第一项始终是图钉的来源。总体可信度是各份资料对上方所用开始和结束时间支持程度的加权平均;资料每比最新的一份旧 180 天,权重减半。
Availability date from Apple's[2] own newsroom announcement (https://www.apple.com/newsroom/2026/08/apple-introduces-new-mac-studio-with-m5-max-and-m5-ultra/): pre-orders from August 25, 2026, and it 'will begin arriving to customers, and in Apple Store locations and Apple Authorized Resellers, starting September 22'. September 22, 2026 is the shipping/on-sale day.
Apple's[1] Mac Studio tech-specs page gives the M5 Max "18-core CPU with 6 super cores and 12 performance cores" at 460GB/s, the M5 Ultra's 30-core CPU and 1.2TB/s bandwidth, the 7.7 x 7.7 x 3.7 inch size and Thunderbolt 5 ports.
MacRumors' 25 August 2026 piece is about the Mac mini; it confirms the Mac Studio was unveiled the same day only in passing ('unveiled alongside a new Mac Studio'), so it dates the unveiling but says nothing else about this product.
Macworld's own coverage of the 2026 Mac Studio M5 Max/Ultra reports the line was announced August 25, 2026 with shipping beginning September 22, 2026 (512GB configs arriving in late October) - later than the pin's stored September 8, 2026 date, consistent with the pin's "unknown" dateConfidence.
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