Tech Spotlights · fifteen-essay series
Tech Spotlights. Fifteen vendor + technology deep-dives
Fifteen essays profiling specific vendors + technologies shaping AI infrastructure across the six-layer power stack, cooling, compute, interconnect, and modular construction. Each essay covers the tech, the vendor competitive position, the addressable market, and the practical fit for AI-density deployments.
3 liveVicor + Wolfspeed + Ayar/LM
12 upcomingOct 2026 through Q1 2027
4 categoriespower + cooling + compute + interconnect
01The essays
-
01
-
02Wolfspeed's Second Act LIVEPost-Ch11 MV upstream call: 10 kV MOSFET, SST customer set, three equity scenarios
-
03Menlo Micro. SSCB UPCOMINGLayer 3 protection. MEMS-based Ideal Switch
-
04Skeleton. HSCs + curved graphene UPCOMINGLayer 1 bridging power + UPS
-
05Navitas + EPC. GaN UPCOMINGGaN power semiconductors vs Si + SiC
-
06CoolIT. DLC UPCOMINGDirect-to-chip liquid cooling for AI density
-
07Submer. Immersion cooling UPCOMINGSingle-phase vs two-phase immersion
-
08Kairos + X-energy. SMRs UPCOMINGHyperscaler-anchored SMR positioning
-
09Fervo. Enhanced geothermal UPCOMING24/7 CFE for hyperscaler baseload
-
10Bloom Energy. SOFC UPCOMINGOn-site fuel-cell power for AI DC
-
11Cerebras. Wafer-scale AI UPCOMINGWafer-scale training reference
-
12Groq. LPU inference UPCOMINGUltra-low-latency LLM inference
-
13Specialised GPU cloud UPCOMINGCoreWeave + Lambda + Nscale + Together + Applied + RunPod + Crusoe
-
14Ayar Labs + Lightmatter. CPO LIVECo-packaged optics + chiplet optical interconnect · Rubin Ultra 2027 scale-up window
-
15Compass + Vantage. Modular DC UPCOMINGModular + prefab AI DC construction
Working on an AI infrastructure decision?
I advise on vendor selection + technical DD for AI infrastructure vendors and technologies. Practitioner-grade competitive analysis for procurement + investment decisions.
How I work →Definition Tech Spotlights is a fifteen-essay series of vendor and technology deep-dives across the AI Power Chain. Companies covered include Vicor, Menlo Micro, Skeleton, Navitas, Wolfspeed, CoolIT, Submer, Kairos, Fervo, Bloom, Cerebras, Groq, Ayar, Lightmatter and Compass.