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Black rectangular ATX power supply unit with a 120 mm fan grille and modular cable sockets

Silverstone

Silverstone DA750R-GMA 750 W ATX 3.0 full modular gold power supply

SKU CH-GXS7-E2AA8 MPN DA750R-GMA

A 750 W ATX 3.0 fully modular unit with 80 PLUS Gold efficiency, a single 12 V rail and a 120 mm fan in a 140 mm deep chassis

  • Max wattage750 W
  • Modular cablingFull Modular
  • Fan configuration1 × 120 mm
  • Power factor correctionActive PFC (PF>0.9 at full load)
  • Main power connector20+4Pin
  • 12V railsSingle
  • ATX 3.0 ready for modern GPU builds
  • Full modular cabling keeps the case tidy
  • 80 PLUS Gold efficiency cuts waste heat
  • Single 12 V rail delivers 62.5 A for stable power
  • 100 000 hour MTBF signals long service life

Ready for modern builds

The Silverstone DA750R-GMA is a 750 W ATX 3.0 compatible unit built for systems that demand clean, efficient power. It suits gaming rigs and workstations needing reliable delivery across a single +12 V rail.

Full modular black chassis

A 120 mm fan cools the 150 x 86 x 140 mm black housing while Active PFC keeps the power factor above .9 at full load. Full modular cabling lets you connect only the 24-pin, two 4+4-pin CPU, 12V-2x6, two 6+2-pin PCIe, SATA and peripheral leads you actually need.

80 PLUS Gold efficiency

The supply meets 80 PLUS Gold certification across the 99 to 264 V input range at 47 to 63 Hz. A 100,000 hour MTBF and a full set of protections — over current, over power, over voltage, short circuit, over temperature and under voltage — back long-term operation.

How it compares

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

Price $93.99
Cheaper than about 70% of the 10,869 comparable items (median $142.99).
Max wattage 750 W
Lower than about 60% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameSilverStone
Model nameDA750R-GMA
Product colorBlack
Product typeATX 3.0 Compatible
Ports & slots
Output type20A@+3.3 V, 20A@+5 V, 62.5A@+12 V, 3A@+5VSB, 0.3A@-12 V
Connection types1 × 24 / 20-Pin motherboard connector
2 × 8 / 4-Pin EPS / ATX 12 V connector
4 × 8 / 6-Pin PCIe connectors
1 × 12 V-2 × 6 connector
8 x SATA connectors
4 × 4-Pin Peripheral connector
Power
Max wattage750 W
Modular cablingFull Modular
Power factor correctionActive PFC (PF>0.9 at full load)
Main power connector20+4Pin
12V railsSingle
Efficiency certification80 PLUS GOLD Certified
Built-in protectionOver Current Protection
Over Power Protection
Over Voltage Protection
Short Circuit Protection
Over Temperature Protection
Under Voltage Protection
Supply voltage99–264 V
AC input frequency47–63 Hz
Size & build
Product dimensions150 × 86 × 140 mm
Product weight4.59 lb (2.08 kg)
Shipping weight2.72 kg
Package size279 × 203 × 127 mm
Compatibility
PSU length limit140 mm
More details
Fan configuration1 × 120 mm
Mean time between failures100,000 h

Questions about this item

What does the ATX 3.0 12V-2x6 connector on this 750 W unit actually support?

The 12V-2x6 connector is included for ATX 3.0 compatibility and connects to modern PCIe 5.0 graphics cards using the single supplied cable.

Will the 140 mm depth and 150 mm width fit a standard ATX case?

The PSU measures 150 x 86 x 140 mm so it matches the standard ATX footprint; verify your case allows at least 140 mm clear depth.

How do I install the fully modular cables without missing a connection?

Plug only the cables you need into the labelled ports on the PSU — 24-pin motherboard, two 4+4-pin CPU, one 12V-2x6, two 6+2-pin PCIe, SATA and peripheral — then route to components.

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