Blizzard has revealed the massive computing infrastructure powering the launch of World of Warcraft: Forever, with the game running on 3,924 virtual machines, 251,136 GB of memory, and 70,480 CPU cores. The official World of Warcraft account shared the figures on X on November 5, a day after the game's global launch.
The enormous hardware allocation appears to have paid off, with players reporting a remarkably smooth launch despite heavy activity across the game's servers.
In its post on X, Blizzard shared the infrastructure numbers alongside a playful caption: "Slaps Roof of WoW: Forever. This baby is running on: 3,924 Virtual Machines, 251,136 GB of Memory, 70,480 CPU Cores."
The 251,136 GB of memory works out to approximately 251 TB. Dividing the total memory across 3,924 virtual machines gives an average of 64GB per machine. The CPU count averages roughly 18 cores per virtual machine.
However, Blizzard has not clarified whether the CPU cores are physical or virtual, where the infrastructure is hosted, or whether the figures cover every region. The company has also not disclosed the game's peak concurrent player count.
The substantial computing resources appear to have helped Blizzard manage the launch-night rush. According to IGN, hundreds of characters were in the starting zone at 6 pm EST, and the servers handled the activity without major disruptions.
WoW streamer Darth Microtransaction also praised the launch on X, reporting almost no queues, disconnections, or lag.
World of Warcraft executive producer and vice president Holly Longdale acknowledged the scale of the launch, saying it was "crazier than the insanity we imagined". She credited the development team's preparations and contingency plans for managing the rush.
The game's beta had already recorded the biggest response in 17 years, giving Blizzard a reason to provision additional server capacity.
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Blizzard's announcement also comes a week after OpenAI CEO Sam Altman criticized the use of limited global DRAM supplies in personal computers during an appearance on the Cheeky Pint podcast.
Altman described it as ‘quite terrible’ that large amounts of memory remain in personal computers when they are used only around 5% of the time. His comments triggered criticism from PC users, although he later clarified that he wanted the world to increase memory production.
The new permanent version of Azeroth launched on November 4, offering more than 1,000 quests across the level 1-60 journey. Blizzard has also planned its first new raids for December 9.
Those upcoming raids will further test whether the infrastructure can handle the game's growing player activity.