StarTech.com
StarTech PCI Express X1 to X16 Low Profile Extension Adapter (PEX1TO162) | PCIe x1 to x16 Adapter, Slot
Bottom line: The StarTech PCI Express X1 to X16 Low Profile Extension Adapter ($24.53 on Amazon as of 2026-10-06): Full pass-through x16 slot wired to x1 lane, no signal conversion.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Full pass-through x16 slot wired to x1 lane, no signal conversion
- ✓ Mounts low-profile x2, x4, x8, x12 or x16 cards in a spare x1 slot
- ✓ Avoids replacing the motherboard just to gain a longer PCIe slot
- ✓ Supports current PCI Express speeds per StarTech spec sheet
Cons
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
This PCIe x1 to PCIe x16 Slot Extension adapter provides enhanced compatibility between motherboards and a variety of PCI Express expansion cards, allowing you to install a PCIe card (x1 - x16) in an x1 slot. The PCI Express x1 to x16 adapter accommodates low profile x2, x4, x8, x12 or x16 PCI Express cards, eliminating the cost and hassle of upgrading a PCIe card or replacing the motherboard for the sake of compatibility.
SpecPicks Verdict
SpecPicks scored StarTech PCI Express X1 to X16 Low Profile Extension Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the retro graphics & video category. StarTech.com's retro graphics & video lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for retro graphics & video of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- x16 lane PCIe slot connector to x1 lane
- Designed to properly mount a low profile card into a full profile slot
- Complete pass-through designs supports the latest PCI Express speeds
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Red |
| Model Number | PEX1TO162 |
| Connector Type | PCIe slot connector |
| Item Dimensions | 8.62 x 1.81 x 6.22 inches |
| Mfr Part Number | PEX1TO162 |
| Number of Items | 1 |
| Number of Ports | 2 |
| Power Plug Type | No Plug |
| Compatible Devices | Personal Computer, Server |
| Warranty Description | Lifetime |
| Smart Home Compatibility | Not Smart Home Compatible |
| Item dimensions L x W x H | 8.62 x 1.81 x 6.22 inches |
| Specific Uses For Product | personal |
| External Testing Certification | CE, FCC |
Ready to buy?
StarTech PCI Express X1 to X16 Low Profile Extension Adapter (PEX1TO162) | PCIe x1 to x16 Adapter, Slot is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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