ENP-7660B (Black) is 600W Platinum semi-custom FlexATX power supply from Enhance Electronics. The ENP 7660 is available in US via Velkase (VK model) and UK/EU via Overtek (UK). Note: there are slight variations between the two models including, cable length and available connectors. There is also 400W ENP-7140 (black) available via Overtek (UK)
| ENP7660B-03YGP | SPECIFICATIONS |
| FORM FACTOR | Flex ATX (Standard) |
| CERTIFICATION | 80 Plus Platinum |
| DIMENSIONS | 81.5 x 40.5 x 150mm (W x D x L) |
| RATINGS | 100,000 Hours MTBF at 25°C 600W continues output at 40°C |
| OPERATING TEMPERATURE | 0°C~40°C |
| SAFETY | Over Power Protection (110~130%) Over Voltage Protection Short Circuit Protection Over Temperature Protection |
| FAN SPECIFICATIONS | 40x20mm (ADDA AD0412XB-C51) 70,000 Hours MTBF |
| CONNECTORS | 1x 4+4 PIN EPS (300mm) 2x 6+2 PIN PCIe (300mm) 1x 20+4 PIN (300mm) 2x Molex (150, 300mm) 4x SATA (300, 450, 600, 750mm) |
The ENP-7660B is widely considered to be the best FlexATX power supply for ultra SFF systems builders.
DOCUMENTATION (OFFICIAL)
| ENP-7660 | PDF doc |
| WIRING LOOM | PDF doc |
| FAN TESTING | PDF doc |
TEST SYSTEM
| ENP-7660B | BUILD |
| MOTHERBOARD | GIGABYTE B550I AORUS PRO AX (paid link) |
| CPU | Ryzen 5 5600X (paid link) |
| CPU COOLER | Noctua NH-C14S (paid link) |
| GPU | RTX 3060 Ti (paid link) |
| PSU | ENP-7660B 600W (product link) |
| RAM | Crucial Ballistix 16GB (2x8GB) 3600MHz, CL16 (paid link) |
AVAILABILITY
The ENP 7660B (black) is not readily stocked across the globe. There’s only few retailers that we are aware of. There’s possibly few more around Chinese regions as this is where the power supply is manufactured.
PRICING
We picked up our ENP 7660B unit for £90, which is now priced at £109. The lower initially pricing may be due to early preorder. The £109 pricetag is standard and not an unreasonable price for this type of unit.
WARRANTY
ENP-7660B comes with 1 year manufacturers warranty through Enhance Electronics. Warranty can also vary based on country and/or retailer. Overtek Ltd includes 5 year warranty with their ENP-7660B model. Be sure to check with the point of purchase.
NOISE TESTING & FAN PROFILE
The ENP 7660B is near silent with only the fan motor audible upto 480W. RPM and noise levels will dramatically increase after 480~540~600W, comparatively speaking.
| WATTAGE | FAN RPM | dB(A) at 50CM |
| 50W | 2875 | 32.5 |
| 100W | 2950 | 32.5 |
| 200W | 2980 | 33 |
| 300W | 3030 | 33 |
| 400W | 3090 | 33.5 |
| 500W | 4550 | 35.5 |
| 600W | 8400 | 52 |
CABLES
The PSU features all black, non-modular cables, with the motherboard, CPU and GPU cables being 300mm in length. The VK model from Velkase has shorter cables and less connectors.
SOURCE(S)
Overtek.co.uk, Velkase.com