What is the efficiency rating of this power supply, and how does it affect overall performance?

The power supply has a conversion efficiency of up to 95%.

Is this power supply compatible with all types of GPU cards, or are there specific models it supports best?

The mining power supply is suitable for BTC ETH ETC ZEC ZCASH DGB XMR mining machines and is compatible with specific models such as Antminers S9, L3++, Z9mini, Z9, D9, T9 and other brand mining machines. It supports up to 8 GPUs, but does not specify compatibility with all types of GPU cards.

Questions & Answers: Mining Power Supply 2000W Support 8 GPU Cards for Power Supply PSU (110V-240V), Suitable for BTC ETH ETC ZEC ZCASH DGB XMR Miners (with Power Cord for Power Supply)

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Mining Power Supply 2000W Support 8 GPU Cards for Power Supply PSU (110V-240V), Suitable for BTC ETH ETC ZEC ZCASH DGB XMR Miners (with Power Cord for Power Supply)

[SCOPE OF APPLICATION] The mining machine chassis power supply is suitable for BTC ETH ETC ZEC ZCASH DGB XMR mining machines, compatible with Antminers S9, L3++, Z9mini, Z9, D9, T9 and other brand mining machines
[DEVICE INTERFACE] Interface: 10*6PIN Single unit size: 240mm*110m*60mm, more suitable for Bitcoin mining, supports up to 8 GPUs (not including GPU), suitable for mining machines and other servers.
[ENGEGY SAVING] The power supply has a rated output power of 2000W, a voltage of 110-240V, and a conversion efficiency of up to 95%. The fan speed is up to 1500 rpm, compatible with the balance of quality, efficiency, and stability, pursuing continuous active power output and saving your cost.
[STABLE PERFORMANCE] It has 18 kinds of all-copper output lines and is equipped with multiple power supply protections. When the circuit fails or the internal temperature of the power supply is high, it will automatically shut down to protect the miner.
[NOISE REDUCTION ANDHEAT DISSIPATIO

$268^.99 –