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Black 315W internal power cable with 6 pin and 8 pin connectors

Ruth's sister

Ruth's sister 4FCWX H315ES-00 D315ES-00 XE 2 SFF internal power cable

SKU CH-RRMJ-RH0EP

315 W internal power supply with active PFC, 8-pin CPU and 6-pin graphics connectors for XE 2 SFF desktops

  • 315W output powers XE 2 SFF desktops and servers
  • Active PFC corrects power factor across 100-264V input
  • 8-pin CPU and 6-pin GPU connectors supply key components
  • Non-modular design keeps cabling simple inside small chassis
  • Other 80 PLUS certification confirms baseline efficiency

Ruth's sister 315W SFF power supply

The Ruth's sister 315W unit fits XE 2 SFF desktops and servers. It delivers up to 315W through a non-modular cable set that includes a 6-pin graphics connector and an 8-pin CPU connector. Active PFC corrects the power factor across the 100-264V input range. The supply carries an 80 PLUS certification listed as other certification.

Replaces the original XE 2 SFF power supply

This unit replaces the factory supply in compatible XE 2 SFF systems when the original fails or when a spare is required. The jump is worth it when the existing supply no longer holds voltage under load or when a matching 315W replacement is specified by the chassis. Builders who need higher wattage or modular cabling for cable routing cannot use this model.

Limited to 315W and fixed cables

The 315W ceiling restricts the supply to low-power CPUs and graphics cards that draw within the rated output. The non-modular design means every cable remains attached, which can limit airflow in tight SFF layouts. The 6-pin and 8-pin connectors cover basic GPU and CPU needs but do not support newer 12VHPWR or dual 8-pin GPU configurations. Input voltage auto-ranges from 100V to 264V for worldwide use.

How it compares

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

Price $62.99
Pricier than about 87% 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

What case clearance does the 315W 4FCWX H315ES-00 D315ES-00 need to fit inside an XE 2 SFF chassis?

The unit is built for the XE 2 SFF form factor, so it occupies the standard SFF power-supply bay; no extra depth or height allowance is required beyond the chassis specification.

Which cables must be connected first when installing the non-modular 315W supply, and what is the common mistake?

Route the fixed 24-pin ATX, 8-pin CPU and 6-pin GPU leads before securing the four mounting screws; the frequent error is tightening the screws before the stiff cables are seated, which stresses the connectors.

When should the internal cooling fan of the 315W 4FCWX supply be cleaned or replaced?

Vacuum the fan intake every six to twelve months depending on dust levels; replace the fan only if bearing noise appears or airflow drops noticeably.

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