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Rectangular metal PSU with matte black finish, single 120mm fan grille, cable bundle emerging from one side

Silverstone

SilverStone Strider Essential SST-ST70F-ES230 700W power supply

SKU CH-187P-9EPNN

A 700 W ATX12V power supply with 80 PLUS certification, active PFC above .9, a single +12 V rail rated at 54 A, and a 120 mm fan rated from 18 dBA

  • Max wattage700 W
  • Power efficiency82% - 85% at 20% - 100% loading
  • Fan configurationSingle 120 mm silent fan 18 dBA minimum
  • Power factor correctionActive PFC (PF>0.9 at full load)
  • 12V railsSingle
  • Efficiency certification80 PLUS Certified
  • 700 W output powers demanding builds
  • 80 PLUS certified efficiency between 82% and 85%
  • Single +12 V rail delivers 54 A for stable GPU power
  • 120 mm fan runs as low as 18 dBA for quiet operation
  • Active PFC achieves power factor above .9 at full load

Essential power for mainstream builds

The SilverStone Strider Essential SST-ST70F-ES230 delivers 700 W of continuous power from a single +12 V rail rated at 54 A. It carries 80 PLUS certification with 82–85 % efficiency across 20–100 % loading and active PFC above .9 at full load. A 120 mm fan runs at a minimum of 18 dBA for quiet home or office use.

Upgrade from lower-wattage or group-regulated units

This unit replaces older supplies that cannot sustain 700 W at 40 °C or that split the +12 V output across multiple rails. The jump is worth it when a graphics card demands an 8-pin and 6-pin PCIe connector pair and the system must run 24/7 without derating. Builders staying with entry-level GPUs or integrated graphics will not need this headroom.

Fits standard ATX cases with 180–264 V input

The 150 mm depth and 24-pin, EPS, four PCIe, four SATA and three peripheral connectors cover typical mid-tower layouts. Cables reach 500 mm for the motherboard and 750 mm for the CPU power plug. Over-voltage and short-circuit protection guard connected components. Systems requiring redundant supplies or server-grade voltage ranges are not addressed by this design.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $94.99
Cheaper than about 70% of the 10,869 comparable items (median $142.99).
Max wattage 700 W
Lower than about 65% of the 930 comparable items (median 850 W).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSilverStone
Product lineStrider Series
Model nameSST-ST70F-ES230
Product typeATX12 V
Ports & slots
Output type+3.3 V@22A, +5 V@22A, +12 V@54A
Connection types1 × 24 / 20-Pin motherboard connector (500 mm)
1 × 8 / 4-Pin EPS / ATX 12 V connector (750 mm)
4 × 8 / 6-Pin PCIE connector ("500 mm / 150 mm" x 2)
4 x SATA connector ("500 mm / 150 mm" x 2)
3 × 4-Pin Peripheral connector (500 mm / 150 mm / 150 mm)
1 × 4-Pin Floppy connector (500 mm / 150 mm / 150 mm / 150 mm)
Power
Max wattage700 W
Power efficiency82% - 85% at 20% - 100% loading
Power factor correctionActive PFC (PF>0.9 at full load)
12V railsSingle
Efficiency certification80 PLUS Certified
Supply voltage180 V - 264 V
AC input frequency47–63 Hz
Overvoltage protectionYes
Over power protectionYes
Size & build
Product dimensions3.39 in × 5.91 in × 5.51 in
Product weight3.15 lb (1.43 kg)
More details
Fan configurationSingle 120 mm silent fan 18 dBA minimum
Mean time between failures100,000 h
Short circuit protectionYes

Questions about this item

Will the 3.39 x 5.91 x 5.51 inch case fit in a standard ATX chassis?

The power supply measures 3.39 inches wide, 5.91 inches deep and 5.51 inches high, matching the standard ATX form factor used by most mid-tower and full-tower cases.

How do I connect the 8/4-pin EPS cable to my motherboard, and what is the common mistake?

Split the 8-pin block into two 4-pin halves if the board only has a 4-pin socket; the mistake is forcing the full 8-pin connector into a 4-pin header.

When should I expect to replace the 120mm fan rated for 100000 hours MTBF?

The fan is designed for 100000 hours of continuous operation at 40°C; in typical desktop use this translates to many years before a replacement is needed.

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