Announcements of new high-performance air CPU coolers tend to get rare these days. On the one hand, many enthusiasts switched to closed loop liquid coolers in the recent years, which is why the market of high-end air coolers shrank. On the other hand, existing models of ‘mega coolers’ are powerful enough for the vast majority of CPUs. Nonetheless, makers known primarily for oversized air coolers continue to perfect their offerings. This week Thermalright introduced its Silver Arrow IB-E Extreme Rev. B giant air cooler that can dissipate up to 320 W of heat.

The Thermalright Silver Arrow IB-E Extreme Rev. B is a giant symmetric twin-tower cooler made of aluminum with a nickel-plated copper base, 2×45 aluminum fins as well as eight U-shaped 6-mm nickel-plated heat pipes. The heatsink measures 155×103×163 mm and weighs 850 grams (100 grams more than the original one). When equipped with two Thermalright’s 140-mm TY-143 PWM fans that spin at up to 2,500 RPM to create a 130 CFM air flow, the weight of the cooling system increases to 1170 grams. Given such weight, the company supplies custom retention plates with the device. (Ian: It still doesn't come close to my 2 kg Thermalright TRUE Copper heatsinks! :D)

The manufacturer claims that the Silver Arrow IB-E Extreme Rev. B has a 44 mm clearance between the base and the fins, which maximizes compatibility with memory modules. Speaking of compatibility, it is necessary to note that the cooler comes with retention plates for AMD’s AM4 as well as Intel’s LGA 775/115x/1366/2011-3/2066 sockets. Essentially, the new version has gained support for HEDT processors that come in Intel’s LGA2066 packaging, something that the previous-gen Silver Arrow IB-E Extreme cooler lacked.

As Thermalright positions its products primarily for performance-minded enthusiasts and overclockers generally not interested in 'extreme' modding, the Silver Arrow IB-E Extreme Rev. B does not feature any RGB lights. It still looks pretty cool with an orange fan.

The Thermalright Silver Arrow IB-E Extreme Rev. B
  General Specifications
CPU Socket AMD: AM4
Intel: 775/115X/1366/2011/-3/2066
Heat Sink Material Dual tower heatsink, 2×45 aluminum fins, 8 heatpipes
Dimensions (heatsink) 155 × 103 × 163 mm
Fan Dimensions 152 × 140 × 26.5 mm
Fan Speed 600 ~ 2,500 RPM +/- 10%
Fan Air Flow 31.4 ~ 130 CFM
Fan Air Pressure 0.32 - 3 mm H20
Fan MTTF ?
Fan Connector 4-pin
Fan Power Consumption 7.2 W
Warranty ?
MSRP $100 (?)

Thermalright did not touch upon pricing of the Silver Arrow IB-E Extreme Rev. B cooling system. Keeping in mind that the new cooler has many similarities with its direct predecessor, it is reasonable to expect it to carry a similar price tag of around $100+.

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Source: Thermalright

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  • npz - Saturday, March 23, 2019 - link

    It would need a duct for that though Reply
  • nevcairiel - Sunday, March 24, 2019 - link

    For cooling performance, using both fans is best. If you want to trade cooling vs noise, then one central fan might be good.

    I know that I've read an article like that, or at the very least saw a YouTube video on it, but I can't remember anymore from which site/channel that was.
    Reply
  • flyingpants265 - Monday, April 01, 2019 - link

    Good question. There are a few articles like that, but nothing comprehensive.

    I am going to guess single fan exhaust would be worst, because it doesn't affect heatsink #1 unless it's ducted. Also has the disadvantage of not cooling any onboard components.

    Single fan center would be 2nd worst, the airflow is too restricted and the deadzone is too high on both heatsinks.

    Single fan front is probably best. 100% unrestricted ambient temp air, deadzone disappears a bit on heatsink 2, turbulence can introduce some fresh air onto heatsink 2. This is why even giant single towers have some gaps and cuts in them, so some of the hot air has a chance to escape before hitting the rest of the heatsink.

    These results will depend heavily on casefan setup, also.
    Reply
  • XelaChang - Friday, March 22, 2019 - link

    Have been using Silver Arrow (not the extreme version) on a 3770K @ 4.5 since 2013. Handles hours of rendering with no problems. Reply
  • FXi - Friday, March 22, 2019 - link

    Still have a True Copper on a shelf just to look at. TR makes some fantastic coolers. Reply
  • sonny73n - Saturday, March 23, 2019 - link

    Add some more fins, It’ll be called Super Extreme. Together with one more heat pipe -> Ultra Super Extreme, one more fan -> Wonder Ultra Super Extreme, some colorful LED -> WUSE Mark II.

    It’s about time they admit that they’ve been stuck with a same old design for the last few decades and incapable of creating a new one.
    Reply
  • XelaChang - Saturday, March 23, 2019 - link

    A new design for the sake of a new design? You love marketing gimmicks, don't you?

    This one still does a perfect job and has good looks.
    Reply
  • flyingpants265 - Sunday, March 31, 2019 - link

    There may be something else they can do, besides just making it bigger. Reply
  • flyingpants265 - Monday, April 01, 2019 - link

    Best overall heatsink design would probably be:
    -heatpiped to the back of the case, this is the design we are missing, so the heat is exhausted out instead of raising ambient temp by 1-5 degrees and requiring a second exhaust fan, haha!
    -partially-ducted heatsink to seal in some of the airflow, but not all
    -fan with no deadzone, tip-driven or pulled-back motor
    -fan with no connecting rods (arctic cooling-style)
    -maybe thicker, like 38mm
    -mounted with slight spacer for maximum airflow and contact.

    Also, a 6x120mm version heatpiped to the top of the case. I.e, around 3 of these, but slightly smaller. Max cooling capacity would be what... 750W? more? No need for leaky AIOs with failing pumps.
    Reply
  • Soulkeeper - Saturday, March 23, 2019 - link

    I've always liked thermalright.
    Too bad this wasn't out a year ago, I'd have gotten it instead of noctua.
    Reply

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