LS Cable SHS-X500 heatsink/fan

Cooling
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October 15, 2005 by Devon Cooke

Product

LS Cable Smart Heat Spreader SHS-X500 CPU Heatsink for socket 478 / 754 / 939

Manufacturer

LS Cable

MRSP
~US$31

The SHS-X500 is one of a small selection of heatpipe-based heatsinks that are manufactured by LS Cable. As its name indicates, the primary business of LS Cable is manufacturing cables and other electric components. They also sell raw materials. With all these other industrial products, it is a little odd that LS Cable would bother selling retail CPU heatsinks; it is no surprise that the heatsinks are not mentioned on LS Cable's main web site. Instead, they are listed on a different site, called LS Cool.

Until an antitrust lawsuit separated them at the beginning of this year, LS Cable was LG Cable, a division of electronics giant LG. It is almost a year since the separation, but LG's influence is still in evidence. The logo on both the fan and the retail box is LG's iconic smiling face, not the simple text logo that LS Cable has adopted.


Our sample came in a box branded LG Cable — evidence of the corporate history of LS Cable.

The SHS-X500 is a small, lightweight design that is targeted at the mainstream market. It uses a 92mm downward-blowing fan, and a set of 55 copper fins bonded to three heatpipes. It is similar in appearance to ThermalRight's XP-series of heatsinks, but it is made of copper, not aluminum, and has a lower profile. Although North American distribution has yet to be finalized, LS Cable is expecting it to retail at between US$25 and $31. Its competitors will be midrange coolers.


Low profile: The 92x25mm fan is thicker than the bed of fins.

The packaging and contents of the retail box for the X500 is quite spartan. No packing material is included, and the box is only just big enough to fit the heatsink, instruction sheet and the AMD-compatible retention module.

MANUFACTURER'S SPECIFICATIONS

Model: SHS-X500
Dimensions: L120 x W92 x H67mm
Weight: 390g
Noise level: 20~22dB +/- 10%
Rated Fan Speed: 2100 RPM +/- 10%
Air flow: 32 CFM at 2100 RPM
Bearings: 2 Ball Bearing
Life Hours: 50,000 hours
Thermal Resistance: 0.19 (c/W)
Application (Platform): Pentium 4 478, AMD (754, 939)

The claimed specifications are ambitious to the point of being unrealistic. No measurement distance is given for noise level, but it is highly unlikely that any fan produces 20 dBA at one meter while spinning at 2100 RPM. In a similar vein, only the largest, highest performing heatsinks we've seen have managed 0.19 °C/W thermal efficiency.

LS Cable SHS-X500: Feature Highlights (from the LS Cool web site)

Feature & Brief Our Comment

100% Pure Copper Heatsink Fins

55 of them.

Cooling area even cover to Power Management Unit — No separate cooling necessary to cover the Power Management Unit.

This phrase makes more sense when paired with the photo of the heatsink hanging over the VRMs on the motherboard. Because it blows downwards, the X500 helps cool the VRMs on the motherboard.

Total Weight of 380g (including fan weight)

Well within Intel's specified maximum of 450g

Soldering Welding catches Heat Leak

So which is it, soldering or welding? Poor English aside, soldering the fins to the heatpipes should be good for heat transfer, and it is an unusual feature. Most heatpipe-based coolers used press-fitted fins.

Free Replacement of Cooling Fan — Cooling fan may be replaced for tuning purposes

...and what are silencers doing if not "tuning" their PCs? Note that "Free replacement" means the fan can be freely removed, not that they will ship you a free fan.


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