4 Pin Molex to SATA Power Cable with Locking Latch
4.8Editor score
Secure locking latch design
Copper core conductors
Plug and play install
In this guide
Choosing the right LP4 Molex SATA Power Adapter ensures your modern drives work with older power supplies without hassle. You need a solid connector that delivers stable power to your drives securely.
We compared ten top-rated adapters based on build quality, connector design, cable length, and user feedback. This list covers single and dual output options for various upgrade needs.
Each pick shows real specs and verified performance details to help you decide quickly. Remember that stock and availability change often so check the links for current status.
Top 3 Picks for Best LP4 Molex SATA Power Adapter
Cable Matters 3-Pack 4-Pin Molex to SATA Power Cable
4.7Editor score
Flexible internal cable design
Clean 6 inch routing
Three pack value set
CRJ 15-Pin SATA to 4-Pin Molex Power Adapter Cable
4.7Editor score
Black sleeved premium build
High density connectors
Twelve inch cable length
Top 10 Best LP4 Molex SATA Power Adapter in 2026 Compared
Below you will find a side-by-side comparison of all ten products included in this guide. Each entry lists key specs and links to current product pages so you can evaluate build quality and connector types easily.
ProductsSpecificationsEditor scorePrice
Best Budget
SATA to 4 Pin Power Cable Adapter 3 Pack
7 inch cable length
SATA 15 pin male
Molex LP4 female
Three pack included
4.7Editor score
Editor's Choice
Cable Matters 3-Pack 4-Pin Molex to SATA Power Cable
6 inch cable length
SATA to Molex
Internal drive connection
Spare options included
4.7Editor score
Best Premium
Cable Matters 3-Pack Molex to Dual SATA Power Y-Cable
Dual SATA outputs
6 inch Y-cable design
Legacy power supply use
System builder value
4.6Editor score
StarTech 12in SATA to LP4 Power Adapter Cable
12 inch cable length
LP4 Molex device power
SATA power connection
Premium build quality
4.6Editor score
3 Pack 4 Pin Molex to Dual SATA Power Y-Cable Adapter
7 inch cable length
Dual SATA splitter
High precision connectors
Premium copper conductors
4.3Editor score
3-Pack 7.8 Inch 4 Pin Molex to SATA Power Cable
7.8 inch cable length
UL listed safety
22 AWG copper
Easy connection testing
4.4Editor score
4 Pin Molex to SATA Power Cable with Locking Latch
7 inch cable length
Locking latch design
Copper core wire
Secure plug and play
4.8Editor score
SATA Power Cable Adapter 3PCS 8Inch SATA 15 Pin Male
8 inch cable length
18 AWG wire spec
Copper conductor material
Easy insert and unplug
4.7Editor score
Duttek SATA to Molex Adapter with Latching Design
Latching secure connection
PVC and metal build
Extends cable service life
Two pack included
4.4Editor score
CRJ 15-Pin SATA to 4-Pin Molex Power Adapter Cable
12 inch cable length
Black sleeved build
High density connectors
Peripheral Molex power
4.7Editor score
1. Cable Matters 3-Pack – Editor's Choice for Internal Routing
Cable Matters 3-Pack 4-Pin Molex to SATA Power Cable
6 inch compact design
Three pack value set
Internal drive connection
Stable power delivery
This Cable Matters adapter is a top choice for builders who need clean internal routing. It has a solid 4.7 rating from users who value stability and quality connectors.
Pros
- Clean internal routing
- Spares included for repairs
- Flexible cable material
- Reliable legacy PSU use
Cons
- Short length for some cases
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The 6 inch length keeps clutter down inside cases while still reaching most drive bays. It is designed specifically for connecting modern SATA HDDs to older power supplies with Molex ports.
While the cable is short, this is often a benefit for airflow and organization. You get three cables in one pack which means you can replace them easily if needed later.
Anyone building an older PC or upgrading storage should consider this set. It balances price performance and ease of use better than many single cable options on the market today.
Clean Cable Management
The compact design ensures wires do not block airflow or look messy inside your desktop PC case.
Legacy System Upgrades
Use this to extend the life of your older power supply without spending money on a new unit.
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2. 4 Pin Molex to SATA Cable – Best Budget with Locking Feature
4 Pin Molex to SATA Power Cable with Locking Latch
7 inch cable length
Locking latch design
Copper core wire
Secure plug and play
This adapter stands out with a 4.8 rating and a locking latch to prevent accidental disconnections. It is one of the most affordable options that still offers high build quality.
Pros
- Highest user rating
- Secure locking mechanism
- Low cost per unit
- Copper conductors
Cons
- Not for hot plugging
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The locking latch is a great feature because it keeps the cable secured to the drive port. This reduces the risk of power loss due to vibrations or accidental bumps inside the case.
You must turn off power before connecting or disconnecting since hot plugging is not supported. This is a standard safety note for these types of adapters and most users accept it.
For DIYers on a budget who want secure connections, this is an excellent pick. The three pack ensures you have replacements and the price makes it easy to buy extra.
Secure Connection Design
The locking latch keeps the cable firmly in place so your drives stay powered during operation.
High Value Pack
With three cables included at a low price point you get great value for system builds.
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3. CRJ SATA to Molex – Premium Build with Black Sleeving
CRJ 15-Pin SATA to 4-Pin Molex Power Adapter Cable
12 inch cable length
Black sleeved build
High density connectors
Peripheral Molex power
This adapter is ideal for builders who care about aesthetics and cable quality. It features a premium black sleeve and connectors that look clean inside modern cases with clear panels.
Pros
- Professional black look
- Longer cable reach
- Durable sleeving
- Clean wire visibility
Cons
- Higher price than basic options
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The 12 inch length gives you more reach than standard 6 or 7 inch cables. This helps if your power supply is far from the drive bays or you need more routing flexibility.
Because of the premium build the price is higher than basic adapters. However you get better durability and a nicer look that many custom PC enthusiasts prefer for their rigs.
If you want a cable that matches a black build and lasts long this is a strong choice. The sleeving protects wires and reduces clutter so your interior stays tidy.
Aesthetic Appeal
The all black sleeved design blends seamlessly into dark or custom PC builds for a professional look.
Extended Reach
The extra length allows routing around obstacles that shorter adapters cannot reach in larger cases.
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4. SATA to 4 Pin Adapter 3 Pack – Simple and Effective
SATA to 4 Pin Power Cable Adapter 3 Pack
7 inch cable length
SATA 15 pin male
Molex LP4 female
Three pack included
This adapter provides a simple solution for connecting SATA devices to Molex power sources. It has a strong 4.7 rating indicating reliable performance across many user installs.
Pros
- Straightforward design
- Good cable length
- Three units included
- Solid rating
Cons
- Basic connector finish
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The 7 inch length is a good middle ground between short 6 inch and longer 12 inch cables. It fits most standard cases without taking up too much space or being too tight.
While the connectors are basic they work well for standard drives. You get three units so you can set up multiple drives or keep spares for future projects easily.
If you need a no fuss adapter that gets the job done this is a great pick. The value of a three pack makes it easy to stock up for different builds.
Balanced Length
The seven inch cable offers enough reach without adding clutter to tight PC interiors.
Three Pack Value
Having multiple cables means you can upgrade several drives at once without buying separately.
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5. Cable Matters Dual SATA Y-Cable – Power Two Drives from One Port
Cable Matters 3-Pack Molex to Dual SATA Power Y-Cable
Dual SATA outputs
6 inch Y-cable design
Legacy power supply use
System builder value
This Y-cable lets you power two SATA devices from a single Molex port which is great for storage builds. It has a 4.6 rating and is trusted by many system builders.
Pros
- Splits one port to two
- Reduces PSU port use
- Reliable brand
- Compact design
Cons
- Y-splitter power limits
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Using a Y-cable helps when your power supply has limited Molex ports. You can connect more hard drives or optical drives without needing extra adapters or a new power unit.
Be aware that two drives on one port share power so check your PSU capacity. For standard HDDs and SSDs it works well and the cable is short enough to manage easily.
If you are adding extra storage to an old PC this adapter is very useful. It simplifies wiring and helps you make the most of existing power supply connections.
Multi Drive Support
Split one legacy Molex port to power two SATA drives and maximize your storage potential.
Efficient Wiring
Reduce clutter by using one cable for two drives instead of multiple separate adapters.
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6. StarTech 12in Adapter – Long Reach for Large Cases
StarTech 12in SATA to LP4 Power Adapter Cable
12 inch cable length
LP4 Molex device power
SATA power connection
Premium build quality
This StarTech adapter is perfect when you need a longer cable to reach drive bays. It has a 4.6 rating and is known for durable construction and dependable performance.
Pros
- Extra long reach
- Trusted brand
- High reliability
- Flexible routing
Cons
- May be too long for small cases
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The 12 inch length helps in larger cases where the power supply is far from drives. It gives you more flexibility to route wires neatly without tension on the connectors.
StarTech is a respected brand in cables and this adapter lives up to that reputation. You can expect good connector fit and minimal signal or power issues during use.
If your build requires extra length for clean cable management this is a solid pick. It ensures your drives get power without forcing wires into tight spaces that could cause damage.
Extended Cable Reach
Twelve inches of length allows routing across larger chassis to reach distant drive bays.
Reliable Brand
StarTech products are trusted by professionals for quality and long term durability.
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7. 3 Pack Dual SATA Y-Cable – Great for Multi Drive Setups
3 Pack 4 Pin Molex to Dual SATA Power Y-Cable Adapter
7 inch cable length
Dual SATA splitter
High precision connectors
Premium copper conductors
This pack of three Y-cables helps you add many drives at a low cost. It has a 4.3 rating and features copper conductors for stable power delivery to your storage devices.
Pros
- Value pack of three
- Dual output capability
- Copper conductors
- Secure latching
Cons
- Slightly lower rating
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Each cable splits one Molex port into two SATA connectors so you can attach multiple HDDs or SSDs. The 7 inch length is standard and fits most cases without issues.
The connectors have latching features to stay secure on drives. This helps prevent accidental disconnects during use and keeps your system running smoothly over time.
For budget builds or server upgrades this is a practical solution. You get enough cables to power several drives while keeping costs low and setup simple.
Bulk Upgrade Value
Three Y-cables in one pack let you upgrade many drives at once without separate purchases.
Secure Connectors
Latching interfaces keep cables attached to drives and reduce connection failures.
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8. 3-Pack 7.8 Inch Adapter – Safety Listed for Peace of Mind
3-Pack 7.8 Inch 4 Pin Molex to SATA Power Cable
7.8 inch cable length
UL listed safety
22 AWG copper
Easy connection testing
This adapter offers safety features like UL listing and fire resistance which add peace of mind. It has a 4.4 rating and is ideal for users who prioritize certified components.
Pros
- UL listed for safety
- Fire resistance
- Three pack value
- Tested before packing
Cons
- Non standard length
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The 7.8 inch length is slightly longer than standard 6 or 7 inch cables. It provides a bit more slack for routing while still keeping things tidy inside the case.
Each cable is tested before packing which helps ensure you get a working product every time. The 22 AWG copper conductors support stable power for typical drives and optical units.
If safety and reliability matter most this is a great choice. The three pack lets you keep spares and the certification shows the product meets safety standards.
Certified Safety
UL listing and fire resistance provide extra assurance for safe operation with your drives.
Tested Quality
Every cable is checked before shipping to reduce the chance of defects or issues.
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9. 3PCS 8Inch Adapter Adapter Solid and Durable Copper Build
SATA Power Cable Adapter 3PCS 8Inch SATA 15 Pin Male
8 inch cable length
18 AWG wire spec
Copper conductor material
Easy insert and unplug
This adapter uses 18 AWG copper wire which is thicker than many competitors and helps with power stability. It has a 4.7 rating and works well for standard desktop setups.
Pros
- 18 AWG copper wire
- Durable construction
- Eight inch length
- Three pack
Cons
- Basic connector design
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The 8 inch length is a good fit for most cases giving you a bit more reach than 6 inch cables. The wires are strong and durable so they resist wear and damage over time.
Connectors are easy to insert and unplug which makes installation and removal simple. You get three cables in the pack so you can upgrade multiple drives without extra cost.
For those who value wire quality and durability this adapter is a strong pick. The thicker gauge helps ensure reliable power delivery to your hard drives and optical drives.
Thick Wire Gauge
The 18 AWG copper wire supports stable power and reduces voltage drop during use.
Durable Build
Strong construction ensures cables last through multiple moves and installations without fraying.
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10. Duttek SATA to Molex Adapter – Latching Design for Security
Duttek SATA to Molex Adapter
Latching secure connection
PVC and metal build
Extends cable service life
Two pack included
This adapter features a latch design that keeps the connection secure and reduces wear. It has a 4.4 rating and is made of quality PVC and metal for durability.
Pros
- Secure latch design
- Quality materials
- Protects cable life
- Two pack value
Cons
- Only two cables included
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The latch helps prevent the cable from falling off which extends the service life of the adapter. This is useful for systems that may be moved or vibrated during operation.
While it comes with only two cables this is still good value for secure connections. The materials are environmentally friendly and resistant to wear and tear over time.
If you want an adapter that protects your cables and stays connected this is a good pick. The latching feature gives you confidence that your drives will stay powered reliably.
Secure Latching
The latch design locks the cable in place and reduces accidental disconnections during use.
Longer Life
Better connectors and materials help the adapter last longer than basic unlatched options.
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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, build materials, and whether you need a single or dual output. This guide breaks down the most important factors to consider.
Connector Type and Orientation
Check whether the adapter has a SATA 15-pin male or female end and a Molex LP4 female or male end. Most adapters convert Molex LP4 to SATA 15-pin female to fit modern drives. Ensure the connector matches your drive port and PSU port to avoid fit issues.
Choose adapters with connectors that match your drive ports to ensure proper fit and secure connection.
Cable Length
Cable length varies from 6 inches to 12 inches or more. Shorter cables keep clutter low but may not reach far drive bays. Longer cables give more routing flexibility but can add bulk. Measure the distance between your PSU and drives before buying to avoid cables that are too short.
Measure your case layout to choose a cable that reaches your drives without adding excess slack or tension.
Build Material and Safety
Look for adapters with copper conductors and UL or fire resistant ratings. Better materials reduce voltage drop and increase safety. Adapters with sleeving or metal housing last longer and protect wires from abrasion. Avoid cheap thin wires that may overheat with multiple drives.
Prioritize copper conductors and safety certifications to ensure stable power and protect your storage devices.
Single vs Dual Output
Some adapters split one Molex port into two SATA outputs for multiple drives. Dual output cables save PSU ports but require checking power capacity. Single output cables are simpler and safer for single drive installs. Choose based on how many drives you need to power from one source.
Use dual output adapters when you need to power multiple drives from one Molex port and your PSU supports the load.
Latching and Secure Connection
Adapters with locking latches stay connected more securely and reduce the risk of disconnection. This is helpful in systems that move or have high vibration. Latching connectors also protect the cable port from wear over time. If stability is a priority look for this feature.
Select adapters with latching connectors if you want to prevent accidental disconnections during normal use.
Pack Size and Value
Many adapters come in packs of three or two which provides spares for repairs or multiple builds. Buying a pack often costs less per unit than single cables. If you plan to add several drives a pack ensures you have enough adapters without multiple orders. Check how many are included before buying.
Choose multi-pack options to get spare cables and save money if you need multiple adapters.
Brand Reputation and Ratings
Reputable brands like Cable Matters and StarTech often offer better build quality and customer support. Check user ratings and reviews to see real world performance. High ratings indicate reliability and fewer defects. Established brands may cost more but reduce the risk of faulty adapters.
Prefer adapters from well known brands with high user ratings for better reliability and support.
How to Use and Care for Your LP4 Molex SATA Power Adapter
First turn off your computer and unplug the power cord before installing the adapter. Connect the Molex end to the power supply port and the SATA end to your drive. Push firmly until the latch clicks if the cable has a locking feature.
After connecting check that the cable sits flat and does not pinch other wires. Make sure the connector is fully seated so power flows correctly. Turn on the system and confirm the drive is detected by your operating system.
Care for the adapter by avoiding sharp bends or pulling on the cable. Keep connectors clean from dust and debris. If you remove the drive turn off power first and press the latch gently to release the connector safely.
Frequently Asked Questions
Can I use an LP4 Molex SATA Power Adapter with SSDs?
Yes this adapter works with most SATA SSDs as long as they require standard 15-pin SATA power. Ensure the power supply provides stable voltage and the adapter has enough current capacity for your drive.
Is it safe to hot plug these adapters?
No hot plugging is not supported for these adapters. You must turn off power before connecting or disconnecting to avoid electrical shorts or damage to your drives and power supply.
Do dual output adapters reduce power quality?
Dual output adapters share power from one port so the total draw must stay within the PSU limit. For single low power drives this works fine but avoid connecting many high draw drives to one port.
What is the difference between Molex LP4 and SATA power connectors?
Molex LP4 is a legacy 4-pin connector while SATA power is a 15-pin connector designed for modern drives. The adapter bridges these two standards so older power supplies can power newer devices.
How do I know if my power supply has Molex ports?
Look at the cables coming from your power supply for 4-pin white connectors with rectangular holes. If you see these your PSU has Molex ports and you can use an adapter to power SATA drives.
Will a longer cable affect power delivery?
Longer cables can add resistance but quality copper conductors minimize this effect. Adapters up to 12 inches are generally safe for standard drives without impacting performance or stability.
Final Thoughts on Choosing the Best LP4 Molex SATA Power Adapter
We recommend the Cable Matters 3-Pack for clean internal routing and the 4 Pin Molex with locking latch for budget security. The CRJ black sleeved adapter is ideal for premium builds with aesthetic priorities.
When choosing prioritize cable length and connector type to match your case layout. Also consider if you need dual outputs to power multiple drives from one Molex port.
Always verify current availability and stock before buying since models can change. Use the links above to confirm the exact adapter fits your needs today.