Design
Product colour	Red
Certification	CE, REACH, TAA
Internal
Features
Data transfer rate (max)	2.5 Gbit/s
Logistics data
Harmonized System (HS) code	84733020
Products per master (outer) case	40 pc(s)
Master (outer) case width	360 mm
Master (outer) case length	370 mm
Master (outer) case height	322 mm
Packaging data
Package width	143 mm
Package depth	175 mm
Package height	33 mm
Package weight	80 g
Manual
Ports & interfaces
Host interface	PCIe
Output interface	PCIe
Weight & dimensions
Width	44.3 mm
Depth	127 mm
Height	8 mm
Weight	12 g

The StarTech.com PCIe x1 to x16 Extender Adapter (type PEX1TO162) is a PCI Express slot extension module that enables the installation of Low Profile expansion cards in systems that only have a x1-PCIe slot. The device functions as a riser adapter, connecting a x16 slot to a x1 host connection, thereby allowing the use of PCIe cards with higher bandwidth (x2, x4, x8, x12, x16) in a x1 slot. The card is finished in red and made of steel, ensuring robust mechanical stability. The maximum data transfer rate is 2.5 Gbit/s, equivalent to the speed of a single PCIe lane, sufficient for applications that do not require maximum bandwidth.

Applications
This adapter is particularly suitable for systems where the motherboard only provides a x1-PCIe slot, but a larger expansion card — for example, a Low Profile graphics card or a x4 network card — needs to be installed. It also allows placing cards that do not require full bandwidth into x1 slots, freeing up x16 slots for performance-intensive components. Additionally, it can be used to install a Low Profile PCIe card into a standard system case originally designed for full slot height.

Features and Equipment in Detail
The adapter features a x16-PCIe slot on the front and a x1-PCIe host connection on the rear, functioning as a complete pass-through adapter. This means signals are directly passed through without additional processing or signal distortion. The construction is specifically designed for the correct installation of a Low Profile card in a standard slot, ensuring secure mechanical anchoring and stable electrical contact. The maximum data transfer rate of 2.5 Gbit/s corresponds to the specification of a single PCIe lane and is therefore sufficient for most standard applications.

Technology Explained Simply
The adapter operates as a riser extension, establishing the physical and electrical connection between a x1 slot and a x16 card. Since it does not contain its own signal processing module but merely passes signals through, the performance of the connected card remains unchanged. Power supply is provided by the system, with the adapter supporting 12V DC input and output voltage. The use of PCI Express technology ensures compatibility with modern systems that support PCIe slots. The maximum bandwidth of 2.5 Gbit/s is sufficient for many expansion cards such as network cards, sound cards, or small storage controllers.

Compatibility and Accessories
The adapter is compatible with Low Profile PCIe cards of widths x2, x4, x8, x12, and x16. It can be used in systems equipped with a x1-PCIe slot, regardless of the exact PCIe generation, as long as the physical slot form and power supply are compatible. The card is designed for use in standard PC cases, with Low Profile form factor compatibility enabling installation in more compact systems. The certifications CE, REACH, and TAA confirm compliance with relevant safety and environmental standards.

Installation and Mounting
Installation is done by simply inserting the adapter into the x1 slot on the motherboard. Then, the desired Low Profile PCIe card is inserted into the x16 slot on the adapter. Mechanical fastening is achieved using the standard screw holes of the case, securing the card firmly in the slot. The card is designed for use in standard PC systems, with dimensions (width 44.3 mm, depth 127 mm, height 8 mm) enabling compact mounting. The delivery includes the adapter and an operating manual.

Advantages in Operation
Using this adapter reduces the need to replace a motherboard or expansion card to achieve compatibility, lowering costs and avoiding the need for a complete system overhaul. The simple installation and direct pass-through function ensure reliable and maintenance-free operation. The manufacturer offers a lifetime warranty, indicating the product’s quality and durability. Thus, the card is a cost-effective solution for expanding hardware compatibility in existing systems.