PEX4SFF8643 Specifications
StarTech.com x4 PCI Express to SFF‑8643 Adapter for PCIe NVMe U.2 SSD
Manufacturer: StarTech.com
Manufacturer Model: PEX4SFF8643
Product Line: StarTech PCIe SSD Adapter
Product Series: x4 PCIe to U.2 Adapter
Product Type: Internal PCIe NVMe SSD Adapter
Product Name: StarTech.com PEX4SFF8643 PCIe to SFF‑8643 U.2 SSD Adapter
KEY FEATURES:
Host Interface: PCI Express x4
Output Interface: SFF‑8643 (for U.2 NVMe SSD connection)
PCIe Version: PCIe 3.0 compatible (also works in PCIe 2.0 slots)
Form Factor: Internal expansion card with full‑height and low‑profile brackets included
Product Color: Red
LED Indicators: Yes (activity)
PERFORMANCE:
Compatible Drive Types: 2.5″ U.2 NVMe PCIe SSDs
Data Transfer: PCIe x4 lanes, NVMe performance class
Backward Compatible: Works in PCIe x8/x16 slots at x4 link speeds
ENVIRONMENTAL & RELIABILITY:
Designed for use with NVMe U.2 storage in desktops, workstations & servers
Operating Temperature: 5 °C – 50 °C
Storage Temperature: –25 °C – 70 °C
Relative Humidity: 15 % – 90 %
Certifications: CE, RoHS compliant
Warranty: 2‑year manufacturer warranty & lifetime technical support
PHYSICAL:
Form Factor: Internal PCIe expansion card (full and low‑profile)
Dimensions (approx): Width 18 mm × Depth 81 mm × Height 44 mm
Weight: ~38 g

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