Supermicro $SMCI CEO Charles Liang posted to Elon Musk and SpaceXAI today, with thanks to Nvidia $NVDA for the GB300.
Charles Liang, CEO, Supermicro: "we are moving full speed ahead with DCBBS to make your TTO goal a reality!"
TTO is time to online, the gap between racks arriving and racks running. DCBBS is Supermicro's Data Center Building Block Solutions, the rack sold together with power, cooling and software.
Musk put numbers on that goal the same day. Colossus 2 runs 110k GB200 and 440k GB300.
1. +220k GB300 next week
2. +220k in November
3. +220k by late December, "if we get lucky"
That takes Colossus 2 to 1.1M GB300.
At 72 GPUs per NVL72 rack, each 220k tranche is about 3,050 racks. Supermicro said in August it is on track to exceed 6,000 racks a month, more than 3,000 of them direct liquid-cooled.
Supermicro's Mike Staiger priced slow TTO at the Goldman Sachs conference on September 10: "if you have 8 racks and it takes you 30 days to make them operational, it's like $3 million."
On June 12, the day $SPCX listed, Liang said $SMCI would co-build another gigawatt AI data center for SpaceX and xAI within a year, calling it "our fastest TTO yet."
Today's post ends with a promise of "a surprise xmas gift before year-end." Musk's third tranche is dated late December.๐จ๐จ๐จ๐จ๐จ
๋ ๋ณด๊ธฐ
$SMCI is now shipping $NVDA Vera Rubin NVL72 racks, integrated with its Data Center Building Block Solutions and the DLC-2 direct liquid cooling stack.
Per rack:
1. 72 $NVDA Rubin GPUs and 36 Vera CPUs, operating as one machine
2. 18 1U compute trays, each with 4 Rubin GPUs and 2 Vera CPUs
3. 9 sixth generation NVLink switch trays, 216 TB/s of scale-up bandwidth
4. 20.7 TB of HBM4, up to 54 TB of LPDDR5X
๐ข๐ป๐ฒ ๐ฆ๐ฐ๐ฎ๐น๐ฎ๐ฏ๐น๐ฒ ๐จ๐ป๐ถ๐ ๐ถ๐ 1,152 ๐ฅ๐๐ฏ๐ถ๐ป ๐๐ฃ๐จ๐ ๐ฎ๐ป๐ฑ 331 ๐ง๐ ๐ผ๐ณ ๐๐๐ 4 ๐ฎ๐ฐ๐ฟ๐ผ๐๐ 16 ๐ฐ๐ผ๐บ๐ฝ๐๐๐ฒ ๐ฟ๐ฎ๐ฐ๐ธ๐. The blueprints size a balanced bill of materials from a 5 MW envelope up to gigawatt scale.
Cooling is what Supermicro is really selling, and it comes from its own portfolio:
1. Cold plates, manifolds, hose kits
2. In-row CDUs rated 1.8 MW each, N+1 redundancy
3. Rear door heat exchangers for residual heat
4. Facility-side cooling towers
Every rack is tested with the full stack before it leaves.
"We have spent years building the liquid-cooling stack, the manufacturing capacity, and the deployment teams for exactly this moment," said Charles Liang, president and CEO, Supermicro.
Supermicro also said on its own X account that the first systems went to SpaceX AI, built at the expanded San Jose facility.
Shipping first is the win.
The open question for $SMCI is the margin these racks carry, because this is a company that has taken thin ones before to hold volume.
๋ ๋ณด๊ธฐ