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Selecting a PC case requires matching the Motherboard Form Factor (ATX, Micro-ATX, or ITX) with the case size. Ensure the case provides sufficient GPU Clearance (length in mm) for high-end graphics cards and CPU Cooler Height clearance for tower heatsinks. For B2B buyers, prioritizing Modular Internal Layouts allows for easier assembly and future hardware upgrades.
Effective cooling is critical. Look for cases with Mesh Front Panels for maximum airflow and support for Multiple Fan Mounts (120mm or 140mm). If your clients use liquid cooling, verify Radiator Compatibility (240mm, 280mm, or 360mm) at the top or front positions. Dust Filters with magnetic attachments are essential for long-term maintenance and hardware longevity.
High-quality cases typically use SPCC Cold Rolled Steel with a thickness of at least 0.5mm to 0.8mm to prevent structural warping. For the side panels, Tempered Glass (usually 4mm thick) is preferred over acrylic for scratch resistance and premium aesthetics. Ensure the Surface Coating is anti-static and corrosion-resistant to meet international quality benchmarks.
To ensure smooth customs clearance and consumer safety, products should comply with CE, RoHS, and FCC certifications. For the European market, REACH compliance regarding chemical substances in plastics is vital. If the case includes a pre-installed Power Supply Unit (PSU), it must meet 80 PLUS efficiency standards and local electrical safety regulations.
PC cases are high-volume, fragile items. Insist on K=K Double Corrugated Cartons and high-density EPE Foam (Expanded Polyethylene) rather than cheap EPS foam. Request Drop Test Reports from the supplier and ensure that tempered glass panels are protected with Explosion-proof Film and reinforced corner protectors.
Because PC cases are 'light cargo' (high volume, low weight), shipping costs are often calculated by Volumetric Weight. To optimize costs, choose Flat-Pack (SKD) Shipping if you have local assembly capabilities, or select models with Optimized Packaging Dimensions that maximize container utilization (TEU/FEU). Sourcing through Made-in-China.com allows you to find suppliers experienced in FCL (Full Container Load) optimization.
For OEM/ODM projects, the Minimum Order Quantity (MOQ) usually ranges from 300 to 500 units for custom tooling or logo silk-screening. Negotiate for Sample Lead Times of 7-10 days and request a Golden Sample for final approval before mass production. Use Trade Resources on Made-in-China.com to verify the supplier's factory capacity and R&D strength.
Always use Secure Payment Terms such as Letter of Credit (L/C) or specialized trade assurance services. Conduct a Pre-shipment Inspection (PSI) via a third-party agency to verify the AQL (Acceptable Quality Level). Ensure the contract clearly defines the Defective Rate Allowance (typically <1%) and the method for providing Spare Parts (like extra screws, IO panels, or glass panels).