nPower’s Tower tests out as a very good heatsink.
The good guys at nPowertek were nice enough to send a sample of their NPH 775-115 HC heatsink. This is a tower style heatsink with aluminum fins and a copper heatpipe core.
Key Features
- Aluminum fin construction with copper core heatpipe
- Footprint 124 x 127 x 95mm
- 92 mm Fan, speed 3000 rpm
- Weight ~680 grams
- Supports all Intel® Socket LGA 775 CPU
The base is the bottom of the heatpipe core and appears well finished:
Mounting requires removing the motherboard from the case to secure the heatsink to the back mounting plate.
The NPH 775-115 was tested on an Asus P5WD2 motherboard with a modified Pentium D 805 to read CPU case temps while running Prime 95.
| Heatsink | Case Temp | Ambient Temp | C/W | On-Die Temp¹ |
| NPH 775-115, 2922 rpm, 53 dBA² | 42.6 | 24.4 | 0.19 | 54 |
¹On-die temperatures.
²50 dBA measured 8″ from the fan intake corresponds to about 30 dBA measured 3 feet from the fan, a very quiet noise level.
Performance was quite good and ranked in the upper third of heatsinks tested to date HERE – it should be suitable for mildly aggressive cooling with low fan noise.
Thanks again to nPowertek for sending this our way to test out.
Disclosure: Joe Citarella has a financial interest in a company developing products for electronic chip cooling.
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