Zalman HD503

The Zalman HD503 is a HTPC with room for ATX, Micro-ATX, Mini-ITX motherboards. It includes 2 fans pre-installed and mounts up to 6. GPU clearance reaches 400mm — room for full triple-fan flagship cards — with 170mm of air-cooler headroom. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing.

Warranty coverage follows Zalman's standard policy — confirm regional terms on the listing. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked. Not sold on this particular PC case? Browse the category listing to line it up against similarly priced alternatives.