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Silverstone GM800-2UG-V2 redundant server PSU, 2U form factor with pull-out handles, matte metal finish

Silverstone

Silverstone GM800-2UG-V2 800W redundant server power supply

SKU CH-HQXX-7CRB4 MPN GM800-2UG-V2

Hot-swap redundant 800W 2U unit with 80 PLUS Gold efficiency and single +12V rail

  • Max wattage800 W
  • Form factor1+1 2U redundant form factor
  • Power efficiency>=87% & <89% overall efficiency with single modular power su
  • Power supply redundancyRedundant
  • Fan configuration40 mm PWM fans
  • Main power connector20+4Pin
  • 800 W redundant design keeps servers running if one module fails
  • 80 PLUS Gold certified efficiency above 87 % cuts power waste and heat
  • Single +12 V rail delivers 66.5 A for stable high-load performance
  • 40 mm PWM fans limit noise to 62.5 dBA maximum
  • Active PFC with power factor above 0.9 reduces harmonic distortion

800W 2U redundant server supply

The Silverstone GM800-2UG-V2 is an 800W redundant power supply built to the 2U 1+1 form factor. It delivers a single +12V rail rated at 66.5A and carries 80 PLUS Gold certification with overall efficiency between 87 and 89 percent. Active PFC maintains a power factor above 0.9 at full load across a 90 to 264V input range. All Japanese electrolytic capacitors and a MTBF exceeding 100,000 hours support continuous server operation.

Suited for dual-module chassis needing hot-swap

This unit fits 2U rackmount enclosures that accept a 1+1 redundant module measuring 84mm wide by 82mm high by 217mm deep. Four 40mm PWM fans provide cooling at up to 62.5 dBA maximum noise. Builders who require a single non-redundant supply or a different form factor such as ATX or 1U should look at other designs.

Integrates with standard server backplanes via

The package includes a 24/20-pin motherboard cable, two CPU 4+4-pin cables, two PCIe 6+2-pin cables, two SATA cables each with three connectors, and peripheral cables covering nine 4-pin and one floppy connector. A 2-pin TTL connector enables module status monitoring. The pull-out handle bars simplify hot-swap replacement without tools.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $590.99
Pricier than about 90% of the 3,798 comparable items (median $131.99).
Max wattage 800 W
Higher than about 70% of the 235 comparable items (median 668 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
Model nameGM800-2UG-V2
Product typeRedundant Power Supply
Ports & slots
Connection types1 × 24 / 20-Pin motherboard connector
2 × 8 / 4-Pin EPS / ATX 12 V connectors
2 × 8 / 6-Pin PCIe connectors
6 x SATA connectors
9 × 4-Pin Peripheral connectors
1 × 4-Pin Floppy connector
1 × 2-Pin TTL connector
1 × 2-Pin PW1 connector
1 × 2-Pin PW2 connector
1 x PM Bus connector
Power
Max wattage800 W
Power efficiency>=87% & <89% overall efficiency with single modular power supply
Power supply redundancyRedundant
Main power connector20+4Pin
Output current25A@+3.3 V, 25A@+5 V, 66.5A@+12 V, 3.5A@+5VSB, 0.8A@-12 V
Supply voltage90–264 V
AC input frequency47–63 Hz
12V railsSingle
Power factor correctionActive PFC (PF>0.9 at full load)
Efficiency certification80 PLUS GOLD Certified
Built-in protectionOver Current Protection
Over Voltage Protection
Short Circuit Protection
Over Temperature Protection
Size & build
Form factor1+1 2U redundant form factor
Product dimensions102 × 82 × 231 mm (Housing with bracket, without handle)
84 × 82 × 217 mm (Housing without bracket)
78 × 39 × 190 mm (Module only without handle)
Product weight6.97 lb (3.16 kg)
Shipping weight4.08 kg
Package size406 × 203 × 152 mm
Environment & compliance
PSU noise rating62.5 dBA maximum
Temperature rangeOperating temperature 0 °C to 45 °C
More details
Fan configuration40 mm PWM fans
Mean time between failures>100,000 h

Questions about this item

Does my chassis support the 1+1 2U redundant form factor measuring 84mm(W) x 82mm(H) x 217mm(D)?

The unit fits a 1+1 2U redundant form factor measuring 84mm(W) x 82mm(H) x 217mm(D), so your chassis must accept those exact dimensions and the pull-out handle bars.

Will the single +12V rail delivering 66.5A@+12V work with my existing EPS and PCIe cables?

Two 8/4-pin EPS connectors and two 8/6-pin PCIe connectors are included, all fed by the single +12V rail rated at 66.5A, so legacy EPS and PCIe devices can draw from the same rail.

How can I confirm the 80 PLUS GOLD and Cybenetics Gold efficiency after installation?

Monitor input versus output power at typical loads; the supply is rated >=87% & <89% overall efficiency with active PFC (PF>.9 at full load), matching both Gold certifications.

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