Investors interested in stocks from the Computers - IT Services sector have probably already heard of Dell Technologies (DELL) and Epam (EPAM). But which of these two companies is the best option for those looking for undervalued stocks? Let's take a closer look.The best way to find great value stocks is to pair a strong Zacks Rank with an impressive grade in the Value category of our Style Scores system. The proven Zacks Rank emphasizes companies with positive estimate revision trends, and our Style Scores highlight stocks with specific traits.Right now, Dell Technologies is sporting a Zacks Rank of #2 (Buy), while Epam has a Zacks Rank of #3 (Hold). Investors should feel comfortable knowing that DELL likely has seen a stronger improvement to its earnings outlook than EPAM has recently. But this is just one piece of the puzzle for value investors.Value investors also try to analyze a wide range of traditional figures and metrics to help determine whether a company is undervalued at its current share price levels.The Value category of the Style Scores system identifies undervalued companies by looking at a number of key metrics. These include the long-favored P/E ratio, P/S ratio, earnings yield, cash flow per share, and a variety of other fundamentals that help us determine a company's fair value.DELL currently has a forward P/E ratio of 11.29, while EPAM has a forward P/E of 68.60. We also note that DELL has a PEG ratio of 0.94. This metric is used similarly to the famous P/E ratio, but the PEG ratio also takes into account the stock's expected earnings growth rate. EPAM currently has a PEG ratio of 2.59.Another notable valuation metric for DELL is its P/B ratio of 8.10. The P/B is a method of comparing a stock's market value to its book value, which is defined as total assets minus total liabilities. By comparison, EPAM has a P/B of 14.70.These metrics, and several others, help DELL earn a Value grade of A, while EPAM has been given a Value grade of D.DELL has seen stronger estimate revision activity and sports more attractive valuation metrics than EPAM, so it seems like value investors will conclude that DELL is the superior option right now. Time to Invest in Legal Marijuana If you’re looking for big gains, there couldn’t be a better time to get in on a young industry primed to skyrocket from $17.7 billion back in 2019 to an expected $73.6 billion by 2027. After a clean sweep of 6 election referendums in 5 states, pot is now legal in 36 states plus D.C. Federal legalization is expected soon and that could be a still greater bonanza for investors. Even before the latest wave of legalization, Zacks Investment Research has recommended pot stocks that have shot up as high as +285.9%. You’re invited to check out Zacks’ Marijuana Moneymakers: An Investor’s Guide. It features a timely Watch List of pot stocks and ETFs with exceptional growth potential.Today, Download Marijuana Moneymakers FREE >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Dell Technologies Inc. (DELL): Free Stock Analysis Report EPAM Systems, Inc. (EPAM): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research