QMCO vs SCSC vs PSTG vs SMCI

For growth investors, Super Micro Computer, Inc.

(SMCI) is the stronger pick with 46. 6% revenue growth year-over-year, versus -12. 0% for Quantum Corporation (QMCO). ScanSource, Inc. (SCSC) offers the better valuation at 14. 5x trailing P/E (11. 0x forward), making it the more compelling value choice. Analysts rate Quantum Corporation (QMCO) a "Buy" — based on 10 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, ScanSource, Inc.

(SCSC) is the cheapest at 14. 5x versus Pure Storage, Inc. at 142. 5x. On forward P/E, ScanSource, Inc. is actually cheaper at 11. 0x.

Over the past 5 years, Super Micro Computer, Inc.

(SMCI) delivered a total return of +823. 6%, compared to -95. 1% for Quantum Corporation (QMCO). Over 10 years, the gap is even starker: SMCI returned +1150% versus QMCO's -88. 1%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), ScanSource, Inc.

(SCSC) is the lower-risk stock at 1. 48β versus Quantum Corporation's 3. 23β — meaning QMCO is approximately 118% more volatile than SCSC relative to the S&P 500. On balance sheet safety, Pure Storage, Inc. (PSTG) carries a lower debt/equity ratio of 15% versus 76% for Super Micro Computer, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Super Micro Computer, Inc.

(SMCI) is pulling ahead at 46. 6% versus -12. 0% for Quantum Corporation (QMCO). On earnings-per-share growth, the picture is similar: Pure Storage, Inc. grew EPS 51. 6% year-over-year, compared to -159. 9% for Quantum Corporation. Over a 3-year CAGR, SMCI leads at 61. 7% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Pure Storage, Inc.

(PSTG) is the more profitable company, earning 5. 1% net margin versus -42. 0% for Quantum Corporation — meaning it keeps 5. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SMCI leads at 5. 7% versus -15. 2% for QMCO. At the gross margin level — before operating expenses — PSTG leads at 70. 4%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, ScanSource, Inc.

(SCSC) trades at 11. 0x forward P/E versus 29. 2x for Pure Storage, Inc. — 18. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SMCI: 37. 7% to $46. 29.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Super Micro Computer, Inc.

(SMCI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1150% 10Y return). Quantum Corporation (QMCO) carries a higher beta of 3. 23 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SMCI: +1150%, QMCO: -88. 1%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: QMCO is a small-cap quality compounder stock; SCSC is a small-cap deep-value stock; PSTG is a mid-cap high-growth stock; SMCI is a mid-cap high-growth stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.