How AI Hardware Depreciation Works

AI hardware depreciation starts from one accounting fact: a five-figure appliance purchase lands on the balance sheet as an asset, not on the profit-and-loss as an expense. Tax law then decides how fast that asset turns into deductions.

For US businesses in 2026, the answer is unusually fast -- often the entire purchase, in year one. This is the tax half of the CAPEX versus OPEX decision, carried into the return itself.

An Asset, Not an Expense

An AI appliance is capital equipment, so the books carry it at cost and move slices of that cost onto the expense line over its useful life. That is depreciation doing its ordinary job.

The tax return runs its own, faster clock. Three mechanisms set the pace: MACRS, Section 179, and bonus depreciation.

Five Year MACRS Property

Computers and peripheral equipment are 5-year property under MACRS, the default depreciation system on federal returns -- and an on-prem AI appliance is a GPU server by another name.¹

Default MACRS is front-loaded but not instant: the half-year convention spreads the write-off across six tax years, 20% of it in the first.¹ Few buyers stop there, because two provisions can collapse that schedule entirely.

Section 179 Expensing

Section 179 lets a qualifying business elect to deduct the full cost of equipment in the year it is placed in service instead of depreciating it. The 2025 tax law raised the annual limit to $2.5 million -- $2,560,000 for tax years beginning in 2026 -- phasing out only above $4 million of total equipment purchases.^{1, 3}

A $50,000 to $150,000 appliance does not come near either ceiling. The one real constraint is that the deduction cannot exceed the year's business taxable income; anything unused carries forward.¹

Permanent Bonus Depreciation

Bonus depreciation reaches the same destination with no income limit and no dollar cap. The One Big Beautiful Bill Act made 100% first-year bonus depreciation permanent for qualified property acquired and placed in service after January 19, 2025.²

Property with a recovery period of 20 years or less qualifies, which covers 5-year computer equipment comfortably. Between the two provisions, expensing the whole appliance in year one is the norm for a qualifying business, not the exception.

A Fifty Thousand Dollar Example

Take a $50,000 AI appliance placed in service this year and fully expensed. At a 21% corporate rate, the $50,000 deduction returns roughly $10,500, putting the machine's after-tax cost near $39,500 -- pass-through rates land differently, but the shape holds.

A cloud subscription is deductible too -- every dollar of it, every year it recurs. The deduction is not the argument; the ending is.

The appliance's cost stops after year one while the asset keeps working; the subscription renews in full for as long as you keep the capability. And the owned deduction arrives all at once, in the year you buy, instead of trickling in beside an invoice that never stops.

Software and Setup Costs

Software bundled into the equipment purchase is generally treated as part of the machine's cost, and off-the-shelf software qualifies for Section 179 in its own right.¹ A system like FactoryOS is sold as hardware plus the software that runs it -- one purchase, one owned asset, which is exactly the shape these rules were written for.

Setup and integration costs required to place the system in service are typically capitalized into the same asset basis, folding them into the same year-one expensing. How the invoice is itemized can matter, though, and that is a question for your CPA rather than an article.

Education, Not Tax Advice

Everything above is education, not tax advice -- entity type, income position, and state rules all move the answer, and states do not uniformly follow federal bonus depreciation. Your CPA runs your numbers; this article only makes sure you walk in knowing the mechanics.

Those mechanics are settled and favorable. A five-figure AI appliance is a plannable line on the budget that current law lets most businesses deduct in full the year they buy it -- which moves the ROI math in ownership's favor before the machine has answered its first question.