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Blizzard has put numbers on what it took to keep World of Warcraft: Forever upright on launch night. In a post on X from the official World of Warcraft account, the studio listed 3,924 virtual machines, 251,136GB of memory and 70,480 CPU cores behind the new permanent version of Azeroth. IGN reports that the hardware seems to have paid off, calling it the smoothest Blizzard launch its writer has seen in years.

The totals divide neatly. 251,136GB across 3,924 machines works out to exactly 64GB per virtual machine, and the core count averages roughly 18 per machine. Blizzard hasn’t said where the fleet runs, whether the cores are virtual or physical, or if the figures cover every region or a single launch-night snapshot. It also hasn’t given a player count, so the post tells us how much capacity the team provisioned, not how many people used it.

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A smooth launch, by most accounts

According to the report, there were hundreds of characters in the starting zone at 6pm EST, and the servers held pretty well. Even the WoW forums had threads praising it as one of the smoothest WoW launches ever. A WoW streamer Darth Microtransaction, who wrote on X that he saw almost no queue, no disconnects or lag.

Blizzard’s own read is more cautious. WoW executive producer and vice president Holly Longdale said in her own post that the launch was “crazier than the insanity we imagined”, and credited the team’s plans and contingencies for getting through it. That fits the lead-up. Blizzard’s beta response was already the biggest in 17 years, even with the beta capped at level 30 and characters set to be deleted, so the studio had a good reason to over-provision.

The Sam Altman timing

The post also arrives a week after OpenAI chief Sam Altman said on the Cheeky Pint podcast that it’s “quite terrible” for so much of the world’s limited DRAM to sit in people’s own computers. Yahoo Finance dates that episode to 29 October. Tom’s Hardware reports he argued the memory is used about 5% of the time at home, and that data centres make better use of it.

After the backlash, TechRadar reports Altman replied to a user that he wants people “to have so much RAM”. IGN adds that he later said he’d been arguing for years for the world to ramp up memory production. Against that backdrop, Blizzard’s meme is a pointed reminder that a game server is a data-centre workload too. IGN puts it plainly: 251,136GB of RAM is going to an MMO rather than to yet another data centre.

What’s next for Forever

For players, the launch is the start of a long stay. As we covered at announcement, Forever adds a third permanent version of Azeroth alongside Modern and Classic WoW, with more than 1,000 quests and the first new raids planned for 9 December. IGN adds that Blizzard has floated visiting fan-favourite locations from future expansions. Those raids will be the next real test of whether the 3,924 machines have headroom to spare.

How much memory does each World of Warcraft: Forever server have?

Blizzard didn’t give per-server specs. Its totals of 3,924 virtual machines and 251,136GB of memory average out to 64GB per virtual machine, but that’s our arithmetic, not a Blizzard figure.

How many people played World of Warcraft: Forever at launch?

Blizzard hasn’t published a player count or peak concurrency. IGN notes we probably won’t learn the number, and Longdale’s comment only says the launch exceeded what the team had imagined.

Do I need to buy World of Warcraft: Forever separately?

Per our earlier report on Blizzard’s announcement, the base experience is included with an active World of Warcraft subscription or Game Time. Beta access, which has now ended, was tied to the Skyborne Epic Pack and the Warcraft Forever Collection.