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The SIRLYR PSU Cable Extension Kit provides a sleek, high-performance solution for custom PC builds. The bright white nylon-braided cables enhance aesthetics while maintaining durability.
This kit includes:
1x 24Pin ATX
2x 8Pin EPS
1x 90 Degree 12VHPWR (12V-2×6 PCIE 5.1)
Designed for modern GPUs, the 90-degree 12VHPWR connector follows the updated PCIE 5.1 standard, improving safety and fitment over older designs. The 16AWG tinned copper wiring ensures minimal power loss, supporting up to 600W for high-end graphics cards like the RTX 5090.
With flexible, finely stranded cables and included combs, managing wires in compact cases is simplified. *Note: Verify that the GPU has an embedded 12VHPWR interface (e.g. some RTX 50 series models)*
Package Dimensions : 37.11 x 9.5 x 4.8 cm; 431 g
Date First Available : 1 Jun. 2025
Manufacturer : Sirlyr
ASIN : B0DK5C68T7
Item model number : Sirlyr-PSU12VHPWR-EXT
Guaranteed software updates until : unknown
Best Sellers Rank: 76,838 in Musical Instruments & DJ (See Top 100 in Musical Instruments & DJ) 2,714 in Power Cables
Customer reviews: 5.0 5.0 out of 5 stars 6 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
【Elegant White Design】 Features bright white nylon-braided sleeves with a subtle reflective finish, offering a clean and sleek look for custom white PC builds
【Broad GPU Compatibility】Includes a 24Pin ATX, 2x 8Pin EPS, and 90 degree 12VHPWR extension, designed for GPUs with 12VHPWR connectors such as the RTX 3090Ti, 4070Ti, 4080, 4090, and the latest RTX 50-series (5070/5080/5090). *Note: Some RTX 50-series GPUs feature recessed 12VHPWR ports—measure clearance to ensure the 90-degree adapter fits
【Improved 90 Degree 12VHPWR Connector】Adopts the updated PCIE 5.1 standard (12V-2×6) for secure connections, reducing short-circuit risks while saving space for better cable management
【16AWG High Current Wires】Constructed with 16AWG tinned copper cores to minimize voltage drop, ensuring stable 600W power delivery for high-end GPUs, including overclocking scenarios
【Flexible & Organized Wiring】Uses 262-strand tinned copper wires for flexibility in tight cases, with 4 included cable combs per wire for a clean, professional setup
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I can’t give an opinion because I returned it, I didn’t get to use it, but it seems very good to me.
Cleans up the look and works very well.
I recently upgraded my setup with the Sirlyr 12VHPWR PSU Extension Cable Kit (includes the 90-degree connector) and I’m thoroughly impressed.What stands outPremium braided finish — The white nylon sleeving is noticeably bright and glossy, offering a clean, modern look that elevates the interior of the build.Savvy right-angle design — The 90-degree connector is a smart addition for tight layouts, making cable routing easier and neater inside compact builds.Solid specs and safety — It’s UL certified, rated for 600 V and 5 A, and includes a 1-year warranty—peace of mind for both performance and durability.In summaryThis extension cable strikes a perfect balance between form and function. The sleek white braid makes it a standout visually, and the practical 90° connector ensures tidy cable management. If you’re building a high-end PC and want clean aesthetics plus reliable performance, this is a top-tier pick.
Unfortunately I put the cable combs on backwards thinking that the connectors were in the opposite direction, but by the time I struggled to fit these into my cramped case it was too late. Not worth pulling it all apart again and it looks more than good enough for me. The quality of these cables is fantastic and I’ve had zero issues. Even under full load the cables are still at room temp so I’m more than pleased with these.