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Black rectangular ATX power supply unit with single fan and fixed cables

Taifast

Taifast 800w 800 W 80 PLUS ATX 12V v2.3 Power Supply

SKU CH-NS42-K91M6 MPN 800w

800 W ATX 12V v2.3 unit with 80 PLUS certification, dual 12 V rails and four PCIe 6+2 pin connectors for SLI or CrossFire builds

  • Max wattage1000 W
  • Power efficiency> 80%
  • Modular cablingNo
  • Fan configuration1
  • Power factor correctionActive
  • Main power connector20+4 Pin
  • 80 PLUS certified efficiency reduces energy waste
  • 800 W continuous output with 1000 W peak handles demanding builds
  • Active PFC corrects power factor for stable delivery
  • Dual 12 V rails with four 6+2 pin PCIe connectors support SLI and CrossFire
  • 115 V or 230 V auto-range input works worldwide

Power rating and continuous output

This power supply is rated for 800 W continuous power with a 1000 W maximum peak. It follows the ATX 12V v2.3 and EPS 12V standards and carries 80 PLUS certification for efficiency above 80 percent. Active PFC corrects the power factor across a 115 V or 230 V input range. A single fan provides cooling while keeping noise low.

Multi-GPU builders versus modular-cable preference

The unit includes four 6+2 pin PCI-Express connectors and is SLI certified, making it suitable for systems with multiple graphics cards. It also supplies a 20+4 pin ATX connector, two +12 V rails and full voltage coverage from 110 V to 240 V. Builders who want detachable cables for easier cable management should consider a modular design instead.

Non-modular cabling as the deciding factor

All cables are fixed to the unit, so every connector occupies space inside the case whether it is used or not. This affects airflow and tidiness in compact builds. If a fully modular or semi-modular layout is required for the build, this model will not meet that need.

How it compares

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

Price $63.99
Cheaper than about 83% of the 10,869 comparable items (median $142.99).
Max wattage 1000 W
Higher than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameTaifast
Model name800w
Product colorBlack
Product typeATX 12 V v2.3 / EPS 12 V
Performance
Frequency50/60 Hz
Graphics
SLI supportCertified
CrossFire supportCertified
Ports & slots
PCIe power connectors4 × 6+2 Pin
Connection types1 × 24 pin (20+4) ATX
12V power connector1 × 4+4 Pin ATX/EPS 12 V, 1 × 8 Pin EPS 12 V
SATA power connectors4
Peripheral connector2
Power
Max wattage1000 W
Power efficiency> 80%
Modular cablingNo
Power factor correctionActive
Main power connector20+4 Pin
12V rails2
Efficiency certification80 PLUS Certified
Overvoltage protectionYes
Overload protectionYes
Supply voltage115 / 230 V
AC input frequency50/60 Hz
Rated input current10A @ 115 V, 6A @ 230 V
Rated power800 W
Peak wattage1000 W
+3.3V max. current16A
+5V max. current20A
+12V1 max. current61A
-12V max. current0.5A
+5VSB max. current2.5A
Under voltage protectionYes
Over current protectionYes
Over power protectionYes
Size & build
Top fans size120 mm
In the box
Fans total quantity1
Environment & compliance
Over temperature protectionYes
More details
Fan configuration1
Top fans bearing typeSleeve
Over load protectionYes
Short circuit protectionYes

Questions about this item

Will this unit fit a standard ATX case and deliver 800 W continuously?

Yes, it follows the ATX 12V v2.3 form factor and is rated for 800 W continuous output with a 1000 W peak.

Does the PSU include enough PCIe connectors for a dual-GPU SLI or CrossFire build?

It provides four 6+2-pin PCIe connectors and carries SLI certification for multi-GPU setups.

Can I use it worldwide without a voltage switch?

The active PFC design accepts 110–240 V at 50/60 Hz automatically, so no manual selector is needed.

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