Matt Teo

Matt Teo

Payments Industry Commentator | Financial Culture Researcher

BA in Economics, obsessed with payment history (collects antique banknotes). Publishes Sociology of Payments series on Caixin, revealing urban-rural gaps behind QR code payments. His World Currency Museum virtual exhibit garnered 1M+ views.

Latest Articles

Why Are AI Data Centers Competing for Enterprise SSDs? From Training Data to Vector Databases
Why Are AI Data Centers Competing for Enterprise SSDs? From Training Data to Vector Databases
AI data centers are competing for enterprise SSDs because training data, checkpoints, inference caches, RAG, and vector databases all require low latency, high IOPS, and stable throughput, driving tight enterprise SSD supply.
What Is Cold Data? Why AI Still Needs Long-Term Storage After Training and Inference
What Is Cold Data? Why AI Still Needs Long-Term Storage After Training and Inference
Cold data is not useless data. It is a long-term asset for AI training, inference, auditing, and retraining. Learn what cold data means, why HDDs still matter, how AI storage tiering works, and how long-term retention affects cost, compliance, and data value.
Which Products Are Affected by NAND Price Increases? SSDs, Smartphones, Servers, and Consumer Electronics
Which Products Are Affected by NAND Price Increases? SSDs, Smartphones, Servers, and Consumer Electronics
NAND price increases affect SSDs, smartphones, laptops, servers, AI data centers, and consumer electronics. Learn how NAND Flash prices flow through products, procurement decisions, and investment signals.
Western Digital WDC vs Pure Storage PSTG: Which Is Better Suited for AI Data Centers, HDD Capacity Storage or All-Flash Arrays?
Western Digital WDC vs Pure Storage PSTG: Which Is Better Suited for AI Data Centers, HDD Capacity Storage or All-Flash Arrays?
Compare Western Digital WDC and Pure Storage PSTG in AI data centers, covering HDD capacity storage, nearline HDDs, all-flash arrays, subscription revenue, financial elasticity, and investment risks.
SanDisk SNDK vs Pure Storage PSTG: The Investment Logic Difference Between Flash Chips and All-Flash Systems
SanDisk SNDK vs Pure Storage PSTG: The Investment Logic Difference Between Flash Chips and All-Flash Systems
What is the difference between SanDisk SNDK and Pure Storage PSTG? This article compares the investment logic of Flash chips and enterprise storage platforms from the perspectives of NAND Flash, SSDs, AI data centers, all-flash systems, Storage-as-a-Service, ARR, RPO, gross margin, cash flow, and valuation risk.
How Should You Evaluate Pure Storage’s Storage-as-a-Service Model? Revenue Quality and Key Risks
How Should You Evaluate Pure Storage’s Storage-as-a-Service Model? Revenue Quality and Key Risks
How should investors understand Pure Storage’s Storage-as-a-Service model? This article analyzes Evergreen//One, subscription revenue, ARR, RPO, NDR, margins, cash flow, AI storage demand, and supply-chain risks to assess revenue quality and investment implications.
Why Is Enterprise SSD Supply Tightening? NAND Capacity Allocation, Cloud Orders, and the Pricing Cycle
Why Is Enterprise SSD Supply Tightening? NAND Capacity Allocation, Cloud Orders, and the Pricing Cycle
Enterprise SSD supply is tightening due to AI data center expansion, concentrated cloud orders, NAND capacity shifting toward high-value enterprise SSDs, and rising contract prices. Learn how NAND capacity allocation, QLC SSDs, cloud procurement, and pricing cycles affect the storage supply chain and investment analysis.
What Is Dell DELL’s Relationship With AI Storage? Servers, Storage Systems, and Enterprise Customers
What Is Dell DELL’s Relationship With AI Storage? Servers, Storage Systems, and Enterprise Customers
Analyze Dell DELL’s relationship with AI storage, including PowerEdge AI servers, PowerScale, ObjectScale, enterprise customer demand, financial data, and investment risks, to help you understand Dell’s AI infrastructure logic.
How to Read NAND Contract Prices and Spot Prices? Why Enterprise SSDs and Consumer SSDs Do Not Move in Sync
How to Read NAND Contract Prices and Spot Prices? Why Enterprise SSDs and Consumer SSDs Do Not Move in Sync
NAND contract prices and spot prices reflect different market layers. Understanding enterprise SSDs, consumer SSDs, AI data center demand, inventory, and channel price differences can help you assess NAND cycles and their impact on storage stocks.