Manufacturing context
This capability sheet belongs to Suntak Technology. The conditions below apply to the named product or process; other product families require a separate review.
Official company source reviewed- Manufacturing focus
- High-layer server boards · HDI · Industrial control
- Published footprint
- Zhuhai · Jiangmen · Dalian · Shenzhen · Suzhou
- Listing and account
- Independently researched · factory account not claimed
26-layer AI server UBB motherboard
Manufacturer reportedPublished product example, not a continuous layer range. The source labels the aperture as minimum PTH size. No impedance tolerance is stated.
- Layer count
- 26 layers
- Line / space
- 0.089 / 0.089 mm
- Finished hole
- 0.125 mm
- Impedance
- Not disclosed for this profile
| Published construction | 26 layers |
|---|---|
| Laminate designation | EM-890K |
| Board thickness | 3.7 ±0.37 mm |
| Finish | ENIG |
| Dimensions | 107.86 × 213.67 mm |
| Technical source | suntakpcb.com · Manufacturer specification |
These are separate published limits, not a promise that every combination is manufacturable. Unknown values are excluded from numerical filtering.
Know what has been checked.
The website review establishes the source of a statement. Independent UL ownership, equipment and material checks are tracked separately.
UL ownership
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Legal holder, manufacturing address and current UL recognition.
Equipment & in-house processing
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Machine inventory, location and evidence that the relevant process runs at the quoted site.
Material traceability
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Laminate grade, supplier documentation and traceable production-batch records.
Sources & review record.
Reviewed 2026-09-20. Manufacturer pages can change; confirm the current revision when requesting a quotation.
- Suntak-Suntak Technology Co., Ltd.suntakpcb.comOfficial website
- High-Layer Board-Suntak Technology Co., Ltd.suntakpcb.comOfficial website
- Contact Us-Suntak Technology Co., Ltd.suntakpcb.comOfficial website
Company names and images identify the source manufacturer. Listing does not imply endorsement, partnership, account participation or completion of a factory audit.
Make the first technical conversation useful.
Can the proposed site reproduce the required stack-up and provide the loss budget and impedance coupon results for this design?
Attach the manufacturing brief
Layer stack-up, finished dimensions, copper weights, laminate grade, quantity and delivery destination.
Define acceptance
Finished-hole tolerance, impedance targets, coupon requirements, surface finish and permitted process substitutions.
Confirm the recipient
Agree the manufacturing legal entity, confidentiality terms and approved site before sharing production files.