines — the XO Platinum HDMI range (Standard, PRO GOLD, Platinum II, HDMI to DVI, Twin Packs) and Cablesson USB-C adapters. View the catalog →

Where is Sastem Inc based, and where do orders ship from?

Sastem Inc is registered at 1309 Coffeen Avenue Ste 1200, Sheridan, WY 82801, United States. Orders are dispatched from the US via USPS or UPS.

Do you ship internationally?

Yes — we ship to most international destinations via USPS International or UPS. International shipments may be subject to customs duties in the destination country. Delivery Information →

What's the warranty on your cables?

The XO Platinum HDMI range carries a 2-year (24 month) warranty. Warranty details →

My order arrived damaged — what do I do?

Contact us within 7 days of delivery and we'll arrange a refund or replacement. Returns & Refund Policy →

How do I get in touch?

Email support@sasteminc.com or use the contact form — we aim to respond within 48 hours. Contact us →