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Spremljani izdelki Prijava
Silver rectangular server power supply unit with four fans and redundant design

Silverstone

Silverstone ST42GF 420W redundant server power supply

SKU CH-MCXW-3KN17 MPN ST42GF

Redundant 420W server power supply with 80 PLUS Bronze efficiency, four fans and hot-swappable design for continuous uptime

  • Single/RedundantRedundant
  • Maximum Power420W
  • Main Connector24Pin
  • Output Current+3.3V@25A, +5V@25A, +12V1@33A, [email protected] , [email pr
  • Input Voltage90 - 264 V
  • Input Frequency Range47 - 63 Hz
  • Redundant 420 W design keeps servers running during a module failure
  • 80 PLUS Bronze efficiency above 80 % cuts energy waste and heat
  • Four fans provide steady airflow for continuous 24/7 operation
  • 100 000 hour MTBF at 25 °C signals long-term reliability
  • Active PFC with power factor above 0.95 ensures clean power draw

Redundant 420W Server Supply

The Silverstone ST42GF is a new redundant server power supply rated at 420W with 80 PLUS Bronze efficiency. It accepts a universal 90 to 264 V input range and uses active PFC with a power factor above .95 at full load. Four internal fans cool the unit while it delivers power through a 24-pin main connector and multiple peripheral leads. A 100,000-hour MTBF at 25 °C under full load indicates long-term reliability.

Hot-Swap Redundant Architecture

The defining specification is the 1+1 redundant configuration with hot-swappable modules that allow a failed unit to be replaced without shutting down the server. Each module can sustain 420W continuous output, and the combined design provides fault tolerance through automatic load sharing. Power fault alarm signals alert administrators immediately when a module loses output, maintaining uptime in critical environments.

Suited For Always-On Rack Servers

This supply suits rack-mount servers that require uninterrupted power and can accommodate the 150 mm by 86 mm by 193 mm form factor with 24-pin, 8-pin EPS12V, 6-pin PCIe, SATA and peripheral connectors. It is not for builders needing higher single-unit wattage, non-redundant desktop ATX builds, or systems that lack the chassis bays and backplane support required for hot-swap module installation.

Poudarki

  • Redundant 420 W design keeps servers running during a module failure
  • 80 PLUS Bronze efficiency above 80 % cuts energy waste and heat
  • Four fans provide steady airflow for continuous 24/7 operation
  • 100 000 hour MTBF at 25 °C signals long-term reliability
  • Active PFC with power factor above 0.95 ensures clean power draw

Specifikacije

BrandSilverStone
ModelST42GF
Single/RedundantRedundant
Maximum Power420W
Main Connector24Pin
Output Current+3.3V@25A, +5V@25A, +12V1@33A, [email protected] , [email protected] - Max.(Amps)
Input Voltage90 - 264 V
Input Frequency Range47 - 63 Hz
Fans4
MTBF100,000 hours at 25 degree C (at Full Load)
Efficiency> 80%
ProtectionOver Current Protection
Over Power Protection
Over Voltage Protection
Short Circuit Protection
FeaturesActive PFC.(PF>0.95 at Full Load)
Connectors:
1 x 24Pin Motherboard connector (500mm)
1 x 8-Pin EPS12V connector (500mm)
1 x 4-Pin ATX 12V connector (500mm)
1 x 6-Pin PCIE connector (500mm)
6 x SATA connector (500mm / 150mm / 150mm)
6 x 4-Pin Peripheral connector (500mm / 150mm / 150mm)
2 x 4-Pin Floppy connector (500mm / 150mm / 150mm / 150mm)
420+420W watts 24hour/7day maximum continuous power output
High efficiency with 80 PLUS Bronze certification
12V maximum output: 33A
Active PFC (full range)
Industry-leading reliability
1+1 redundant configuration
Hot swappable design
Power fa
Dimensions150 mm (W) x 86 mm (H) x 193 mm (D)
Weight4.17 kg
Teža pošiljke5.38 kg
Velikost pošiljke302 × 244 × 216 mm

Vprašanja o tem izdelku

How much 12 V current does the 420 W rating actually deliver to the system?

The +12 V rail is rated for 33 A, which is the practical limit for CPU and GPU power draw from this unit.

What efficiency standard does the 80 PLUS Bronze label guarantee at typical loads?

It certifies at least 80 % efficiency at 20 %, 50 % and 100 % load, so waste heat stays low across the operating range.

Will the 150 mm by 86 mm by 193 mm enclosure fit a standard redundant PSU bay?

Yes, those dimensions match the common 1U redundant form factor used in rackmount server chassis.

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