This article covers EVGA SuperNOVA 1000G2 1000W ATX12V.

Overview

The EVGA SuperNOVA 1000G2 1000W 80 Plus Gold power supply (model 120-G2-1000-XR) has long been a go-to choice for PC builders seeking reliable high-wattage power. Rated for 1000W continuous output and carrying 80 PLUS Gold certification, it delivers efficient and stable power for demanding systems. This particular unit is sold as a parallel import in Japan, meaning it comes with the same hardware as the official version but often at a more attractive price point. Internally, the SuperNOVA 1000G2 features a single +12V rail design, fully modular cabling, and high-quality Japanese 105??C capacitors. A 135mm fluid dynamic bearing fan runs in semi-passive mode, staying completely silent under light loads. The unit also packs a full suite of protections: OVP, UVP, OCP, OPP, and SCP. Positioned as a mid-high range PSU at launch, the SuperNOVA 1000G2 still holds up well today. Its 10-year warranty (though typically not honored for parallel imports) reflects the confidence EVGA had in this design. For users who don't need ATX 3.0 or the 12VHPWR connector, this PSU offers exceptional value, especially on the used or clearance market.

Compatibility Guide

Form factor: Standard ATX (depth approx. 180mm). Fits most mid-tower and full-tower cases; check clearance in compact builds. Connectors: 24-pin ATX, dual 4+4-pin EPS12V, six 6+2-pin PCIe cables (three cables with two connectors each), nine SATA power, and six peripheral 4-pin. Fully modular design allows you to use only needed cables. Platform compatibility: Meets Intel ATX12V and EPS12V standards. Works with both AMD and Intel motherboards. Important note: As a parallel import, no Japanese AC power cord is included. You'll need to supply your own (C13 type, rated for local voltage).

Product Info

The EVGA SuperNOVA 1000G2 launched around 2015 and quickly became a community favorite. It originally carried a 10-year warranty, though parallel imports typically lose that coverage. The unit is available through various online importers and auction sites. Market position: mid-high end. With 80 PLUS Gold efficiency, fully modular cables, Japanese capacitors, and semi-passive fan operation, it competes well with modern PSUs in its class. However, it lacks ATX 3.0 support and 12VHPWR connector, so it's best suited for users who don't need the latest GPU power delivery standard. Key specs: Rated output: 1000W continuous Efficiency: 80 PLUS Gold (115V) Cooling: 135mm FDB fan, semi-passive mode Protections: OVP, UVP, OCP, OPP, SCP * Warranty: Officially 10 years (not applicable for parallel imports)

Best Use Cases

High-end gaming PC builder ① User wants a 1000W PSU for an RTX 3080/3090 or RX 6800 XT system. ② Full modular cabling simplifies building and airflow. ③ Not ideal for RTX 4090 without adapter cables; modern ATX 3.0 PSUs are more convenient. Stability-focused long-term user ① Japanese capacitors and proven design provide peace of mind for 24/7 operation. ② Suitable for workstation or server builds where uptime matters. ③ If you need official warranty support, buy a retail unit with local distributor backing. * Budget-conscious builder ① Parallel import pricing can be significantly lower than retail 1000W units. ② Good choice for users who accept older connector standards in exchange for lower cost. ③ Not recommended if you plan to upgrade to next-gen high-power GPUs in the next 2-3 years.

Things to Consider

The biggest caveat with this parallel import unit is the lack of official EVGA warranty and support in Japan. Additionally, the PSU does not include a Japanese AC power cable, so you must source one yourself. Connector-wise, the absence of a 12VHPWR (PCIe 5.0) connector means that modern high-end GPUs like the RTX 4090 require a bulky adapter that uses four 6+2-pin cables. Cable management becomes more challenging. Competitors such as the Seasonic Focus GX-1000 and Corsair RM1000x offer native 12VHPWR support on newer revisions. That said, for builds using GPUs that don't need 12VHPWR, or for those willing to use adapters, the SuperNOVA 1000G2 remains a rock-solid performer. Its efficiency, ripple control, and build quality are still competitive today. ## FAQ
Q: Can I use this PSU with an RTX 4090? A: Yes, but you must use the NVIDIA supplied adapter that converts four 6+2-pin PCIe connectors into one 12VHPWR. This makes cable routing more complex, but it works. Be sure your case has enough clearance for the extra cables. Q: Is it compatible with ATX 3.0? A: No, this is an ATX 2.52 compliant unit. ATX 3.0 features like native 12VHPWR and higher transient load capability are not present. For current hardware, this is not a problem, but future high-end GPUs may benefit from ATX 3.0. Q: What warranty do I get with a parallel import? A: Typically only the store's return policy. EVGA's official warranty applies to units sold through authorized channels with valid serial numbers. Par

Product Disclosure (Amazon)

  • Manufacturer: EVGA
  • Seller: SAKURA IMPORT
  • Fulfilled by: SAKURA IMPORT
  • ASIN: B00CGYCNG2
  • Note: This article covers a manufacturer-made product based on Amazon listing details.