StarTech.com PEX4SFF8639 PCI Express 4.0 to U.2 Adapter for 2.5" U.2 NVMe SSD - PCI Express x4 - Red
Manufacturer: STARTECH
ID: PEX4SFF8639
4490€
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| Technical details | |
| Warranty period | 2 year(s) |
| Compliance certificates | RoHS |
| Ports & interfaces | |
| Host interface | PCIe |
| Output interface | U.2 |
| Expansion card standard | PCIe 4.0 |
| Weight & dimensions | |
| Weight | 65 g |
| Height | 22 mm |
| Width | 122 mm |
| Depth | 165 mm |
| Operational conditions | |
| Operating relative humidity (H-H) | 15 - 90% |
| Storage temperature (T-T) | -25 - 70 °C |
| Operating temperature (T-T) | 5 - 50 °C |
| Packaging data | |
| Package weight | 161 g |
| Package depth | 220 mm |
| Package height | 45 mm |
| Package width | 160 mm |
| Quick installation guide | ![]() |
| Drivers included | ![]() |
| Screws included | ![]() |
| Other features | |
| Connectivity technology | Wired |
| Design | |
| Internal | ![]() |
| Certification | CE, FCC |
| LED indicators | Activity |
| Product colour | Red |
| Hot-swap | ![]() |
| Performance | |
| Housing material | Steel |
| SSD support | ![]() |
| Features | |
| Plug and Play | ![]() |
| Product type | M.2 expansion card |
| Logistics data | |
| Master (outer) case height | 490 mm |
| Master (outer) case width | 340 mm |
| Master (outer) case length | 450 mm |
| Products per master (outer) case | 40 pc(s) |
| Harmonized System (HS) code | 84733020 |
| EAN | 0065030872591 |
| Warranty | 2 years |
The StarTech.com PEX4SFF8639 PCIe 4.0 to U.2 adapter for 2.5" U.2 NVMe SSDs (SFF-8639) is an expansion card designed to integrate enterprise storage into desktop or server systems. This adapter connects a 2.5-inch U.2 NVMe SSD to a motherboard via a standard PCIe x4 slot. It uses the PCIe 4.0 standard to support the throughput required by modern NVMe drives and remains backwards-compatible with previous PCIe generations. The card enables the use of U.2 drives on systems that lack a native SFF-8639 port. Because it uses a direct hardware interface, storage performance matches the drive's original specifications.
The adapter comes with a pre-installed full-profile bracket for installation in standard computer cases. An integrated LED indicator displays drive activity during data transfers. It is compatible with Windows, Windows Server, and Linux. The card is plug-and-play, meaning no proprietary drivers are required. Measuring 122 x 165 x 22 mm, the unit fits into standard expansion bays without obstructing adjacent components. Weighing 65 grams, it places minimal mechanical load on the PCIe slot.
Key Features:
- U.2 (SFF-8639) interface – connects standard 2.5-inch NVMe SSDs directly to the PCB without cables.
- Steel housing – provides structural rigidity and protects the mounted drive.
- Four M3 mounting screws – included for immediate drive installation.
- PCIe x4 host connection – ensures a direct link between the storage drive and the motherboard.
- Red PCB – allows for quick visual identification within a dense system build.
- Plug-and-play operation – the drive is recognised by the host operating system immediately after installation.
Multitronic Vaasa: 0 pcs
Estimated delivery: 15.06 - 17.06
Estimated delivery: 15.06 - 17.06
Today: 10:00 - 18:00
Multitronic Pietarsaari: 0 pcs
Estimated delivery: 15.06 - 17.06
Estimated delivery: 15.06 - 17.06
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Multitronic Jyväskylä: 0 pcs
Estimated delivery: 15.06 - 17.06
Estimated delivery: 15.06 - 17.06
Today: 10:00 - 17:00
Multitronic Lappeenranta: 0 pcs
Estimated delivery: 15.06 - 17.06
Estimated delivery: 15.06 - 17.06
Today: 10:00 - 18:00
Multitronic Mariehamn: 0 pcs
Estimated delivery: 15.06 - 17.06
Estimated delivery: 15.06 - 17.06
Today: 10:00 - 18:00
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Matkahuolto: Business Parcel
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Posti: Home delivery
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- leaflet (English)
- manual pdf (English)
The above technical details are for reference only and may change without notice. We reserve the right to correct printing errors and use illustrations for guidance. Some text may be auto-generated or machine-translated, which could lead to inaccuracies.


