VNET vs IRM vs DLR vs EQIX

For growth investors, Iron Mountain Incorporated (IRM) is the stronger pick with 12.

2% revenue growth year-over-year, versus 5. 9% for Equinix, Inc. (EQIX). Digital Realty Trust, Inc. (DLR) offers the better valuation at 54. 4x trailing P/E (96. 3x forward), making it the more compelling value choice. Analysts rate VNET Group, Inc. (VNET) a "Buy" — based on 16 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, Digital Realty Trust, Inc.

(DLR) is the cheapest at 54. 4x versus Iron Mountain Incorporated at 258. 7x. On forward P/E, VNET Group, Inc. is actually cheaper at 34. 7x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Equinix, Inc. wins at 2. 34x versus Digital Realty Trust, Inc. 's 3. 31x.

Over the past 5 years, Iron Mountain Incorporated (IRM) delivered a total return of +240.

1%, compared to -65. 1% for VNET Group, Inc. (VNET). Over 10 years, the gap is even starker: IRM returned +298. 8% versus VNET's -36. 8%. 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), Equinix, Inc.

(EQIX) is the lower-risk stock at 0. 42β versus VNET Group, Inc. 's 2. 70β — meaning VNET is approximately 537% more volatile than EQIX relative to the S&P 500. On balance sheet safety, Digital Realty Trust, Inc. (DLR) carries a lower debt/equity ratio of 97% versus 3% for VNET Group, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Iron Mountain Incorporated (IRM) is pulling ahead at 12.

2% versus 5. 9% for Equinix, Inc. (EQIX). On earnings-per-share growth, the picture is similar: Digital Realty Trust, Inc. grew EPS 122. 4% year-over-year, compared to -19. 7% for Iron Mountain Incorporated. Over a 3-year CAGR, IRM leads at 10. 6% 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.

Digital Realty Trust, Inc.

(DLR) is the more profitable company, earning 21. 4% net margin versus 2. 1% for Iron Mountain Incorporated — meaning it keeps 21. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IRM leads at 20. 4% versus 8. 1% for VNET. At the gross margin level — before operating expenses — DLR leads at 55. 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Equinix, Inc. (EQIX) is the more undervalued stock at a PEG of 2. 34x versus Digital Realty Trust, Inc. 's 3. 31x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, VNET Group, Inc. (VNET) trades at 34. 7x forward P/E versus 96. 3x for Digital Realty Trust, Inc. — 61. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for VNET: 162. 8% to $23. 55.

In this comparison, DLR (2.

5% yield), IRM (2. 4% yield), EQIX (1. 8% yield) pay a dividend. VNET does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Equinix, Inc.

(EQIX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 42), 1. 8% yield, +248. 6% 10Y return). VNET Group, Inc. (VNET) carries a higher beta of 2. 70 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (EQIX: +248. 6%, VNET: -36. 8%), 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.

These companies operate in different sectors (VNET (Technology) and IRM (Real Estate) and DLR (Real Estate) and EQIX (Real Estate)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

IRM, DLR, EQIX pay a dividend while VNET does not, making them suitable for different income and tax situations. 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.