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Short 6 inch cable with large 4 pin male plug to small 4 pin female socket

Vszerda

Vszerda Molex LP4 to SP4 adapter cable 6 inches

SKU CH-JMDX-863RM

Converts a Molex LP4 power connector to an SP4 floppy drive connector using a 15 cm cable with four wires for 5 V and 12 V

  • Converts large Molex LP4 to small SP4 for floppy drives
  • 15 cm cable fits tight drive bays
  • Four wires carry 5 V and 12 V power
  • Male LP4 to female SP4 connector pairing
  • New adapter ready for internal installation

Vszerda LP4 to SP4 Adapter Cable

This 6‑inch adapter converts a standard Molex LP4 male connector into a smaller SP4 female plug, allowing legacy floppy drives or SP4‑equipped accessories to draw power from a conventional desktop supply. It is aimed at system builders and hobbyists who need to keep older peripherals running in modern chassis without hunting for a dedicated floppy power header.

Thermals, Noise and Power Draw

The cable itself is a passive copper assembly with four conductors rated for 5 V and 12 V delivery, so it adds no active cooling requirement, no fan noise and no measurable power draw beyond the attached device. Its short 15 cm length keeps voltage drop negligible and cable clutter minimal inside the case.

What It Replaces and When to Use It

The adapter replaces a missing or damaged native SP4 header on a power supply, letting you reuse existing floppy drives, card readers or specialty adapters that rely on the small 4‑pin connector. The jump is worth it whenever a build has spare LP4 connectors but no SP4 output, avoiding the cost and wait of a new power supply or a dedicated floppy power cable.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 92% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I connect the LP4 male end to my power supply without bending the pins?

Align the large 4-pin LP4 male connector with the power supply's matching socket and press straight in until the latch clicks; forcing it at an angle bends the pins and breaks the latch.

Will the 6-inch cable length need replacement if I move the floppy drive to a different bay?

The fixed 15 cm length only reaches adjacent bays; relocating the drive farther away requires a longer adapter or an extension cable.

What happens if I draw more than 5 V and 12 V through the adapter during sustained operation?

The four-wire design carries only 5 V and 12 V lines; exceeding those voltages will damage the connector insulation and the attached floppy device.

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