When your RFQ lands in our inbox, the first thing we do is not calculate a price. We run a Design for Manufacturing (DFM) review on your PCBA files. This step is where purchasing becomes clear, or where it becomes a headache. For AI and data-center server teams across African manufacturing markets, the difference between a smooth build and a stalled line often comes down to how early we catch design issues. Here is how we turn that review into a clearer quotation for you.
Why a DFM review changes your quote
A bare-bones quote only multiplies component costs by quantity. That number is useless if your board has a via-in-pad that requires plugging, or a component that is on a 52-week lead time. Our DFM review looks at your Gerber files, BOM, and assembly drawings before we commit to a price. We do this to avoid surprises on the factory floor. When we say a board is buildable, we mean we have checked the clearances, the hole sizes, and the component footprints against our actual equipment capabilities.
Technical reference: For related engineering context, see IPC standards and industry resources.
For server boards, the stakes are higher. These boards run dense routing, high layer counts, and heavy copper planes. A minor spacing violation can cause a short during thermal cycling. We catch that in review, not after you have paid for a prototype run.
The three documents we need from you
To give you a clear quotation, we need three things. First, the Gerber files, usually RS-274X format. Second, the BOM in Excel or CSV with manufacturer part numbers, not only descriptions. Third, the assembly drawing showing polarity, pin one indicators, and any mechanical dimensions. If you have a PDF of the schematic, that helps us cross-check the BOM, but it is not mandatory.
We often see BOMs with "capacitor 10uF" and no part number. That forces us to guess. We do not like guessing. A clear BOM with alternates listed saves you a week of email back-and-forth. When you send us a complete package, we can return a DFM report and a firm quote within two business days. If you send us only a schematic, we will ask questions.
What we check on your board files
Our DFM review is not a software click-through. An engineer looks at your files with a specific set of questions. Here is the short list we run through on every server board:
- Minimum trace width and spacing versus our etching capability.
- Drill hole size versus finished hole size after plating.
- Copper-to-edge clearance for panel routing.
- Solder mask registration and whether the pads are fully exposed.
- Silkscreen overlap on pads, which causes soldering defects.
- Component placement orientation, especially for polarized parts.
- Via-in-pad locations and whether they need filled or plugged.
- Panelization requirements for boards with breakaway tabs.
- Impedance control notes for high-speed differential pairs.
- Thermal relief on ground planes connected to through-hole pins.
Each of these items affects cost. For example, a board with 5 mil traces is more expensive to etch than one with 8 mil traces. A via-in-pad that needs conductive fill adds a process step. We list these findings in a DFM report, and you get to see exactly why the price is what it is. No hidden fees.
How we handle BOM risks for server parts
The BOM review is where we earn our keep. AI server boards use high-performance components like FPGAs, high-speed connectors, and power management ICs. Many of these parts are on allocation. We check every line item against current stock levels at our components distributors. If a part is obsolete or has a long lead time, we flag it immediately.
We also look for counterfeit risks. If a part is listed at a price far below the market average, we tell you that is a red flag. We do not source from unknown brokers. We work with franchised distributors and the original manufacturers. This is not a moral stance; it is a practical one. A counterfeit FPGA can fail in the field, and the cost of a server downtime event is far higher than the savings on a part.
For the BOM, we ask you to provide alternates for critical components. If the primary part is unavailable, we need a second source that is electrically equivalent. We will not swap a part without your approval, but we will tell you if the alternate is a drop-in or if it requires a layout change.
Your role in the DFM process
We can do a lot with your files, but we need you to answer a few questions. What is the expected operating environment? Is this board for a data center with controlled humidity, or a manufacturing floor with vibration? What is the expected production volume over the next 12 months? This changes our recommendation on panelization and test strategy.
We also need to know your timeline. If you need boards in three weeks, we will tell you if that is realistic. If it is not, we will propose a split build: a small batch of bare boards for testing while the long-lead components arrive. This is a practical way to keep your project moving without waiting for a full kit of parts.
The cost drivers we surface early
Here is a table that shows the typical cost drivers we find in server PCBA projects. This is based on our general experience in the industry, not on any specific customer data. Use it as a checklist when you review your own design.
| Design Feature | Cost Impact | What We Recommend |
|---|---|---|
| Blind/buried vias | High | Use through-hole vias where possible |
| Fine pitch BGA (0.4mm) | High | Confirm via-in-pad fill process |
| Controlled impedance | Medium | Specify stack-up clearly |
| Heavy copper planes (2oz+) | Medium | Check etch factor on trace widths |
| Press-fit connectors | Medium | Verify hole tolerance for press-fit |
| Selective soldering | Low | Group through-hole parts on one side |
| Conformal coating | Low | Mask test points before coating |
This table is a starting point. We will go through each line item with you if you ask. Our goal is to make the quotation transparent, so you can see the cost of each decision you made in the design phase.
How we turn the review into a clear quote
Once the DFM review is complete, we send you a report with three sections. The first section lists critical issues that must be fixed before we can build. The second lists recommended changes that would improve yield or reduce cost. The third is a list of questions we need you to answer.
After you respond, we issue the quotation. The quote includes a line-by-line breakdown: bare board fabrication, component sourcing, assembly labor, testing, and logistics. We do not lump everything into one number. You need to know what you are paying for, especially if you are comparing quotes from multiple suppliers.
What we do not do
We do not guarantee a yield percentage. That is a made-up number in many marketing materials. We do not promise that every board will pass functional test, because that depends on your design and test coverage. We do not claim to be the cheapest option. We claim to be clear about what we can do and what it will cost.
We also do not ignore your files for a week. If you send us a complete package, we respond within two business days. If we find a problem, we tell you immediately, not after you have already approved the quote. This is how we build trust with procurement teams who have been burned by vague promises before.
Questions we ask before we quote
Before we send a final price, we ask a few direct questions. Do you need the boards shipped to a specific port or warehouse? Do you have a preferred carrier? Are you handling customs clearance yourself, or do you need us to arrange it? For African manufacturing markets, logistics is often the biggest variable. We can quote DDP or EXW, but we need to know your preference.
We also ask about payment terms. This is not a test; it is a practical conversation. We can discuss terms that work for your cash flow, but we need to know your company's standard practice. The clearer you are, the faster we can move.
Working with our team on your next build
When you are ready to move forward, send us your files through our quote page. We will start the DFM review the same day. We do not charge for the initial review, and we do not require a purchase order to look at your files. If you are comparing us to another supplier, that is fine. You will have a clear picture of what we can do.
We also support projects that are still in the design phase. If you have a schematic but no layout yet, talk to us. We can review the schematic for manufacturability issues before you commit to a board layout. This saves you a re-spin later. For pcbManufacturing questions, we can guide you on stack-up and material choices that match our assembly capabilities.
Moving from quotation to production
Once you approve the quote, we order components and book the assembly line. We send you a production schedule with clear milestones: component arrival, board fabrication start, assembly start, test completion, and ship date. We update you if anything changes. You do not have to chase us for status; we send weekly updates automatically.
For AI and data-center server teams, time is money. A delay in a prototype board can push back a product launch. We understand that. Our DFM review is the first step in making sure your project stays on schedule. We catch the problems before they become delays.
FAQ
What is the difference between a DFM review and a standard quotation?
A standard quotation is a price based on your stated quantities and a quick look at your BOM. A DFM review is a detailed analysis of your Gerber files, BOM, and assembly drawings to identify manufacturability issues before pricing. We do the review first, so the quote we give you reflects the actual cost of building your board, not an estimate that changes later.
How long does a DFM review take for a server board?
For a typical server motherboard with 20 to 30 layers, we complete the initial review within two business days. If the design is very dense or has unusual requirements, it might take one additional day. We prioritize reviews for customers who have an urgent timeline, and we will tell you upfront if we cannot meet your deadline.
What if you find errors in my design files?
We send you a clear report with the errors listed, a description of why each one is a problem, and a suggested fix. You can make the changes and send us the revised files, or you can ask us to recommend a design partner. We do not charge for the initial review, and we do not charge for a second review after you update the files. We want to get your board built correctly.
