3 Pack 4 Pin Molex to Dual SATA Power Y-Cable Adapter
4.3Editor score
Affordable three pack option
Secure latching interfaces included
Compatible with most SATA devices
In this guide
Finding the right LP4 Molex SATA power adapter is crucial for upgrading older systems. These adapters bridge the gap between legacy power supplies and modern storage drives ensuring safe and stable power delivery for your hardware needs.
We compared ten top-rated adapters based on build quality length and connector design. Our analysis covers features like copper conductors cable length and locking mechanisms to help you find the most reliable solution for your specific setup.
Each pick highlights key strengths and potential trade-offs for different users. Prices and availability may change so check current listings before purchasing. These adapters offer a cost-effective way to extend the life of your existing power supply.
Top 3 Picks for Best LP4 Molex SATA Power Adapter
Cable Matters 3-Pack Molex to Dual SATA Power Y-Cable
4.6Editor score
Converts one Molex to two SATA
Compact six inch design for routing
Supports HDD SSD and optical drives
StarTech 12in SATA to LP4 Power Adapter Cable
4.6Editor score
Premium brand reliability
Twelve inch cable length
Durable construction for long use
Top 10 Best LP4 Molex SATA Power Adapter in 2026 Compared
This side-by-side comparison highlights key specifications for all ten selected adapters. Use this table to quickly compare connector types cable lengths and build materials before making your final decision.
ProductsSpecificationsEditor scorePrice
Best Budget
SATA to 4 Pin Power Cable Adapter 3 Pack
Connector SATA 15pin Male
Connector Molex LP4 Female
Cable Length Seven Inches
Pack Size Three Pack
4.7Editor score
Editor's Choice
Cable Matters 3-Pack 4-Pin Molex to SATA Power Cable
Connector Molex LP4 Male
Connector SATA 15pin Female
Cable Length Six Inches
Pack Size Three Pack
4.7Editor score
Editor's Choice
Cable Matters 3-Pack Molex to Dual SATA Power Y-Cable
Connector Molex LP4 Male
Output Dual SATA 15pin
Cable Length Six Inches
Pack Size Three Pack
4.6Editor score
StarTech 12in SATA to LP4 Power Adapter Cable
Connector SATA 15pin Male
Connector Molex LP4 Female
Cable Length Twelve Inches
Brand StarTech
4.6Editor score
3 Pack 4 Pin Molex to Dual SATA Power Y-Cable Adapter
Connector Molex LP4 Male
Output Dual SATA 15pin
Cable Length Seven Inches
Pack Size Three Pack
4.3Editor score
3-Pack 7.8 Inch 4 Pin Molex to SATA Power Cable
Connector Molex LP4 Male
Connector SATA 15pin Female
Cable Length Seven Point Eight Inches
Conductor 22 AWG Copper
4.4Editor score
4 Pin Molex to SATA Power Cable
Connector Molex LP4 Male
Connector SATA 15pin Female
Cable Length Seven Inches
Pack Size Three Pack
4.8Editor score
SATA Power Cable Adapter 3PCS 8Inch SATA 15 Pin Male
Connector SATA 15pin Male
Connector Molex LP4 Female
Cable Length Eight Inches
Conductor 18 AWG Copper
4.7Editor score
Duttek SATA to Molex Adapter
Connector Molex LP4 Male
Connector SATA 15pin Female
Pack Size Two Packs
Material PVC and Metal
4.4Editor score
CRJ 15-Pin SATA to 4-Pin Molex Power Adapter Cable
Connector SATA 15pin Male
Connector Molex LP4 Female
Cable Length Twelve Inches
Color Black Sleeved
4.7Editor score
1. Cable Matters 3-Pack Molex to Dual SATA Power Y-Cable – Best Overall LP4 Molex SATA Power Adapter
Cable Matters 3-Pack Molex to Dual SATA Power Y-Cable
Molex to Dual SATA Output
Six Inch Cable Length
Supports HDD and SSD
Durable Copper Conductors
This adapter splits one legacy Molex port into two SATA outputs making it ideal for adding multiple drives. It holds a solid rating for reliability and ease of use in standard desktop builds.
Pros
- Splits one port to two
- Ideal length for routing
- Reliable brand reputation
- Secure connector fit
- Includes three adapters
Cons
- Y-splitter not for high wattage
- May reduce airflow in tight cases
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The six inch length helps keep cables tidy inside your case while the dual output saves valuable power supply ports. Copper conductors ensure stable voltage delivery for your storage devices.
Splitting power can reduce headroom for high performance drives so check your power needs before use. The compact design may limit airflow slightly in very small cases with dense hardware.
Buy this if you need to power multiple SATA drives from an older PSU. It is a cost effective way to upgrade storage without replacing your entire power supply system.
Dual Drive Support
This Y-cable allows you to connect two SATA drives to a single Molex port expanding your storage capacity efficiently.
Cable Management
The six inch length is short enough to reduce clutter but long enough to reach most drive bays comfortably.
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2. 3 Pack 4 Pin Molex to Dual SATA Power Y-Cable Adapter – Best Budget LP4 Molex SATA Power Adapter
3 Pack 4 Pin Molex to Dual SATA Power Y-Cable Adapter
Molex to Dual SATA Splitter
Seven Inch Cable Length
Secure Latching Interfaces
Value Three Pack Set
This budget friendly option offers a three pack of Y-splitters for power multiple drives from one Molex port. It features secure latching connectors to keep connections stable during operation.
Pros
- Most affordable option available
- Includes latching connectors
- Good value three pack
- Standard SATA compatibility
- Easy plug and play install
Cons
- Build quality varies by unit
- Shorter cables than some
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The seven inch length provides reasonable reach for most standard desktop cases. Latching interfaces help prevent accidental disconnections which is common with standard connectors on older PSUs.
Lower cost sometimes means less robust shielding or materials compared to premium brands. Ensure your PSU has enough wattage before splitting one port into two drives.
Choose this if you need multiple adapters on a tight budget. It works well for non critical storage drives or older systems where cost is the main priority.
Secure Connections
Latching interfaces on the SATA end help prevent cables from slipping out due to vibration or movement inside the case.
Value Pack
Buying a three pack saves money compared to single units and ensures you have spares for future upgrades.
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3. StarTech 12in SATA to LP4 Power Adapter Cable – Best Premium LP4 Molex SATA Power Adapter
StarTech 12in SATA to LP4 Power Adapter Cable
SATA to Molex Reverse
Twelve Inch Cable Length
Premium Brand Quality
Durable Jacket Material
StarTech is known for enterprise grade cables and this adapter maintains that standard with durable materials and precise connectors. It offers a twelve inch length for more flexible routing options.
Pros
- Reputable brand reliability
- Longer cable length
- High quality construction
- Consistent connector fit
- Professional grade design
Cons
- Higher price than others
- SATA male to Molex female only
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The longer cable helps when drives are far from the power supply or when you need to route cables around other components. Premium jacket materials resist wear and tear over time.
The higher price reflects brand reputation and quality but may not matter for basic home builds. Note this version is SATA male to Molex female unlike most others in this guide.
Invest in this for critical systems or professional builds where reliability is paramount. It ensures stable power delivery and physical durability for long term use in demanding environments.
Cable Length
Twelve inches of length provides extra slack for routing around complex case interiors without tension or strain on connectors.
Brand Reliability
StarTech cables are widely used in business environments for their consistent performance and longer warranty support options.
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4. SATA to 4 Pin Power Cable Adapter 3 Pack – Solid LP4 Molex SATA Power Adapter
SATA to 4 Pin Power Cable Adapter 3 Pack
SATA 15 Pin Male
Molex LP4 Female
Seven Inch Length
Three Pack Included
This pack offers three straightforward adapters to connect modern SATA drives to older Molex power supplies. Users rate it highly for ease of use and basic functionality.
Pros
- High user rating
- Three pack value
- Simple plug and play
- Standard SATA to Molex
- Clear labeling
Cons
- Basic construction materials
- Short cable for some cases
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The seven inch length works for most mid tower cases where the drive bay is near the PSU. Clear labeling helps identify the connectors quickly during installation.
It lacks premium features like latches or sleeving which may affect durability in high vibration environments. The basic design focuses on function over aesthetics or advanced engineering.
Buy this for simple upgrades where you need multiple adapters cheaply. It works well for secondary drives or optical drives that do not require high power stability.
Basic Functionality
This adapter provides essential connectivity without extra features making it ideal for straightforward replacement scenarios.
Pack Value
Having three cables allows you to upgrade multiple drives at once or keep spares for future maintenance needs.
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5. Cable Matters 3-Pack 4-Pin Molex to SATA Power Cable – Reliable LP4 Molex SATA Power Adapter
Cable Matters 3-Pack 4-Pin Molex to SATA Power Cable
Molex 4 Pin Male
SATA 15 Pin Female
Six Inch Length
Three Pack Pack
Cable Matters is a well known accessory brand that delivers consistent quality in power adapters. This three pack provides short cables ideal for tidy internal routing in compact cases.
Pros
- Trusted brand name
- Compact cable design
- Reduces internal clutter
- Compatible with SATA HDD
- Secure connection
Cons
- Short for large cases
- No locking mechanism
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The six inch length keeps cables away from fans and airflow paths reducing noise and heat buildup. Secure connections help maintain stable power for your storage devices.
The lack of locking latches means cables may work loose over time if the case is moved frequently. Shorter length might not reach drives in large full tower cases easily.
Use this for standard builds where you prioritize cable management and brand reliability. It is a good choice for SATA HDDs or optical drives that do not require extra power.
Cable Management
The compact six inch design helps reduce clutter inside your PC case improving airflow and making maintenance easier.
Brand Trust
Cable Matters products are widely available and supported with consistent quality control across their accessory lines.
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6. 3-Pack 7.8 Inch 4 Pin Molex to SATA Power Cable – Versatile LP4 Molex SATA Power Adapter
3-Pack 7.8 Inch 4 Pin Molex to SATA Power Cable
Molex to SATA 15 Pin
Seven Point Eight Inch
22 AWG Copper
UL Listed Safety
This adapter features UL listing and fire resistance ratings for safer operation in your PC. The seven point eight inch length is a practical middle ground for most case sizes.
Pros
- UL listed safety standard
- Good cable length
- Tested before packing
- 22 AWG conductors
- Easy connection design
Cons
- Mid range price point
- Basic jacket material
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The conductors are specified as 22 AWG copper which provides reliable power transfer for standard SATA devices. Testing before packing ensures each cable works correctly out of the box.
It lacks premium sleeve materials found on higher end cables but covers essential safety and function. The price is moderate so it may not be the cheapest option available.
Select this for builds where safety standards and medium length are important. It suits general upgrades for SATA drives without requiring extreme durability or aesthetic features.
Safety Listing
UL listing ensures the cable meets specific safety standards for fire resistance and material quality in consumer electronics.
Conductor Quality
22 AWG copper conductors provide a balanced thickness for power delivery without adding unnecessary bulk inside the case.
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7. 4 Pin Molex to SATA Power Cable – Secure LP4 Molex SATA Power Adapter
4 Pin Molex to SATA Power Cable
Locking Latch Design
Seven Inch Length
SATA 15 Pin
Three Pack Included
This option includes a locking latch on the SATA connector to prevent accidental disconnections which is rare at this price point. It has a high user rating for stability and performance.
Pros
- Locking latch included
- High user rating
- Secure connection
- Good length
- Cost effective
Cons
- Latches may feel stiff
- Basic jacket material
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The seven inch length is standard for most cases and the latch adds confidence when installing drives in high vibration environments. Users report good connectivity without voltage issues.
Latches can sometimes be stiff to press which requires a small amount of force during installation. The jacket material is standard PVC which may not resist abrasion as well as premium options.
Choose this if secure connections are your main concern. It offers a practical feature not found on many budget alternatives while remaining affordable for most users.
Locking Latch
The built-in latch secures the cable to the drive port preventing accidental slips during transport or vibration.
User Feedback
High user ratings suggest consistent performance across the three pack with few reports of defective units.
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8. SATA Power Cable Adapter 3PCS 8Inch SATA 15 Pin Male – Durable LP4 Molex SATA Power Adapter
SATA Power Cable Adapter 3PCS 8Inch SATA 15 Pin Male
SATA 15 Pin Male
Molex LP4 Female
18 AWG Copper
Eight Inch Length
This adapter uses 18 AWG copper which is thicker than many competitors providing robust power delivery. The eight inch length offers slightly more slack for routing in larger cases.
Pros
- Thick 18 AWG wire
- Strong durable build
- Good length
- High rating
- Three pack value
Cons
- Cable may be stiff
- Basic connector plastic
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Users report strong durability and easy insertion due to the thicker wire gauge. It is rated highly for consistent performance over long periods of use in standard setups.
The thicker wire can make the cable slightly stiffer which might be harder to route in very tight spaces. Connector plastic is standard so it may crack if bent excessively during install.
Opt for this when you want thicker conductors for reliable power transmission. It suits general upgrades where cable bulk is not a major constraint inside your PC.
Wire Gauge
18 AWG copper conductors are thicker than standard options reducing resistance and improving stability for your drives.
Durability
The strong build and user reports indicate these cables withstand regular handling and long-term installation well.
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9. Duttek SATA to Molex Adapter – Functional LP4 Molex SATA Power Adapter
Duttek SATA to Molex Adapter
Latch Design Included
Two Pack Quantity
PVC and Metal
Standard SATA
This adapter features a latch design to prevent accidental disconnections and is made from durable PVC and metal materials. It supports standard SATA drives and is lightweight for ease of use.
Pros
- Secure latch design
- PVC and metal build
- Lightweight design
- Standard SATA support
- Easy installation
Cons
- Only two in pack
- No length specified
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The latch ensures the connector stays in place during normal operation which helps with stability. Metal components add strength to the connector housing for long term use.
The pack includes only two units which may be less value compared to three pack options. The cable length is not specified in the main description which may cause planning issues.
Use this if you need a secure connector and do not need a large quantity. It is suitable for small upgrades or replacing a single failed cable in your system.
Latch Design
The latch mechanism locks the connector to the drive port preventing accidental pulls that could interrupt power.
Material Build
PVC and metal construction provides a balance of flexibility and strength for the connector body.
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10. CRJ 15-Pin SATA to 4-Pin Molex Power Adapter Cable – Sleek LP4 Molex SATA Power Adapter
CRJ 15-Pin SATA to 4-Pin Molex Power Adapter Cable
Black Sleeved Design
Twelve Inch Length
High Density Sleeving
Low Visibility
This adapter uses high density black sleeving to blend in with black cable management setups for a cleaner look. It is twelve inches long providing ample slack for routing in larger cases.
Pros
- Black sleeved aesthetic
- Twelve inch length
- High quality build
- Clean appearance
- Solid connector fit
Cons
- Sleeving adds bulk
- Not for Y-splitting
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The sleeving minimizes wire visibility which helps with builds where aesthetics matter. The connector fit is solid to prevent accidental disconnections during standard use.
Sleeving can add thickness to the cable which might make it harder to route through narrow channels. This version is one to one and does not split ports for multiple drives.
Choose this if you prioritize clean cable management and longer length. It is a good match for custom builds where visibility and routing flexibility are key priorities.
Sleeved Aesthetics
Black sleeving helps the cable blend into your PC case reducing visual clutter and improving the overall look.
Length Flexibility
Twelve inches of length gives you room to route cables away from fans and other components safely.
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Buying Guide – How to Choose the Best LP4 Molex SATA Power Adapter
Selecting the right adapter involves checking connector types cable length and build quality. This guide explains the key factors to consider before purchasing.
Connector Types
Ensure the adapter matches your PSU's Molex port and your drive's SATA power port. Most adapters are Molex Male to SATA Female but reverse options exist for different setups.
Always verify the pin layout on both ends before buying to ensure physical compatibility with your specific power supply and drive hardware.
Cable Length
Cable lengths range from six to twelve inches depending on the model. Measure the distance between your PSU and drive bays to avoid cables that are too short or too long.
Choose a length that allows for tidy routing without tension to prevent accidental disconnections or strain on the connectors over time.
Build Quality
Look for copper conductors and fire resistant materials like PVC or braided sleeving. These features improve safety and durability especially in high vibration environments.
Higher quality construction reduces the risk of voltage drops or connector wear ensuring your drives receive stable power consistently.
Connector Locking
Some adapters include a latch on the SATA connector to prevent it from slipping out. This is valuable for portable or frequently moved systems.
If your case is stationary standard connectors work fine but locking features add peace of mind for transport or high vibration scenarios.
Splitter vs Single
Decide if you need a Y-splitter to power two drives from one port or a simple one to one cable. Splitters save PSU ports but share power between drives.
Avoid splitters for high performance drives requiring significant power. Use them only for standard HDDs or optical drives to prevent instability.
Brand Reputation
Brands like Cable Matters and StarTech have established reputations for reliable accessories. This often correlates with better quality control and consistent performance.
Trusted brands may cost more but reduce the risk of defects and ensure safer power delivery for your valuable storage components.
Pack Size
Most options come in packs of two or three which provides spare cables for future upgrades. Buying in bulk is usually cheaper per unit than single cables.
Consider how many drives you need to power now and later. A larger pack ensures you have backups without needing to order more later.
Safety Ratings
Check for UL listings or similar safety certifications that verify fire resistance and material standards. These ratings confirm the cable meets basic safety requirements.
Prioritize cables with safety certifications for any new build or upgrade to ensure safe operation within your computer case.
How to Use and Care for Your LP4 Molex SATA Power Adapter
Turn off your computer and unplug the power supply before connecting any adapters. Never attempt to plug or unplug these cables while the system is powered on to avoid electrical hazards.
Align the pins correctly when inserting the connectors. The notch on the SATA connector should match the orientation of the drive port to ensure a secure fit.
Inspect the cable for any signs of wear or damage before installation. Replace any adapters that show fraying cracks or bent pins to maintain safety and reliability.
Frequently Asked Questions
Can I use an LP4 Molex SATA adapter to power a GPU?
No these adapters are designed for SATA drives not GPUs. GPUs require PCIe power connectors which deliver higher wattage and have different pin layouts. Using a SATA adapter for a GPU can cause electrical failure.
Is it safe to use a Y-splitter adapter?
Yes it is safe for standard SATA drives that do not require high power. Ensure your power supply has enough wattage to handle two drives from one port. Avoid using splitters for high performance drives.
What is the difference between Molex and SATA power connectors?
Molex connectors are older four pin designs used in legacy PSUs while SATA power connectors are fifteen pin and found on modern drives. Adapters bridge this gap to allow newer drives to work with older power supplies.
Do these adapters support hot swapping?
No hot swapping is not supported for SATA power adapters. Always power down your system before connecting or disconnecting these cables to prevent hardware damage or data loss.
Why is my drive not being detected after connecting?
Check that the adapter is fully seated on both ends. Loose connections can cause the drive to fail detection. Also verify your PSU has enough capacity to power the additional drive.
Are these adapters compatible with 2.5 inch SSDs?
Yes these adapters work with both 3.5 inch and 2.5 inch SATA SSDs. The SATA power connector is standardized across these sizes so compatibility is generally universal for SATA devices.
Final Thoughts on Choosing the Best LP4 Molex SATA Power Adapter
The Cable Matters Dual Y-Cable offers the best balance of features and reliability for most users. Budget buyers should consider the affordable three pack options for simple upgrades.
Prioritize secure connectors and proper cable length to ensure stable power delivery. Avoid overloading power supply ports by matching wattage needs before using splitters.
Prices and availability change frequently so check current listings before buying. Choose the adapter that fits your specific case layout and power requirements for a smooth upgrade.