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Item#: N82E16835233017

XIGMATEK HDT-S1284 120mm Rifle CPU Cooler

  • 800 - 1500 RPM
  • 61.375 CFM
  • Aluminum Alloy
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Xigmatek goes beyond the conventional in their innovative, efficient thermal solutions. Instead of a copper base or bulky heat spreader, the Achilles S1284 is part of their HDT range of coolers. The Heatpipe Direct Touch system is a cutting edge solution for efficient thermal transference directly from the CPU – heatpipes in direct contact with the CPU instead of being buried within a base. These 4 large U-shaped 8mm pure copper sealed tubes contain fluid which moves the heat upward into the array of large-surface area aluminum convection fins.

The fins are cooled by over 61 CFM of cooling air from the 120mm fan spinning on rifle bearings. Even at its maximum 1500 RPM speed, the fan only generates 20.6 dBA of noise. This level can be lowered automatically, based on thermal demand utilizing the PWM functionality. Controlled by the BIOS, the fan's speed is adjusted automatically as the system detects changes in temperature.

The Achiles sits upon vibration-eliminating rubber mounts which isolate any fan vibrations from the motherboard – ensuring quiet operation. A tool-less clip holds the cooler safely in place on any AMD Socket AM2, 754, 939 or 940 processor as well as all Intel Socket 775 CPUs.

  • newegg Superior Heat Dissipation and Cooling Performance Four U-type heatpipes integrated with H.D.T. (Heatpipe Direct Touch) technology and high-density aluminum fins maximize heat transfer and dissipation. Plus a huge 120mm rifle bearing fan runs efficiently to deliver unparalleled cooling performance.
  • newegg PWM Function The PWM function automatically adjusts fan speeds according to the CPU temperature for efficient cooling and minimized fan noise.
  • newegg Easy Installation The XIGMATEK HDT-S1284 features a push-pin/clip application design for easy and quick installation without additional tools or the need to remove the motherboard from your case.
  • newegg Universal Socket Compatibility The XIGMATEK HDT-S1284 features broad compatibility with AMD socket 754, 939, 940, and AM2 platforms, as well as the Intel LGA 775 platform.

Learn more about the XIGMATEK HDT-S1284




Fan & Heatsinks
Fan Size
All Intel Socket 775 CPU
Core 2 Extreme / Quad / Duo
Pentium Extreme Edition / D
Celeron D
All AMD Socket AM2 / 754 / 939 / 940 CPU
Athlon 64 / FX / X2 / Opteron / Sempron
Bearing Type
800 - 1500 RPM
Air Flow
61.375 CFM
Noise Level
20.64 dBA
Power Connector
4 Pin with PWM
Heatsink Material
Aluminum Alloy

Physical Spec

Fan Dimensions
120 x 120 x 25mm


4pcs F8mm high performance U type heat-pipes.
H.D.T. (Heat-pipe direct touch) technology.
Transparent colorful housing and blade.
Nickel Heat-pipe.
4pcs white LED.
Anti-vibration rubber design.
Efficient PWM fan.
Light weight.
Easy installation.

Quick Info

Customer Reviews of the XIGMATEK HDT-S1284

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  • John A.
  • 8/16/2008 9:52:28 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Cooler, Must read.

Pros: This thing does cool my Quad down a lot cooler than my Zalman 9700, and for that matter my other heat sinks i have used. I did lap my S1284 as soon as i got it, also remember to clean the bottom of your heat sinks before you put it on for the first time, it will help drop temps as well. i did buy the bolt through kit as it helps drop temps as well by allowing for a tighter fit onto the cpu. I used 1500 Grit sandpaper, but if you can get a hold of better higher grit sandpaper then use it, the extra heatpipe does help with dispersing heat, and the Quad series is a known heat maker.

Cons: This is huge, and i will not lie, it barely fits into my CM690 case, however using the bolt through kit it is sturdy as hell, and im confident that it will stand true. It dishes out alot of heat with my Scythe Slipstream fan running on it, but that is a good thing, the more heat coming out the less that is on the chip.

Other Thoughts: DFI Blood Iron running a Q6600(Lapped)2.4Ghz stable at 3.7GHz(8x463) Crucial Ballistix 6400, This cooler (also lapped), CM690 case, 2xSeagate 500GB hdd's.

1 out of 2 people found this review helpful. Did you? Yes No

  • Anonymous
  • 8/7/2008 4:19:35 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsQuality heatsink

Pros: Pretty decent heat sink. Pretty easy to install with arctic silver 5 in my Silverstone TJ09 case. Currently OC'ed to 3.5 ghz with my e8500 but I'm going to continue to push it. Idles around 45 degrees Celsius and 100% cpu load for 30 minutes didn't go past 66 degrees Celsius. Although big, it's not that heavy. Stock heat sink would idle around 50-55 and load would be around 75-80, at stock speed too. So a big improvement.

Cons: The instructions suck. At first, I tried to screw on the connectors backwards like a noob and didn't realize it until I couldn't get it on. This thing is also huge so it may not fit in all cases.

Other Thoughts: Although I never had the S1283, I doubt this is much of an improvement, if at all over its brother. Some say it's worse, some say it's better. It just depends on your setup.

0 out of 1 people found this review helpful. Did you? Yes No

  • Colleen R.
  • 8/5/2008 5:19:10 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood cooler, you need to install right!

Pros: Noobies need not apply here, you need alot of thermal compound with this baby! double install - spread compound even apply then remove and add more as needed.

make sure you get TC in the gaps and cracks and enough for a full interface - it requires more then normal. i use atric s!

Cons: well i did not find any - this out performed a few other big names like TR 90 and ZT 120 when install right

Other Thoughts: there is a rumor this baby works ok with 65nm not 45nm - that may be the difference. my testing was with a q6600 65nm. xbt shows says there is an issue with direct contact and 45nm due to gaps in the steal package

1 out of 2 people found this review helpful. Did you? Yes No

  • Anonymous
  • 6/4/2008 4:46:26 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsVery disappointed

Pros: Heard a lot of good things about the company and heat-sink. Just did not deliver

Cons: The push-pin design on the heat-sink was not working at all. my friend and i played around with it for 2 hours and the pins were not working at all. putting the thermal paste on the heat-sink only caused further problems. the stock heat-sink push-pins went on my cpu 1. 2. 3. no problems. DOES NOT FIT IN A MID-SIZE CASE!!! the fan and the heat-sink are too big!!

Other Thoughts: i would highly recommend another heat-sink!!

2 out of 5 people found this review helpful. Did you? Yes No

  • Anonymous
  • 6/4/2008 8:03:14 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsA bit disappointed

Pros: It is a good heatsink, not the best, but good.

Cons: Supposedly an improvement over the S1283, it actually performs worse due to the design of the heatpipes. They're staggered and lose some contact surface area with the CPU. The result is that the S1283 is about 2-3C lower temp than its big brother. There's rumors that they will ship a revised edition which is supposed to fix this issue. If that's the case, Newegg shouldn't be selling these beta products. Also, Xigmatek should include the bolt through kit with their heatsinks, not make it a ten dollar option.

Other Thoughts: Good, not great. Push-pin design. You should wait for the revised edition and see a review on how that one fares.

2 out of 3 people found this review helpful. Did you? Yes No

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