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Silver rectangular 2U server PSU with pull-out handle and 40mm fans

Silverstone

Silverstone GM1000-2UG-V2 1000W 2U redundant server power supply

SKU CH-HSBK-47VE7 MPN GM1000-2UG-V2

A 1000W 2U redundant server power supply with 80 PLUS Gold efficiency, active PFC and a single +12V rail delivering 83A

  • TypeRedundant Power Supply
  • Single/RedundantRedundant
  • Form Factor1+1 2U redundant form factor
  • Maximum Power1000W
  • Fans40mm PWM fans
  • Main Connector20+4Pin
  • 1000W redundant design keeps systems running during module failure
  • 80 PLUS Gold efficiency cuts waste heat and electricity cost
  • Single +12V rail delivers 83A for high-end components
  • 40mm PWM fans limit noise to 62.5 dBA maximum
  • All Japanese electrolytic capacitors support 100,000-hour MTBF

Redundant 2U server supply

The Silverstone GM1000-2UG-V2 is a 1000W redundant power supply built for 2U rackmount servers. It fits a 1+1 hot-swap chassis and accepts 90 to 264 V input at 47 to 63 Hz. Active PFC keeps the power factor above .9 at full load. The unit is designed for data-centre and enterprise deployments needing continuous uptime.

Sustained-load behaviour

Four 40mm PWM fans cool the module, with noise reaching 62.5 dBA at maximum output. The single +12V rail delivers up to 83A, while +3.3V and +5V rails provide 25A each. Cybenetics Gold certification guarantees overall efficiency between 87% and 89% across the load range. MTBF exceeds 100,000 hours, and Japanese electrolytic capacitors support long-term reliability under constant demand.

Deciding specification

The 1+1 2U redundant form factor determines whether this unit fits your rack. It supplies 24-pin ATX, two 8-pin EPS, two 6+2-pin PCIe, six SATA, nine peripheral and one floppy connector. Protection circuits cover over-current, over-voltage, short-circuit and over-temperature events. A pull-out handle eases module replacement during service windows.

Highlights

  • 1000W redundant design keeps systems running during module failure
  • 80 PLUS Gold efficiency cuts waste heat and electricity cost
  • Single +12V rail delivers 83A for high-end components
  • 40mm PWM fans limit noise to 62.5 dBA maximum
  • All Japanese electrolytic capacitors support 100,000-hour MTBF

Specifications

BrandSilverStone
ModelGM1000-2UG-V2
TypeRedundant Power Supply
Single/RedundantRedundant
Form Factor1+1 2U redundant form factor
Maximum Power1000W
Fans40mm PWM fans
Main Connector20+4Pin
Output Current25A@+3.3V, 25A@+5V, 83A@+12V, 3.5A@+5VSB, 0.8A@-12V
Input Voltage90 - 264 V
Input Frequency Range47 - 63 Hz
+12V RailsSingle
PFCActive PFC (PF>0.9 at full load)
MTBF>100,000 Hours
Energy-Efficient80 PLUS GOLD Certified
Efficiency>=87% & <89% overall efficiency with single modular power supply
PSU Noise Level62.5 dBA maximum
ProtectionOver Current Protection
Over Voltage Protection
Short Circuit Protection
Over Temperature Protection
Connectors1 x 24 / 20-Pin motherboard connector
2 x 8 / 4-Pin EPS / ATX 12V connectors
2 x 8 / 6-Pin PCIe connectors
6 x SATA connectors
9 x 4-Pin Peripheral connectors
1 x 4-Pin Floppy connector
1 x 2-Pin TTL connector
1 x 2-Pin PW1 connector
1 x 2-Pin PW2 connector
1 x PM Bus connector
Cable Spec1 x MB 24/20pin cable
2 x CPU 4+4pin cable
2 x PCI-E 6+2pin cable
1 x Cable (3 x Peripheral 4pin connector + 1 x 4pin Floppy connector per cable)
2 x Cable (3 x Peripheral 4pin connector per cable)
2 x SATA Cable (3 connector per cable)
1 x PMBUS cable
1 x 2-pin Total PFD cable
1 x 2-pin PW1 cable
1 x 2-pin PW2 cable
Dimensions102 x 82 x 231 mm (Housing with bracket, without handle)
84 x 82 x 217 mm (Housing without bracket)
78 x 39 x 190 mm (Module only without handle)
Weight6.97 lbs.
TemperatureOperating temperature 0°C ~ 45°C
Shipping weight4.08 kg
Package size406 × 203 × 152 mm

Questions about this item

How loud are the 40mm PWM fans when the 1000W unit runs continuously at full load?

The PSU noise level is rated at 62.5 dBA maximum, so the fans stay within that limit even under sustained 1000W output.

Which motherboard and CPU power connectors must my board provide for the 20+4Pin main and dual 8/4-Pin EPS cables?

You need a 24-pin or 20-pin ATX socket plus two 8-pin or 4-pin EPS12V headers; the cables split to fit either.

Will the single +12V rail delivering 83A work with older drives that still rely on the 3.3V and 5V rails?

Yes, the unit supplies 25A on both +3.3V and +5V rails alongside the 83A +12V rail, matching legacy peripheral requirements.

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