Research contextSee what supports this page, how current it is, and where comparable or historical context is available.
- Research date
- Sep 22, 2026Use the dated article and cited sources for the definition, examples, and stated limitations.
- Operating-model context
- 12 connected conceptsPart of the reviewed Semiconductor Equipment Operating Model; issuer definitions remain distinct where disclosed.
- Company examples
- 1 reviewed companyRelationships reflect supported examples, not a normalized cross-company KPI ranking.
Semiconductor equipment system units sold measure the number of capital-equipment systems recognized as sold under an issuer's product taxonomy.
ASML reports recognized system counts across EUV and DUV lithography families and also discloses new and used lithography systems sold.
Why it matters
Unit volume helps separate system-revenue growth into shipment volume and product-price or mix effects.
A simplified bridge is:
System Revenue ≈ Units Sold × Average Revenue per System
Actual results depend heavily on system generation, configuration, upgrades, acceptance timing, and product mix.
Investor caution
One system is not an economically uniform unit.
A high-end EUV lithography system and a mature DUV tool differ dramatically in price, complexity, and customer use.
Source:
System units sold measure equipment volume, not manufacturing capacity added on a standardized basis.
Part of the Semiconductor Equipment Operating Model
Connect bookings and backlog, system and service revenue, installed-base monetization, end-market mix, deferred revenue, customer concentration, and system units to understand semiconductor-equipment economics.
How the model fits together
- Order intake, backlog, and revenue conversion: Net bookings add accepted orders to the demand pipeline, backlog represents accepted business not yet recognized as revenue, and deferred revenue captures consideration received or billed before recognition. System revenue and system units sold show realized equipment delivery. The bridge is useful analytically but not a standardized accounting identity across issuers.
- New systems versus installed-base monetization: System revenue and system revenue mix show dependence on new capital-equipment sales, while service revenue, service revenue mix, and installed-base revenue show support, spares, upgrades, software, and field-option economics around tools already deployed. Issuer category boundaries differ and should remain explicit.
- End-market and customer exposure: Memory and foundry or logic revenue mix describe which semiconductor investment cycles drive demand, while customer concentration shows dependence on a small number of large chipmakers. These issuer-defined views add cycle and dependency context rather than forming standardized cross-company segment measures.
See It in Company Research
These companies are examples of how the concept is reported or discussed in public filings. Definitions can differ by issuer; these links open company research rather than a normalized metric comparison.
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