Contents
- 1Introducing the Spire Jewel 350 W (SP-ATX-350WT-PFC)
- 1.1Packaging and accessories
- 2Connectors & cabling
- 2.1Casing & cooling
- 3Input filtering
- 4Primary side
- 4.1+5 V stand-by rail
- 5Secondary side
- 5.1Build quality
- 6Load testing
- 6.1Loading +5 V SB
- 6.2Hold-up time
- 6.3Combined loading
- 6.4Combined loading ripple
- 6.5Crossloading, overloading
- 6.6Crossloading, overloading ripple
- 6.7Fan speed, temperatures and noise
- 7Conclusion and evaluation
- 7.1Thanks
- 7.2Discussion
Connectors & cabling
The cabling only uses 20AWG wires, and some conductors are even thinner (like the PWR On or Power Good), 22AWG. The Main ATX has black sleeving, that is about all you get. Thought the single SATA actually seems to use gold-plated pins.
In total, we have:
- 1× Main ATX (20+4pin): 33 cm
- 1× ATX 12 V (4pin): 32 cm
- 1× SATA: 33 cm
- 4× peripheral molex: 2× 30cm, 2× 46 cm
- 1× Berg for FDD: 62 cm
Casing & cooling
The metal chassis of the SP-ATX-350WT-PFC consists of 0.7mm SECC steel, and it only has the basic grey finish. Spire opted for wire grille which is another evidence it was not the cheapest unit back then.
The backside uses ordinary hexagonal pattern. The perforations cover most of it, they are even under the AC switch. The AC inlet itself uses pins made of a layer of thinner metal folded over and pressed together.
The fan is 12cm with sleeve bearing, that is about all I can tell. I checked the lubrication, there is still plenty of oil in the bearing even after the years.
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