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BENCH TOP PC COMPUTER POWER SUPPLY ADAPTER 12V 5A 5v 2A 60 WATTS MOLEX

Brand: WHOLESALELAPTOPBATTERY TM*

4 ratings

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12V @ 5A And 5V @ 2A 60Watts
The Voltage On This Unit Is Dual Out Put
Portable Bench Top Pc Power Supply By Wholesalelaptopbattery
Ac Power Cord Included
1 Year Wholesalelaptopbattery Easy Replacement Warranty

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Product information

ASIN

B0013OJOE0

Customer Reviews

4 ratings

5.0 out of 5 stars

Date First Available

March 26, 2010

Manufacturer

WHOLESALELAPTOPBATTERY TM*

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Metalcastr

Great for fan testing

Reviewed in the United States on June 25, 2010

Verified Purchase

I bought this so I can test 12 volt PC fans without lugging around my large 12 volt 10 amp power supply. It works great for this purpose, and you can use it to test various PC disk drives like a hard disk or a DVD drive, although for modern drives you may need a Molex to SATA power adapter. I tested this with a 12 volt 3-speed 120mm PC fan and read 12.54 volts on low and 12.47 volts on high with a digital multimeter. The 5 volt side produces 5.3 volts with a light load on the 12v side (I do not have any 5v drives/devices to test at the moment). The plastic case seems sturdy. The Molex end is very tight though.

Overall a nice power supply for testing PC fans.

One person found this helpful

Helpful

Robert Kosinski

Does what it says

Reviewed in the United States on April 26, 2010

Verified Purchase

Most 12v/5v power supplies carry a maximum of 2 amps on the 12 volt side. This is more than enough to power virtually any modern hard drive during its steady state operation, but some require more than that to spin up. If you use with any frequency the USB hard drive adapters meant to accompany this product, then you'll eventually encounter such a case, which is evidenced by a disturbing clicking noise not dissimilar from a truly finished hard drive. This 5A power supply is the only one I found that carries more than 2 amps on the 12V side, which is more than enough to handle your run-of-the-mill consumer level device. Now whether it'll power on a five platter Barracuda...you're on your own with that.

Consider the five star rating provisional. If it continues to work as-is then the rating stands. However, these things tend to start failing after a year or two, which isn't surprising due to their ordinarily cheap construction. This one seems sturdier than average, however, both in weight and quality of plastic casing. I've opened packages where the "clam shell" casing had detached during shipping or warehousing, though actually seeing what goes on electronically in modern power supplies is far more worrisome than whatever happens with the cosmetic housing. The included power cord is of the thicker variety usually seen with PCs rather than the thinner, cheaper kind usually shipped with these. Also included is a velcro strap, which is a nice touch. The informational sticker includes the distributor's website, which could come in handy if you forgot where it came from or it gets delisted from Amazon.

Note that like most (all?) of these, this power adapter lacks a 3.3V line, but I've never seen a case where it was necessary. If you somehow do need this or just don't want to be bothered purchasing something like this, a regular old PC power supply will naturally power the hard drive, but, unfortunately, this means soldering or splicing a power switch or "hotwiring" an ATX supply, but, if you can find one, AT supplies have the switch built in. What you gain in budget and/or ingenuity you'll lose in portability, aesthetics, power consumption, and noise level, however.

Given that this particular supply seems to offer a premium at virtually the same price others are sold, this purchase seems like a no-brainer. The downside, however, is that you've probably doubled your cost for the function and now have an extra brick lying around. Personally, I use the old supply to power a drive with known low power consumption. It functions as a "bare" fixed file repository accessed via ESATA -> SATA cable. Enclosures just add heat and don't do anything meaningful to absorb shock, so why not?

Unfortunately, I have not found a reliable method to anticipate which hard drives require more than 2A current. Many three platter drives power on fine within the limit, but I have a single platter drive that does not. While SATA drives supposedly consume less power than their IDE ancestors, this doesn't seem to offer any guarantees. The ratings manufacturers publish refer to steady state operation, not spin up. Off the record, in limited testing, Seagate seems to have the most difficulty spinning up, but I have a disproportionate number of Seagate drives in my sample set so that skews my observation. Western Digital Green drives seem best of breed in this regard. The intarwebs say it can accomplish spin up with a mere 1.8 amps, which is nearly an entire amp less than the average, which seems to be in the 2.4-2.8 range.

3 people found this helpful

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Kindle Customer

Worked great

Reviewed in the United States on December 14, 2010

Verified Purchase

I am using this as a power supply for an external bare hard drive and a fan. It has worked perfectly for two months now. I like that it supplies both 5 and 12 Volts, and the current rating is higher than most others of this type, which will allow me to drive multiple items with a single supply.

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