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Sirlyr RGB PC Cables,Strimmer 3 * 8 pin PSU Extension Cable,5V 3Pin Sync ARGB,for Graphic Card Power Supply,Computer Case Decoration Black Style
Sirlyr

Sirlyr RGB PC Cables,Strimmer 3 * 8 pin PSU Extension Cable,5V 3Pin Sync ARGB,for Graphic Card Power Supply,Computer Case Decoration Black Style

4.6(368 reviews, all variants)
budget$0-$49
#67 in Computer Power Supplies
connector
PCI Express
compatible
RTX 3080,RTX 3090,Radeon RX 6900

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AI Verdict

This is a 3x8 pin GPU extension cable with 162 ARGB LEDs and a mini controller, designed for mid-to-full tower cases to add lighting to your GPU power delivery.

Situational Fit

This 3x8 pin RGB GPU extension cable is a situational fit because its 162 ARGB LEDs and 5V 3Pin sync capabilities offer significant aesthetic upgrades for compatible systems. However, its larger size and reported discrepancies in LED count and wire gauge mean it's not a universal recommendation, especially for compact builds or those demanding strict adherence to specifications.

If you need guaranteed wire gauge for high-power GPUs or have a compact case, look for cables with explicitly stated 16 AWG or lower (thicker) wire and precise length measurements.

Regret Score™

Medium Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

30/100
vs. 1,285 Power & Cooling we've analyzedSafer than 36%
Hidden Defects
13/35

Issues discovered after purchase

Achilles' Heel
1/25

Critically weak dimension

Expectation Gap
7/20

Amazon rating vs actual quality

Fit Risk
9/20

Chance this product isn't for you

BuyChoice Score
3.4

Pros

  • Features 162 LED beads for 360-degree lighting effects, making your case brighter without dark spots.
  • Supports 5V 3Pin ARGB sync with major motherboard software like ASUS AURA, MSI Mystic Light, Gigabyte RGB Fusion 2.0, and ASRock RGB Sync.
  • Includes a mini controller for lighting effects even if your motherboard lacks ARGB headers.
  • Constructed from TPE/silicone material, allowing for easy bending and routing during installation.
  • The integrated design hides the extension cable, contributing to a cleaner and more organized PC build.

Cons

  • The actual number of LED beads might be lower than the advertised 162, with some users noting discrepancies in product documentation.
  • The cable's wire gauge is listed as 16 AWG on some sites but appears as 18 AWG on the cable itself, which is a downgrade from advertised specifications.
  • Its larger size compared to standard extension cables can make routing difficult in smaller or tightly packed cases, like a Tower 600 with a large CPU heatsink.
  • Some users have reported issues with individual LEDs not lighting up, potentially due to too many connected RGB devices or controller limitations.
  • The integrated design, while neat, means the individual light strips cannot be easily separated for alternative routing or customization.

Dimension Scores

Efficiency & Output5/10

The silver-plated wire core is stated to maintain stable current transfer, but a reported discrepancy between advertised 16 AWG and actual 18 AWG wire gauge introduces uncertainty regarding optimal efficiency for high-power GPUs.

Noise Level10/10

As a passive extension cable, this product does not contain any moving parts or electronics that generate noise.

Build Quality6/10

The TPE/silicone material is flexible and durable, and the integrated design is neat, but the reported discrepancy in LED count and wire gauge raises questions about consistent manufacturing standards.

Cable Management6/10

The flexible TPE/silicone material and integrated design help with a cleaner look, but the cables are larger than standard extensions, which can make routing challenging in tighter spaces.

Best For

  • PC builders with mid-tower or full-tower cases looking to add customizable ARGB lighting to their GPU power cables.
  • Users with motherboards supporting 5V 3Pin ARGB sync who want to match their GPU lighting with other components.
  • Gamers wanting to enhance their setup's aesthetics with rhythmic streamer lights synchronized with sound and game effects.
  • Those on a budget who want an RGB PSU cable extension kit that offers bright, even lighting.

Not Recommended For

  • Small form factor (SFF) PC builds or cases with limited clearance around the GPU power connectors.
  • Users prioritizing absolute power delivery efficiency over aesthetics, given the wire gauge discrepancy.
  • Anyone who needs to separate individual cable strands for extremely precise cable management.

Watch Out For

  • The product description claims 162 LED beads, but a YouTube review noted a 'huge discrepancy' with the actual LED count.
  • The wire gauge is advertised as 16 AWG on the website, but the cable itself may be 18 AWG, which is a thinner gauge.
  • The cables are larger than standard extensions, so if your graphics card is close to your case's glass side panel, you might struggle with clearance.
  • If you connect too many RGB devices or your controller has limited LED support, some LEDs on the cable might not light up.

Full Specifications

ASINB0CQXFB79R
BrandSirlyr
ColorBlack Style
ShapeRound
Cable TypeRGB
Unit Count1.0 Count
Item Weight11.3 ounces
ManufacturerSirlyr
Connector TypePCI Express
Number of Pins24
Outer MaterialTPE/Silicone
Number of Items1
Special FeatureARGB
Connector GenderMale-to-Female
Item model numberRGB-38p
Compatible DevicesRTX 3080,RTX 3090,Radeon RX 6900
Data Transfer Rate0.48 Gigabits Per Second
Package Dimensions15.16 x 3.82 x 1.69 inches
Indoor/Outdoor UsageIndoor, Outdoor
Compatible Phone ModelsNo Compatible Phone Models

What Buyers Say

The biggest head-scratcher with these Sirlyr RGB cables is the conflicting info about the LED count and wire gauge; one reviewer pointed out a 'huge discrepancy' between what's advertised and what's actually on the cable. Despite that, users generally agree the lighting effects themselves look really good, especially with the double-sided RGB and 360-degree light effect. The flexibility of the TPE/silicone material is a plus for routing, but you'll need a mid-to-full tower case because these are chunkier than your average extension cables. The included mini controller is a lifesaver if your motherboard doesn't have ARGB headers, letting you still get those customizable light shows.

“Man, these lights look sick in my build, but seriously, why say 162 LEDs if it's not? And the wire gauge thing is kinda sketch, but my 3080 hasn't blown up yet so whatever. Just make sure your case is huge.”

Common Praise

  • The 360-degree lighting effect with 162 LED beads looks really good and brightens up the case.
  • The TPE/silicone material makes the cables easy to bend and route for a clean setup.
  • Compatibility with major motherboard ARGB sync software like ASUS AURA and MSI Mystic Light is seamless.
  • The included mini controller is convenient for motherboards without 5V 3Pin ARGB headers.
  • The integrated design effectively hides the extension cable for a more streamlined look.

Common Complaints

  • There's a noticeable difference between the advertised LED count and the actual number of LEDs on the cable.
  • The wire gauge is sometimes listed as 16 AWG but appears as 18 AWG on the cable, which is a thinner gauge.
  • The cables are larger than typical extensions, making them a tight fit or difficult to route in smaller PC cases.
  • Some individual LEDs can fail to light up, especially if too many RGB devices are connected or the controller is overloaded.

Ownership Tips

  • The cables are thicker than expected, so plan your cable routing carefully, especially if you have a side panel window.
  • The mini controller is handy, but if you have motherboard sync, use that for more advanced effects.
  • The flexibility is real, you can definitely get some tight bends without feeling like you're going to break them.
  • The double-sided lighting is a game-changer if you have a case where both sides of the cable are visible.
  • Check your motherboard's ARGB header capacity; if you have a ton of RGB, you might hit a limit and some LEDs won't light up.

Frequently Asked Questions

Does this cable work with my RTX 40-series GPU?

The product specifications list compatibility with RTX 3080, RTX 3090, and Radeon RX 6900. While it's a 3x8 pin connector, which some RTX 40-series cards use with adapters, it's not explicitly listed as compatible with the newer 12VHPWR standard.

Can I control the RGB lighting if my motherboard doesn't have a 5V 3Pin ARGB header?

Yes, the package includes a mini controller that allows you to control the lighting effects even without motherboard ARGB support.

Is this a direct power supply cable or an extension?

This is an extension cable, meaning it connects to your existing PSU cables and then to your GPU. It's not a replacement for your PSU's native cables.

Will these cables fit in a small PC case?

The manufacturer recommends these cables for mid-tower or full-tower chassis because they are larger than normal extension cables. They might be difficult to route in smaller cases with limited clearance.

What material are the cables made from?

The cables are made from TPE/silicone material, which makes them flexible and easy to bend for routing.

Buying Guide

When you're looking at RGB PSU extension cables like these, you're mostly buying for looks. These aren't replacing your main power supply cables, they're just extending them and adding lights. You need to think about how much space you have in your case, especially between your GPU and the side panel, because these can be thicker than regular cables. Also, consider if you want to control the lights through your motherboard's software or if the included mini controller is enough for you.

3*8 pin GPU cable connector

This tells you how many 8-pin PCIe power connectors your graphics card needs. If your GPU requires a 12VHPWR connector (common on newer high-end cards), this 3x8 pin extension won't be a direct fit without an adapter, which adds more bulk.

5V 3Pin Sync ARGB

This is the type of RGB lighting. 'ARGB' means Addressable RGB, so each LED can be controlled individually for complex effects. '5V 3Pin' is the standard connector for this, and it's important for syncing with your motherboard's software. Make sure your motherboard has a compatible 5V 3Pin header, not a 12V 4Pin RGB header (which is different).

TPE/silicone material

This describes the outer jacket of the cable. TPE/silicone is flexible, which is crucial for bending and routing the cables neatly inside your case without them kinking or looking messy. It also contributes to the cable's durability.

Recommended for mid-tower or full-tower chassis

This is a big one for fitment. These RGB extension cables are often thicker and less flexible than standard cables due to the integrated LED strips. If you have a compact case, you might struggle to close your side panel or route them cleanly without obstructing airflow.

Alternatives

If this cable doesn't fit your needs, look for thinner RGB extension cables or those with a modular design if you have a small case. For guaranteed power delivery and less clutter, consider a power supply with native RGB cables or a custom cable set from a reputable brand that explicitly states 16 AWG or lower wire gauge.

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