Sirlyr PC Power Supplies: 5 Picks Ranked by Specs

Quick picks

Our 5 picks

1 Best overall

Sirlyr White 24-Pin RGB PSU Extension Cable

Best for: Mid-tower builds with 360-degree RGB lighting needs

View on Amazon: Sirlyr White 24-Pin RGB PSU Extension Cable Affiliate link

This Sirlyr extension cable connects your power supply to the motherboard with a 24-pin interface. It features 120 RGB beads that light up on four sides for a 360-degree effect. The silver-plated wire core helps maintain stable current transfer. The kit includes a mini controller for sync with major motherboard RGB systems or manual control. It is designed for easier routing in mid-tower or full-tower cases.

Pros

• 120 RGB beads provide 360-degree lighting with no dark spots
• Silver-plated wire core for stable current transfer
• Includes mini controller for RGB sync or manual control
• TPE/silicone material allows easy bending and routing

Cons

• Connector size is larger than normal PSU extension cables
• Recommended only for mid-tower or full-tower chassis
• Mini controller may have limited bead support capacity

Good fit if

• You want 360-degree RGB lighting on your power cables
• You need a 24-pin extension for a mid-tower or full-tower case
• You want to sync cable lighting with motherboard RGB software

Skip if

• You have a small form-factor case with limited space
• You prefer a non-illuminated cable design
• You need a 8-pin GPU extension instead of 24-pin

Verdict: Sirlyr White RGB 24Pin PSU Extension offers full-surface lighting and a dedicated controller for users building in mid-tower or full-tower chassis who prioritize visible cable management.

2 Best budget

Sirlyr White 16AWG PSU Cable Extension Kit

Best for: single-CPU high-power builds with white themes

PCIe Connector Type

6+2 pin PCI-E

Form Factor

ATX

View on Amazon: Sirlyr White 16AWG PSU Cable Extension Kit Affiliate link

This Sirlyr extension kit offers four all-white cables for clean builds. It uses 16 AWG alloy copper cores for stable power delivery in systems from 800W to 1600W. Gold-plated terminals reduce resistance and heat. The kit includes pre-installed combs and an extra set for customization. It extends standard cables by 30 cm, helping you manage connections for high-end GPUs and motherboards.

Pros

• 16 AWG thickened alloy copper core for high current stability
• Gold-plated terminals to minimize power loss and heating
• Pre-installed transparent combs with an extra set of white combs included
• All-white glossy nylon braided design for clean aesthetics
• Extends cables by 30 cm (11.8 inches)

Cons

• Only includes one 4+4 pin EPS cable, which may limit dual-CPU setups
• No app or smart control features for cable management
• Plastic combs may not match premium metal aesthetics

Good fit if

• You want a clean all-white look for your PC build
• You need to extend PSU cables by 30 cm for better airflow
• You prefer pre-installed combs for easier cable management

Skip if

• You require a 5-piece kit with additional PCIe cables
• You need gold or black color options instead of white
• You are building a dual-socket motherboard system

Verdict: Sirlyr White 16AWG PSU Cable Extension Kit is a solid choice for builders prioritizing cable management and aesthetics in single-CPU high-power systems.

3 Also great

Sirlyr Pre-Bent 16AWG PSU Extension Kit

Best for: compact white builds with 8-pin GPUs

PCIe Connector Type

8 (6+2) Pin

Form Factor

ATX

View on Amazon: Sirlyr Pre-Bent 16AWG PSU Extension Kit Affiliate link

This Sirlyr extension kit features a one-way bend design with longer top wires and shorter bottom ones for cleaner routing. The cables use 16AWG thickened alloy copper cores and gold-plated 8-pin PCIe terminals to reduce power loss. It includes a 24-pin ATX cable, two 8-pin CPU cables, and two 8-pin GPU cables, each 30cm long. Pre-installed transparent combs help organize the bright white nylon weave for all-white builds.

Pros

• One-way bend design simplifies cable management
• 16AWG thickened alloy copper cores
• Gold-plated terminals on 8-pin PCIe cables
• Pre-installed transparent cable combs included

Cons

• Only 30cm cable length limits flexibility
• No 12VHPWR connector included
• Limited to 8-pin PCIe connections

Good fit if

• You need a clean white aesthetic
• You want pre-bent cables for easier routing
• You have a compact case with limited space

Skip if

• You require 12VHPWR GPU connections
• You need cables longer than 30cm
• You prefer black or dark colored cables

Verdict: Sirlyr White Pre-Bend 16AWG PSU Cables offers a practical solution for builders seeking organized, white-themed cable management with gold-plated terminals. It fits users who prioritize neat routing in compact cases but lacks the length or connector types for high-end GPU setups.

4 Best premium

Sirlyr 24-Pin and 12VHPWR RGB Extension Cable Kit

Best for: Extending 24-pin and 12VHPWR cables with RGB lighting

PCIe Connector Type

12VHPWR

Form Factor

ATX

Dimensions

11 × 2 × 0.7 inches

Weight

15.8 ounces

View on Amazon: Sirlyr 24-Pin and 12VHPWR RGB Extension Cable Kit Affiliate link

This Sirlyr kit extends your 24-pin ATX and 12VHPWR GPU power cables with vibrant RGB lighting. It features 80 LEDs on the 24-pin cable and 81 on the 12VHPWR segment. The design includes a 16-pin male to three 8-pin female configuration for direct connection to PCIe 5.0 power supplies. The cables use soft PVC and silicone tubes for flexibility. It includes a SATA-powered RGB controller for cases with limited motherboard headers.

Pros

• Includes 80 LEDs on the 24-pin cable and 81 on the 12VHPWR segment
• 16-pin male to three 8-pin female design for direct PCIe 5.0 connection
• Soft PVC and silicone tube construction for easier routing
• Comes with a SATA-powered RGB controller for additional lighting control

Cons

• Requires a SATA power connection for the RGB controller
• Limited to 5V ARGB header daisy-chaining or motherboard 3-pin ports
• Heavier build at 15.8 ounces due to LED strips and silicone

Good fit if

• You need to extend the length of your 24-pin or 12VHPWR cables
• You want to customize RGB lighting for your 24-pin and GPU power lines
• You have a power supply without a native 12VHPWR connector

Skip if

• You prefer non-illuminated or stealth-style cable management
• Your motherboard lacks 5V ARGB headers or 3-pin LED ports
• You are building with an RTX 30-series card that uses 8-pin connectors

Verdict: Sirlyr 12VHPWR to 3x8 Pin RGB PSU Extension Kit offers a flexible, illuminated solution for extending power cables on PCIe 5.0 systems. It suits builders who need extra cable length and want to showcase RGB lighting without relying on motherboard headers for power.

5 Also great

Sirlyr 34cm Pre-Bent PSU Extension Cable Kit

Best for: full-tower white themed builds

Form Factor

ATX

Weight

1 pounds

View on Amazon: Sirlyr 34cm Pre-Bent PSU Extension Cable Kit Affiliate link

This Sirlyr kit provides 34cm extension cables for ATX, CPU, and GPU connections. It features pre-bent 8-pin PCIe cables to simplify routing in full-tower cases. The design includes gold-plated terminals and braided sleeves for durability. You get two sets of cable combs for management. It suits builders who want a clean white and gold aesthetic with reliable power delivery for high-wattage GPUs.

Pros

• 34cm length accommodates full-tower cases
• Pre-bent 8-pin PCIe cables ease routing
• Gold-plated connectors ensure stable power delivery
• Includes two sets of cable combs

Cons

• Requires connection to existing PSU cables
• Heavier at 1 pound compared to basic kits
• Limited to white and gold color scheme

Good fit if

• You are building a white-themed PC
• You need longer cables for a full-tower case
• You want pre-bent cables for easier installation

Skip if

• You prefer black or standard colored cables
• You need a complete PSU replacement kit
• You want a lighter, less bulky cable set

Verdict: Sirlyr Pre-Bend Golden White Sleeved PSU Extensions offers a premium look with practical pre-bent design. It is ideal for users building in full-tower cases who prioritize cable management and aesthetics.

Specifications side by side

Sirlyr PSU Cables: Quick Specs

Sirlyr offers four main cable categories. The White 24-Pin RGB Extension leads with full-surface lighting and a dedicated controller. This suits builders in mid-tower chassis who want visible cable management. The 16AWG Extension Kit provides a budget-friendly bright white option for single-CPU systems. It prioritizes aesthetics without complex features. For compact builds, the Pre-Bent 16AWG Kit features gold-plated terminals. It offers neat routing but lacks the length for high-end GPU setups. Shoppers needing PCIe 5.0 support should look at the 12VHPWR RGB Kit. It extends 24-pin and 12VHPWR connections with illumination. The 34cm Pre-Bent Golden White Sleeved Kit rounds out the list. It targets full-tower cases with a premium look. Each option serves a specific form factor and visual goal.

Who Sirlyr Cables Suit

Sirlyr targets builders who prioritize white aesthetics and cable management. The range spans from single 24-pin RGB extensions to full 5-piece 16AWG kits. You can choose between straight cables, pre-bent options for compact cases, and illuminated 12VHPWR extensions. The brand focuses on ATX form factors and white themes. However, the lineup lacks black or non-RGB variants. It also does not offer PCIe 5.0 native cables without RGB or non-standard connectors. This selection suits those who want visible, organized power delivery in white-themed builds.

How to choose the right Sirlyr cable

1. Match the connector type

   You must ensure the cable connector matches your power supply and motherboard. The Sirlyr White 24-Pin RGB Extension is designed specifically for the main 24-pin motherboard connection. It includes a dedicated controller for lighting control. If you need to power modern graphics cards, look for kits that include 12VHPWR or 12VHB connectors. These extensions allow you to extend the length of PCIe power cables. Always verify that the physical shape of the plug fits your specific components before purchasing.

2. Check the gauge thickness

   The wire gauge determines how much current the cable can safely carry. Higher power builds require thicker wires to prevent voltage drop and overheating. The Sirlyr White 16AWG PSU Cable Extension Kit uses 16 AWG wires. This thickness is suitable for single-CPU high-power systems. Thicker wires also tend to be stiffer, which can make routing inside tight cases more difficult. You should select a thicker gauge if your system draws significant power from the CPU or GPU rails.

3. Consider pre-bent designs

   Pre-bent cables are curved at the connector end to improve airflow and aesthetics. The Sirlyr Pre-Bent 16AWG PSU Extension Kit features this design. This shape helps you route cables more neatly in compact cases. It reduces the chance of the connector hitting the motherboard or other components. This option is ideal for users who prioritize a clean look in small form factor builds. However, these cables may lack the length needed for larger chassis or high-end GPU setups.

4. Evaluate RGB integration

   If you want visible lighting effects, check how the RGB is controlled. The top pick offers full-surface lighting with a dedicated controller. This allows you to manage colors without using motherboard headers. Some kits, like the 12VHPWR RGB Extension, provide illuminated power delivery for PCIe 5.0 systems. You can showcase lighting without relying on the motherboard. Ensure the controller fits your case and that the lighting matches your other components for a cohesive look.

5. Verify kit size and contents

   You need to know exactly what is included in the package. Kits vary from single cables to five-piece sets. The Sirlyr Pre-Bent kit includes five cables, covering various power connections. This is useful for building a complete white-themed system. Other options are single extensions for specific needs. Check the size description to understand the quantity. A larger kit offers more flexibility but costs more. Select a kit that covers all the power connectors your system requires.

Frequently asked questions

See also

• best PC power supplies under 50
• best PC power supplies under 100