What is the predecessor to the HP Z440 workstation?

Question

Options

• AHP Z220 workstation
• BHP Z240 workstation
• CHP Z400 workstation
• DHP Z420 workstation

• A
  2% (1)
• B
  4% (2)
• D
  94% (45)

Explanation

Option D is correct because HP's Z-series workstations follow a sequential generational naming pattern - the Z420 was the direct predecessor to the Z440 in the single-CPU tower workstation line, with the Z440 released in 2014 as its replacement. Option C (Z400) is wrong because it is two generations back - the Z400 preceded the Z420, not the Z440. Option A (Z220) is wrong because the Z220 is a smaller entry-level workstation from a different tier of the Z-series, not the same product line as the Z440. Option B (Z240) is wrong because the Z240 actually came after the Z440 as a successor in the smaller-form-factor segment, making it a descendant rather than a predecessor.

Memory tip: Think of the Z-series as a simple number line - Z400 → Z420 → Z440. Each generation adds 20 to the model number, so "predecessor" always means subtract 20: Z440 − 20 = Z420.

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