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While playing around with some item builds, I managed to reach a little over 2 attacks per second. This was a huge increase from the 1.10 APS staff I had been using, and a TON of fun. But realizing that I am only level 19 and only half of my slots had attack speed bonuses, I am sure it is possible to reach much higher levels of attack speed.

Is there a maximum attack speed? Or will we see level 60 characters machine-gunning everything in sight (without Rapid Fire)?

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There is no hard cap, but obviously a practical cap based on the base speed of weapons and max values of available IAS bonus.

Fastest base weapon speed: 1.50 (daggers) or 1.60 (1H crossbow)

IAS from 2 rings + amulet: 9 x 3 = 27%

IAS from the weapon: 11% (rare/magic), or 20% (superior quality white items)

6% from legendary items in various slots:

  • Chest: Beckon Sail or Tal Rasha's Guardianship
  • Pants: Inna's Glory
  • Helm: Andariel's Visage or Mempo of Twilight
  • Bracer: Lacuni Prowlers
  • Boots: Boj Anglers

Off-hand: 20% from Dead Man's Legacy for Demon Hunter off-hand

There is also the Shrine of Frenzy which adds a 25% IAS for 2 minutes.

So if you just want the theoretical max weapon speed:

  • Base weapon aps of 1H crossbow: 1.60
  • Bonus for superior item quality: 20%
  • Total bonus from equipment in general: (9 * 3)% + (6 * 5)% = 57%
  • Additional from Dead Man's Legacy for DH: 20%
  • Shrine of Frenzy: 25% (not sure if this is additive with items or multiplicative factor)
  • Focus Mind passive from Enchantress: 3%

Max bonus from items for DH: 57% + 20% = 77%
Max IAS incl shrine = 102% Final weapon speed: (1.60 * 1.20) * 2.02 = 3.8784 aps

I did not include Focus Mind as I don't know how it will apply. This also excludes the effect of skills that add IAS like Barb's Frenzy. (A Barbarian would have to use daggers instead of 1H xbow).

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    actually fastest weapon speed are 1handed crossbows at 1.6 ;)
    – l I
    Jul 20, 2012 at 11:57
  • You are almost there. quivers can have up to 20% attack speed from dead man's legacy
    – l I
    Jul 21, 2012 at 17:23
  • There's also a belt called The Witching Hour (Pre-RoS(Reaper of Souls)) that can roll 9% attack speed, and in RoS a craftable belt Fleeting Strap that can give 5-7% increased attack speed.
    – Bob2Chiv
    Apr 2, 2014 at 4:34
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Cap seems to be 5 attacks per second. Measured with 86% attack and Flying dragon active and the Istvan’s weapon set also. Even by removing 7% attack speed it still says 5 per second, no change. If anyone’s hit 6, I’d like to see.enter image description hereenter image description here

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There is a hard cap at 5.00 attacks per second, nothing I do increases it past there.

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At this point there doesn't appear to be any known hard cap on attack speed. However, theorycrafters have estimated that with all equipment bearing the maximum attack speed bonus, you would max out at 6-7 attacks per second.

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  • this probably should be updated since the max attack speed values have been halved in the IAS nerf
    – l I
    Jul 17, 2012 at 16:57

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