Can this power supply handle continuous 24/7 operation, and what is its efficiency rating?

This power supply is 80 Plus Platinum Certified, which means it can deliver up to 95% efficiency.

Is this power supply compatible with both 6 and 8 GPU setups, and does it come with all necessary cables for installation?

This power supply supports 6/8 GPU setups and comes with the necessary cables including 1*24pin, 1*8pin cpu, 5*IDE, 6*SATA, and 16*8(6+2)pin.

Questions & Answers: HaoJieHan BTC Modular Mining Power Supply,2000W Professional Mining Rig System Power Supply, Support 6/8 GPU PSU ETH Rig Ethereum Mine for Bitcoin Mining

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HaoJieHan BTC Modular Mining Power Supply,2000W Professional Mining Rig System Power Supply, Support 6/8 GPU PSU ETH Rig Ethereum Mine for Bitcoin Mining

[80 Plus Platinum Certified ]Deliver up to 95% efficiency and reduce operating cost,Support INTEL and AMD quad-core CPU independent graphics card
[Mining Machine Structure]This mining power supply has a built-in fan with good heat dissipation, and also comes with cables: 1*24pin, 1*8pin cpu, 5*IDE, 6*SATA, 16*8(6+2)pin. Better for GPU mining, Fit for Miner and other Server.
[Safety]Each product is rigorously tested before shipment , and has passed CE/FCC certification, and has a stable output voltage, providing multiple protections against short circuit, overload, overheating, low voltage, etc.
[140mm Dual Ball Bearing Fan]Providing maximum airflow and near-silent operation;Universal AC Input Design - Stable enough for 180-264V voltage input available
[After Sales Service]30 day money back guarantee, 3 months warranty service. If you have any questions, please contact us and we will be happy to assist you!

$294^.89 –