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Black rectangular PWM fan hub with eight 4-pin ports and dual SATA power connectors

EN-Labs

EN-Labs PWMHUB10SMG 8 Port 4Pin PWM Fan Hub internal power cable

SKU CH-J7C7-WCNG7

Eight-port PWM hub splits one motherboard header to run eight fans from dual SATA power

  • Product type4Pin PWM Hub
  • Product colorBlack
  • Expands one motherboard PWM header to eight fans
  • Dual SATA power supports 12 V 2 A across all ports
  • Individual capacitors on every output protect connected fans
  • PWM control for 4-pin fans; 3-pin fans run full speed
  • 64 ft PWM cable and eight cable ties included

8-Port PWM Fan Hub

The EN-Labs PWMHUB10SMG expands a single motherboard PWM header to eight fan connections. It draws 12 V power from two SATA 15-pin connectors on the power supply, allowing up to eight 12 V 2 A chassis fans to run simultaneously. Each output includes a capacitor for device protection, and a 1.64 ft PWM cable is supplied for the motherboard link.

Replaces Daisy-Chain Splitters

Basic Y-cables share one header's limited current and cannot drive multiple high-power fans reliably. This hub moves the load to the PSU, reducing motherboard power draw and heat while keeping PWM speed control for every 4-pin fan attached. The upgrade is worth it when you need more than two or three fans on one header or when fan current exceeds what the board can safely supply.

Suits Builders With Many Case Fans

Ideal for enthusiasts running several chassis coolers who want centralised PWM control from one header. Builders who need independent speed curves for each fan should look elsewhere, because only the red CPU-fan port passes an RPM signal back to the motherboard. Systems without a PWM fan on that red port will run the hub at full speed with no speed regulation.

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

Product
Brand nameEN-Labs
Model namePWMHUB10SMG
Product type4Pin PWM Hub
Product colorBlack

Questions about this item

How many SATA 15-pin connectors from the power supply does this hub need?

The hub draws power through two SATA 15-pin connectors from the PSU.

Which fan header on the hub must be connected first for PWM control to work?

The red header is designated for the CPU fan; PWM control is disabled if this header is left unconnected.

What ongoing maintenance does the hub require after installation?

No scheduled maintenance is needed; only inspect cable ties and the self-stick mount if the system is moved.

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