Skip to main content
Okinos, PCI-E 4.0 Riser Cable, Compatible with RTX4090, RTX4080, RX7900XTX, PCIe 4.0 x16 High Speed Flexible Extender Card Extension Port 90 Degree Adapter, 150mm Black
Okinos

Okinos, PCI-E 4.0 Riser Cable, Compatible with RTX4090, RTX4080, RX7900XTX, PCIe 4.0 x16 High Speed Flexible Extender Card Extension Port 90 Degree Adapter, 150mm Black

Bottom line: The Okinos, PCI-E 4.0 Riser Cable, Compatible with RTX4090, RTX4080,: 16 GT/s PCIe 4.0 speed keeps RTX 4090/4080 at full x16 bandwidth; main trade-off: short 150mm length may not reach some full-tower vertical mounts.

Live pricing on eBay

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

🛒 See live eBay price Also on Amazon — Check price → Compare to similar expansion cards

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 16 GT/s PCIe 4.0 speed keeps RTX 4090/4080 at full x16 bandwidth
  • ✓ Gold-plated pins rated 400g retention force per contact pair
  • ✓ Ultra-flexible flat 150mm cable folds for clean vertical-mount routing
  • ✓ 90-degree angle connector eases seating in tight cases
  • ✓ 15mm slotted screw holes fit mainstream vertical GPU brackets

Cons

  • ✗ Short 150mm length may not reach some full-tower vertical mounts
  • ✗ Verified for RTX 40-series and RX 7900 only; no PCIe 5.0 GPU rating
  • ✗ Must power off the system before install to avoid GPU damage
  • ✗ Fixed 90-degree angle limits routing in unconventional layouts

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored Okinos, PCI-E 4.0 Riser Cable, Compatible with RTX4090, RTX4080… using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. Okinos's expansion cards 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 expansion cards 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

  • 【16 GT/s raw transfer rate】Compatible with the RTX4090, RTX4080, RTX4070 Super & RX7900XTX, RX7900 XT, RX7900 GRE
  • 【Easy Cable Management】Advanced ultra-flexible cable technology with 150mm, flat and foldable design can combine elegance and function to achieve better cable management.
  • 【15mm Screw Fixing Holes】By employing an elliptical slotted design for the screw holes which enlarged the fixing area (15mm), enhancing the compatibility with mainstream GPU vertical brackets.
  • 【High Speed with 16x slot】Install into a 16x slot on the MOBO to ensure maximum transmission speed. Also, ensure the computer power is turned off when disassembling to avoid damage to the GPU.
  • 【Gold-Plated Pins】Enhance cable durability with gold-plated PCI pins while ensuring a retention force of 400g per contact pair. The inclusion of a 90-degree angle connector ensures stable transmission and convenient installation.

Full Specifications

BrandOkinos
ColorBlack
ModelOKINOS_PCIE4_RISER
Weight400g
Frequency16 GHz
Cable TypePCI-E
Part NumberOKIGPUA-RC40-B1590
Connector TypePcie
Number of Pins16
Number of Items1
Special FeatureData Transfer, High Speed
Connector GenderMale-to-Female
Specification MetRoHS
Compatible DevicesRTX4070 Super, RTX4080, RTX4090, RX7900 GRE, RX7900 XT, RX7900XTX
Data Transfer Rate16 Gigabits Per Second
Indoor Outdoor UsageIndoor
Warranty Description2 year manufacturer
Recommended Uses For ProductConnecting high-performance GPUs to the motherboard
Other Special Features of the ProductData Transfer, High Speed

Ready to buy?

Okinos, PCI-E 4.0 Riser Cable, Compatible with RTX4090, RTX4080, RX7900XTX, PCIe 4.0 x16 High Speed Flexible Extender Card Extension Port 90 Degree Adapter, 150mm Black is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings → Check Amazon listing →

Related Expansion Cards

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
Okinos, PCI-E 4.0 Riser Cable, Compatible with RTX4090, RTX4080, RX7900XTX, PCIe 4.0 x16 High Speed Flexible Extender Card Extension Port 90 Degree Adapter, 150mm Black
View on eBay →