In today’s review I will evaluate a PSU sold only in the Chinese market, for the moment at least, the Segotep PM650 which on its label depicts two model numbers: SG-750P and SG-650P.
The Segotep PM650 is (or will be) included in my best ATX v3.x & PCIe 5.x PSU picks article. Not because it belongs to the best PSUs, of course, but for reference reasons.
A good friend of mine shipped me some PSUs sold in the Chinese market to evaluate and review them. You see, although the Chinese market is enormous, there are only a handful of PSU reviewers. Unfortunately, most people in China are unable to access international sites to read PSU reviews, so they rely on local reviewers, which limits the amount of information they receive about the product(s). Hopefully, our reviews of the local products will reach the Chinese market.
Now that we’ve addressed that, let’s take a look at the Segotep PM650W, which is a particularly unusual PSU, given that I couldn’t find it anywhere outside of China. With a quick look at its label, I realized why.
As you can see in the PSU’s label, it has two model numbers: SG-750P and SG-650P. Apparently, since it couldn’t meet the 80 Plus Platinum requirements, Segotep decided to “downgrade” it to 650W. According to the 80 Plus report, there is another model number: KL-650W. I’m unsure why Segotep has three different model numbers for this specific product, and to make matters worse, the photo in the 80 Plus report differs from the PSU I have in my possession. However, the label above clearly mentions the same model number as in the 80 Plus report (SG-650P). This is a fine example of the loose control that 80 Plus has over its certifications, allowing OEMs and brands to use whatever they want/need on their product labels without incurring the risk of inspection and consequences.
The same PSU is certified by Cybenetics, but it failed to obtain any efficiency certification, primarily because its CPU cable melted.
In the links above, you can compare the respective Cybenetics and 80 Plus reports of the same PSU. It failed the Cybenetics standard, yet it received a Platinum rating at 80 Plus. You can draw your own conclusions, I guess.
Check out our top ATX v3.1 PSU guide before purchasing your next PSU.
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- Manufacturer (OEM): Huizhou Xinggu Technology
- Max Power: 650W
- Cybenetics Efficiency: None
- Noise: [115V] Cybenetics A- (28.91 dB[A]), [230V] Cybenetics A- (29.70 dB[A])
- Compliance: ATX v3.1, EPS 2.92
- Operating Temperature (Continuous Full Load): 0 – 40 °C
- Alternative Low Power Mode support: ✗
- Power 12V combined: 650W
- Number of 12V rails: 1
- Power 5V + 3.3v: 100W
- Power 5VSB: 15W
- Cooling: 120mm Rifle Bearing Fan (DF1202512RFLN)
- Semi-Passive Operation: ✗
- Modular Design: Yes (Fully)
- High Power Connectors: 2x EPS (1x cable), 2x PCIe 6+2 pin (2x cables)
- Peripheral Connectors: 4x SATA (1x cable), 3x 4-pin Molex (1x cable)
- ATX Cable Length: 600mm
- EPS Cable Length: 700mm
- 6+2 pin PCIe Cable Length: 550mm
- Distance between SATA/4-pin Molex: 150mm
- In-cable capacitors: No
- Dimensions (W x H x D): 150 mm x 85 mm x 140mm
- Weight: 1.31 kg (2.89 lb)
- Warranty: 5 Years
- MSRP (excluding VAT): no info
Power Specifications
| Rail | 3.3V | 5V | 12V | 5VSB | -12V | |
| Max. Power | Amps | 18 | 18 | 54.1 | 3 | 0.3 |
| Watts | 100 | 649.2 | 15 | 3.6 | ||
| Total Max. Power (W) | 650 | |||||
