Sourcing checklist

Data Center Hardware RFQ Checklist

Data center hardware RFQ packages need drawings, revisions, quantities, inspection needs, timing, and supplier scope. Use this complete checklist.

7 minute readUpdated September 28, 2026

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Figure 1. Sheet metal, machined aluminum, and copper components beside a CAD screen and document folder.

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How to use this guide

Use it with the data center hardware manufacturing hub, review the relevant manufacturing capabilities, then prepare the controlled files and acceptance criteria before submitting an RFQ.

Step 1: Design files

Send controlled design files

A supplier needs both geometry and the requirements that geometry alone cannot carry.

Include a neutral 3D model and a controlled PDF drawing for each custom part. Use clear filenames and put the revision on the drawing, purchase request, and file package.

Add assembly context when a component must align with rails, boards, connectors, hoses, seals, or neighboring panels.

STEP or other agreed neutral model
Controlled PDF drawing with revision
Assembly view for critical interfaces
BOM or scope list separating custom and purchased items

manufacturing quote package with unbranded component models and organized documents — Figure 2. Component models and organized documents in a manufacturing quote package.

Step 2: Scope

Define quantity, timing, and supply scope

Prototype and production quotes answer different commercial questions.

List quantity by phase, requested delivery date, target build location, and whether the supplier should quote tooling, finishing, hardware installation, packaging, or special handling.

If volume is uncertain, request named quantity breaks rather than one blended estimate. Keep forecasts separate from committed order quantities.

Quantity by prototype, pilot, and production phase
Requested delivery date and ship-to region
Included operations and supplier-furnished items
Named quantity breaks and forecast assumptions

RFQ field	Decision it supports
Quantity by phase	Process and tooling choice
Delivery need	Capacity and lead-time review
Supply scope	Comparable supplier pricing

Diagram showing required RFQ inputs and the questions each input resolves — Figure 3. RFQ package map covering geometry, scope, volume, timing, and acceptance.

Step 3: Quality

State acceptance and documentation needs

Ask for records only when they support a defined requirement.

Identify critical characteristics, datum scheme, sampling expectation, and any requested dimensional or material documentation. MakerStage can quote inspection reports, CMM reports, and material test reports when requested.

Do not use a report request as a substitute for acceptance criteria. The drawing or specification should state what is measured and what result passes.

Critical characteristics and datums
Sampling or first-article expectation
Dimensional-report or CMM-report request
Material test report request and traceability scope

machined component on a coordinate measuring machine table with probe parked above the part — Figure 4. Machined component on a CMM table with the probe above the part.

Step 4: Review

Resolve assumptions before award

A useful DFM review converts open questions into controlled decisions.

MakerStage includes a free DFM review with each RFQ. Review proposed process changes, tolerance questions, alternate materials, finish details, and inspection access before accepting the quote.

Record approved answers in the controlled package. Email history alone is a weak source of truth for future builds.

Disposition every supplier assumption
Update the model or drawing when requirements change
Identify approved alternates explicitly
Issue one final revision for the order

Use the checklist to define a quote, not to delegate system design

MakerStage reviews manufacturability for the supplied requirements
The OEM owns design intent and acceptance criteria
Reports and records must be requested in the quoted scope
System testing and certification require separate specifications

Technical references

These primary references provide system context. Project requirements still belong in the customer-controlled drawing and specification.

Common Questions

Frequently Asked Questions

Is a 3D model enough for an RFQ?

Usually no. Add a controlled drawing for material, tolerances, finish, critical characteristics, notes, revision, and acceptance requirements that are not safely inferred from geometry.

Which quality records can I request?

You can request dimensional inspection reports, CMM reports, and material test reports when applicable. State the characteristics, sample expectation, traceability need, and required format in the RFQ.

Does MakerStage provide DFM feedback?

Yes. A free DFM review is included with each RFQ, focused on the supplied design and quoted manufacturing scope.