SATA Cable Manufacturing for Storage, Embedded and OEM Systems
SATA projects can involve a 7-pin internal data link, a 15-pin power lead, a combined 22-pin connection, a Slimline or Micro SATA form, an active USB bridge, or an equipment-specific power harness. These products should not be selected from the word “SATA” alone. Identify whether the assembly carries data, power, or both, then confirm connector gender, pinout, orientation, length, drive and host models, available space, and any locking or retention requirement.
BespokeCable manufactures SATA data cables, angled assemblies, storage-device leads, extensions, adapters, splitters and custom power harnesses for system builders, equipment manufacturers and service programs. For accurate public naming, SATA-IO recommends “SATA 6Gb/s” rather than the informal terms “SATA III” or “SATA 3.” A cable can be designed and validated for a target interface, but it does not upgrade the controller or drive and should not be assigned a single universal performance claim across every build.
Send the motherboard, controller, drive, power source, and enclosure information together with a drawing, pinout, reference sample, or clear photos. Include the routed length, connector exit, quantity, conductor or jacket requirement, labels, packaging, and required validation. Power-conversion and splitter assemblies require explicit voltage rails, current loads, and pin mapping; we never approve them based on connector appearance alone.
Send your SATA cable or storage harness requirements for review.
Core SATA Cable and Adapter Families
This family covers standard host-to-drive data leads for compatible SSDs, HDDs, and other SATA storage devices. Use SATA data cable or SATA 6Gb/s cable terminology rather than SATA III. Confirm 7-pin endpoints, latch, length, controller, drive, and validation target. The cable carries data only; drive power is specified separately.
Right-, left-, down-, and compound-angle labels are options within one 7-pin data-cable family, not separate products. Review the multi-orientation SATA cable configurations and mark both exits from a fixed board or mating-face view. Confirm latch access, adjacent-port spacing, and enclosure clearance.
Laptop storage leads are often model-specific, flexible, or wire assemblies, not universal desktop SATA products. Provide the computer or board model, drive interface, connector photos, bend pattern, dimensions, and mounting points. A matching laptop SATA cable should be approved against the actual device.
Micro SATA is a distinct compact drive interface and is not interchangeable with standard 22-pin or Slimline SATA. For a Micro SATA adapter, state the drive model, mating connector, data and power sides, voltage rails, orientation, and available space.
This family covers 7-pin SATA direction adapters and SATA data extensions. Specify plug/receptacle genders, orientation, and the complete host-to-drive length. Extra connectors and extensions add discontinuities, so approve the full data channel rather than assuming an adapter is transparent.
A USB-to-SATA adapter contains bridge electronics and may need a separate drive power source; it is not a passive cable. Identify USB host capability, SATA drive type, operating-system context, desired features, and power arrangement, then validate representative hosts and drives.
This family groups ordinary 15-pin drive-power leads, SSD/HDD application names, and extensions. Start with the SATA power cable, 15-pin connector, or power extension requirement. Confirm source pinout, rails, load, wire size, and voltage-drop limit; these products do not carry SATA data.
These configurations convert a defined legacy 4-pin peripheral power source to SATA power. Choose between a cable-style lead and a compact adapter according to available space, bend radius, strain relief, and service access. Compare the 4-pin-to-SATA cable family and power adapters. Verify the source pinout, required rails, current, contacts, conductor size, temperature, and connector orientation for the actual load.
Y-cables, four-output, six-output, and other SATA power splitters belong to one multi-drive harness family. Define input rails, drive mix, simultaneous and start-up loads, branch spacing, wire size, and ambient conditions. Connector count does not prove that the source or harness can power every attached device.
Motherboard 6-pin and 8-pin source/load connections are grouped as custom equipment power harnesses, not universal adapters. Review the motherboard SATA power lead, 6-pin harness, or 8-pin configuration only after you document the source/load part numbers, direction, pinout, rails, and maximum current.
A SATA-to-fan adapter can supply defined fan loads from a SATA power source. Specify the fan connector and pinout, voltage, current per branch, number of fans, and whether tachometer or PWM signals are expected. A power-only adapter does not create motherboard speed-control feedback.
Slimline SATA uses a compact 13-pin combined interface for selected optical drives and devices. It is mechanically and electrically distinct from standard 22-pin and Micro SATA connections. Compare Slimline SATA adapters and Slimline SATA cable assemblies, then confirm the device model, data path, power rails, connector gender, orientation, and available clearance before approving the sample.
This family combines the adjacent 7-pin data and 15-pin power sections in a 22-pin drive interface. Options include 22-pin adapters, data-and-power cables, and cable sets. Define host data, source power pinout, rails, genders, and length; validate data and power separately.
More SATA Data, Power and Adapter Options
Choose this configuration when the project specifically calls for a SATA 6Gb/s data link. Connector fit alone does not establish link performance, so state the host and drive models, cable length, required orientation, and validation method. We can then review the conductor layout, termination, and sample test plan for the requested assembly.
This card retains the common purchasing term “SATA 3 cable” while treating the requirement as a SATA Revision 3.x project. Tell us whether your specification requires a 6Gb/s link or another revision-specific condition. Also confirm the endpoints, length, connector direction, and any evidence needed before we add this wording to drawings or labels.
Use this option when your bill of materials or service documentation identifies the part broadly as a SATA cord. Because that term can describe data, power, or combined wiring, provide photos or a sample and identify both mating ports. We will define length, connector gender, pinout, angle, latch, and electrical function before quoting.
A device-focused data cable for connecting a compatible SATA SSD to a host or motherboard. Confirm the SSD form factor, host connector, required data rate, cable length, and available bend space. A standard data lead does not supply drive power, so specify the separate power source or request a combined data-and-power assembly where appropriate.
Designed as the data connection between a SATA hard drive and the host controller in an internal storage system. State the drive and motherboard or backplane models, connector direction, length, latch requirement, and target interface generation. If the installation also needs drive power, list the source connector and requested power harness separately.
A direct SATA data assembly for projects that need defined SATA connectors at both ends. Specify each connector’s gender, latch, and orientation rather than relying on the general “SATA-to-SATA” name. Include the required length, host and device models, interface generation, routing limits, and sample validation criteria so the exact construction can be quoted.
A connector adapter for integrating a Slimline SATA device, such as an optical drive, with the specified host-side data and power interfaces. Confirm both connector standards, genders, and mounting direction, along with the device model and available space. Document the power mapping; a matching connector shape does not prove electrical compatibility with the target equipment.
A combined 7-pin data and 15-pin power adapter for extending or repositioning a 22-pin SATA device connection. Specify connector orientation, added length, populated power rails, wire construction, data-generation requirements, and expected load. Validate the complete channel and power path; this adapter is not a protocol converter or a substitute for an undefined source pinout.
An extension assembly for moving an existing SATA connection to a more accessible location without changing the intended interface. Specify whether the requirement is for 7-pin data, 15-pin power, or combined 22-pin wiring, plus connector genders and orientations. Also review total channel length, equipment models, and required performance or load validation.
A device-focused power harness for a SATA SSD installation. Specify the SSD connector, source connector, and source equipment, plus the required rails, wire gauge, length, and routing space. If data wiring is also required, state whether it should remain a separate 7-pin lead or be supplied as part of a controlled combined assembly.
An equipment-specific power harness between a SATA-style power connection and a defined 8-pin interface. Eight-pin connectors can use very different rail and sense assignments, so this is not a universal adapter. Provide both connector part numbers, source and load models, full pinout, current requirements, wire construction, and the direction of power flow.
A 15-pin SATA power assembly for extending or adapting power between defined SATA-style source and load connectors. Specify male or female at each end, pin continuity, required rails, length, wire gauge, and expected load. Do not assume every contact is populated or that any modular source follows the same wiring convention.
A male-to-female power extension for relocating a compatible SATA-powered drive or accessory within an enclosure. Provide the added length, bend and routing constraints, populated rails, wire gauge, and maximum expected load. Review the total power path and connector temperature margin, especially when several extensions or splitters are used in one system.
A custom harness centered on the standard 15-pin SATA power connector at the load side. Choose this card when the source end, branch arrangement, or equipment integration is still undefined. Send the source pinout, required rails, current per load, wire construction, length, connector direction, and quantity for an application-specific quotation.
A power lead specified around the requirements of a SATA hard drive or storage assembly. Identify the drive, source equipment, and both mating connectors, then provide voltage rails, startup and operating load information, wire gauge, length, and branch count. Data wiring is separate unless your drawing defines a combined 22-pin data-and-power construction.
A custom power lead from a specified 6-pin source to one or more SATA power loads. The 6-pin side may be proprietary and must not be assumed to follow PCIe or modular power-supply wiring. Send connector part numbers, source equipment model, pinout, voltage rails, current per branch, lengths, and required wire gauge.
An adapter-format conversion from a defined 4-pin peripheral power connection to a 15-pin SATA load. Specify whether the project needs a compact molded adapter or a short cable assembly, then provide connector references, pinout, populated rails, current requirements, and orientation. Approval should cover both mechanical fit and the documented electrical mapping.
A storage-device harness defined around a particular hard drive, backplane, or equipment platform. “HDD cable” may mean data, power, or a combined connection, so identify every endpoint and function. Send equipment models, connector photos or part numbers, pinouts, lengths, orientation, and load requirements; an original sample helps when documentation is incomplete.
A device-specific cable for integrating an SSD with a board, host, or power source. Because SSD interfaces and equipment harnesses vary, state whether the required assembly carries SATA data, SATA power, or both. Include the SSD and host models, connector references, pinout, length, mechanical constraints, and required data or power validation.
A coordinated kit containing the specified SATA data lead and a separate power lead for one equipment build. Define the host, drive, and power-source connectors; the data-generation target; voltage rails; current; lengths; and routing. Ordering the pair under one controlled bill of materials helps preserve the approved interfaces, labeling, packaging, and revision across repeat purchases.
A six-piece SATA data cable kit for dense storage builds that need a coordinated set of individually identified leads. Specify the mix of straight, 90-degree, left- or right-exit connectors; each cable length; latch requirement; host and drive layout; and target interface generation. This is a data-cable set; drive power is ordered separately.
Separate SATA Data from SATA Power
Internal SATA data commonly uses a 7-pin path, while standard drive power uses a 15-pin connection; a 22-pin form combines both sections. Slimline, Micro SATA, and equipment-specific harnesses use different arrangements. Name the function and every endpoint before selecting a cable, because “SATA cord” or “SSD cable” does not specify the wiring.


Use Accurate SATA Performance Names
SATA-IO recommends “SATA 6Gb/s” for the interface and advises against marketing terms such as “SATA III” or “SATA 3.0.” The cable, host, and drive must all support the intended link, and actual storage throughput is not equal to the raw interface rate. Request evidence for the exact model and length where performance is critical.
Control Angles, Latches and Clearances
Low-profile, right-, left-, up-, down-, and compound-angle connectors solve different routing problems. Mark orientation from a fixed board or mating-face view and show drive bays, adjacent ports, and cover clearance. Confirm whether a latch is accessible after installation and whether you can service the assembly without removing other components.


Engineer Power Harnesses from Loads and Pinouts
Splitters, PSU leads, motherboard cables, and 6- or 8-pin conversions require the exact source pinout, voltage rails, drive or fan loads, current per branch, wire size, contact system, and ambient conditions. Similar shells can use incompatible wiring. Never approve a connector adapter as a universal power solution based on photographs alone.
Validate the Approved Assembly
Data-cable checks can include continuity, pinout, dimensions, workmanship, and an agreed host-drive functional or signal test. Power-harness checks may include rail verification, voltage-drop testing, or load testing under a defined method. Our quality-control process follows the approved drawing and inspection plan; factory equipment alone does not certify every model.

They use the same standard internal data-connector form. SATA-IO states that existing connectors and cables can be used for SATA 6Gb/s when the components meet the required quality. Approve the exact cable and length for the target link rather than relying on a generation label alone.
No. A standard 7-pin SATA data cable carries the storage link, while the 15-pin connector supplies power to the drive. A 22-pin combined assembly places both sections together but still requires separate data and power definitions and validation.
No. Direction depends on the connector key, which end is viewed, and the board or drive orientation. Use a marked mating-face or top-view drawing. Product words such as right, left, up, and down are not sufficient for OEM approval.
No. The PSU-side shell may look identical, but the manufacturer’s pinout may differ. Use the exact PSU model, connector part number, and verified pin mapping. An incorrect modular cable can place the wrong voltage on a drive.
The standard connector includes contacts assigned to multiple power rails, but equipment and harness implementations vary. Some drives use 3.3 V-related functions differently. State the drive and system requirements and control the full pinout; do not omit or connect a rail by assumption.
Only when the source, contacts, and conductors support the combined start-up and operating loads. Hard-drive spin-up demand can exceed steady-state demand. Provide the drive models and simultaneous-start requirement so we can evaluate the branch count and wire construction.
No. USB and SATA use different protocols, so the product requires bridge electronics. The drive may also need a separate power source. Confirm host USB capability, drive interface, operating system, and required behaviors before selecting the bridge.
No. They use different connector arrangements and serve different device formats. Identify the drive model and its mating interface before ordering. A mechanical conversion may also require a properly defined power path and sufficient enclosure clearance.
Usually not. Laptop cables are often model-specific flexible assemblies with unique board connectors, bends, and mounting features. Match the computer or board part number and approve the dimensions and pinout against the original assembly.
Not unless those signals are separately provided by the design and connected to an appropriate controller. A basic SATA power adapter supplies only defined power rails. Specify fan voltage, current, connector, branch count, and required control or feedback functions.
Related Products
How to Specify a Custom SATA Cable or Storage Harness
SATA cable purchasing becomes clearer when you treat data and power as separate engineering functions. A 7-pin data lead, 15-pin power harness, 22-pin combined assembly, Slimline connector, and USB-to-SATA bridge may all appear in one collection, but they have different selection and validation requirements. The RFQ should describe the complete path through the actual equipment.
1. Identify the Function Before the Connector
State whether the project carries SATA data, drive power, or both. Standard internal data and power connectors are adjacent on many drives, which leads to broad terms such as “hard drive cable.” However, a data lead connects the host controller to the drive, while a power harness connects an approved source to the drive’s required rails. A combined 22-pin assembly contains both functions and should document them separately.
Slimline SATA and Micro SATA serve selected compact devices and do not use the same mechanical arrangement as a standard 22-pin drive connector. Laptop storage cables can be model-specific flexible circuits or harnesses. Provide device and board models rather than assuming a generic adapter will fit.
2. Use SATA 6Gb/s Naming Correctly
SATA-IO’s public naming guidance recommends “SATA 6Gb/s” and advises against the marketing terms “SATA III,” “SATA 3.0,” and “Gen 3.” In an RFQ, state the required SATA interface rate and the host-and-drive combination instead of relying on a legacy generation label, so the cable construction and validation plan matches the actual system.
The raw interface rate is not a promise of application throughput. Host controller, drive, cable, connectors, firmware, and workload affect the result. A cable also does not upgrade a slower controller or drive. Where SATA 6Gb/s operation is required, approve the exact construction and length with relevant evidence.
3. Define Data-Cable Mechanics
Specify straight or angled connector bodies, latch requirement, finished length, and route. Angle words are ambiguous: a “right-angle” plug can exit in different directions depending on which side is viewed. Mark each end on a drawing showing the motherboard port, drive bay, and nearby components.
Latches can improve retention but must remain accessible for service. A low-profile shell may solve cover clearance while changing cable bend and strain. Extensions and rigid adapters add connection points; evaluate the complete channel rather than testing only the base cable.
4. Design Power Harnesses from the Electrical Load
A SATA power RFQ should identify the source connector and pinout, voltage rails, current for each load, number of outputs, wire size, branch spacing, and ambient conditions. Modular PSU connectors and motherboard power headers are not universally pinned. Never copy a cable solely because the shell fits.
Splitters and multi-drive harnesses divide source capacity across several loads. Consider simultaneous operation, start-up demand, connector contacts, conductor temperature, and voltage drop. A four- or six-output harness isn’t safe for every drive mix just because you can attach all connectors.
5. Treat 6-Pin and 8-Pin Conversions as Equipment-Specific
Terms such as “SATA to 6-pin PCIe” or “SATA power to 8-pin” can conceal incompatible source and load expectations. Identify the 6- or 8-pin interface by manufacturer part number, equipment model, and pinout. State direction, rails, maximum current, and wire requirements. Do not market these assemblies as universal graphics-card power adapters.
Apply the same discipline to 4-pin peripheral-to-SATA and fan adapters. A fan power lead may provide voltage but not create a motherboard tachometer or speed-control signal. Document which pins are present and what the connected system expects.
6. Specify USB-to-SATA Bridges as Active Products
A USB-to-SATA adapter contains bridge electronics; it is not a passive connector change. Identify the USB host connector and supported mode, SATA drive type, operating-system context, intended workflow, and power source. Some drives can draw power from a USB implementation while others require a separate supply, so the drive form and load matter.
Approve the bridge with representative drives and hosts. If boot behavior, sleep, hot-plug, SMART access, or another feature is mandatory, name it in the acceptance plan rather than assuming every bridge implements it identically.
7. Control Samples, Tests and Revisions
For data leads, basic production checks may include continuity, pinout, dimensions, and workmanship. Add an agreed functional or signal test when the target interface and length require it. For power harnesses, verify rail mapping before connection and define any load or voltage-drop test. Mechanical checks can cover latch engagement, retention, and connector orientation.
After sample approval, freeze connector parts, cable or wire, length references, pinout, branch dimensions, labels, test plan, and packaging. Review component substitutions before use. Component approvals and factory systems do not automatically certify the finished assembly.
8. Build a Quotable SATA RFQ
| RFQ item | Information to provide | Why it matters |
|---|---|---|
| Equipment | Host/controller, drive, and power-source models | Defines the complete system |
| Function | Data, power, combined or active bridge | Separates different SATA products |
| Connectors | Type, gender, latch, angle, and part numbers | Controls fit and wiring |
| Electrical | Target data rate or power rails and loads | Defines validation and conductors |
| Mechanical | Length, route, branch spacing, and clearance | Controls installation fit |
| Evidence | Sample tests, records and compliance needs | Prevents unsupported approval |
| Commercial | Quantity, forecast, labels and packaging | Supports planning and quotation |
Start with the Storage System
If the cable name is uncertain, send photos of the motherboard or controller, drive, power source, and original assembly, plus the required function and quantity. We can determine whether the project belongs to a 7-pin data family, a power harness, a combined cable, a Slimline or Micro SATA connection, or an active bridge. For external storage links, use the eSATA cable collection; for controller and backplane lane assemblies, review the SAS cable collection.
Submit your SATA drawing, sample, or equipment details for review.


















































