PEX4SFF8639 - Expansion card StarTech.com - Free user manual and instructions
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| Product Type | Expansion Card (PCIe to U.2) |
| Model | PEX4SFF8639 |
| Brand | StarTech.com |
| Interface | PCI Express 3.0 x4 |
| Supported Drive Interface | U.2 (SFF-8639) |
| Number of Ports | 1 Internal U.2 Port |
| Form Factor | Low Profile PCIe Card (Full Height and Low Profile Brackets Included) |
| Dimensions (L x H x T) | 120 mm x 73 mm x 18 mm (4.7 in x 2.9 in x 0.7 in) |
| Weight | 45 g (1.6 oz) |
| Power Source | PCIe Slot Power |
| Maximum Bandwidth | 32 Gbps (PCIe 3.0 x4) |
| Supported Drives | U.2 NVMe SSDs (2.5 inch) |
| Operating System Support | Windows, Linux, and other major OS with NVMe support |
| Compliance | RoHS, REACH |
| Installation Requirements | Available PCIe x4 or higher slot; U.2 cable (if not integrated) |
| Maintenance | Keep connectors clean; avoid dust accumulation |
| Cleaning Instructions | Use compressed air to remove dust; do not use liquids |
| Safety Precautions | Use anti-static wrist strap when handling; power off system before installation |
| Repairability | No user-serviceable parts; contact StarTech.com support for warranty service |
| Warranty | 2 Years Limited Warranty |
| Package Contents | PCIe to U.2 Adapter Card, Low Profile Bracket, User Manual |
Frequently Asked Questions - PEX4SFF8639 StarTech.com
What is the StarTech.com PEX4SFF8639 expansion card used for?
The PEX4SFF8639 is a PCIe expansion card that allows you to add a U.2 (SFF-8639) NVMe SSD to your desktop computer via a PCIe x4 slot.
Is the PEX4SFF8639 compatible with my operating system?
Yes, it supports Windows, Linux, and other major operating systems that have native NVMe driver support.
Does this card require external power?
No, it is powered entirely through the PCIe slot and does not require additional power connectors.
What type of drives are supported?
It supports U.2 NVMe SSDs (2.5-inch form factor) with SFF-8639 interface.
Can I use this card in a full-height or low-profile case?
Yes, the card comes with both a full-height and low-profile bracket to fit different case sizes.
What is the maximum data transfer speed?
With PCIe 3.0 x4 interface, the card provides up to 32 Gbps bandwidth (approximately 3.5 GB/s).
How do I install the PEX4SFF8639?
Power off your PC, insert the card into an available PCIe x4 or larger slot, attach the U.2 drive using an appropriate cable (not included), and power on. Install any required drivers if not automatically detected.
Does this card support hot-swap?
Hot-swap capability depends on your system's support. The card itself does not provide hot-swap functionality; it is recommended to power off before connecting or disconnecting drives.
What should I do if my U.2 drive is not detected?
Ensure the card is properly seated in the PCIe slot and the drive is securely connected. Check if your motherboard BIOS/UEFI recognizes the card. Update to the latest NVMe drivers and verify the drive is functional.
Is there any maintenance required?
Regularly inspect and clean the card's connectors with compressed air to prevent dust buildup. Avoid touching the gold connectors. No other maintenance is needed.
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USER MANUAL PEX4SFF8639 StarTech.com
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Product information
Brand : StarTech.com
Model : PEX4SFF8639
Category : Expansion card