ACMERCNC Routers & Desktop CNCEquipmentSelect Score7.0 / 10

ACMER ASCARVA 3S

Name: ACMER ASCARVA 3S
Brand: ACMER
Price: 299.00 USD
Availability: InStock

Best for · Compact 500W CNC for small parts

Purchase options

Current price

$299.00

$499.00

In stock at merchant

Check Current Price Model costs

Estimate payback and ROI →

Compare merchants →

Compact all-aluminum CNC router with a 500W spindle and 300 × 180 × 78 mm work area.

Business economics

Compact estimates for this machine. Catalog price is a merchant fact when published. Operating cost, labor, materials, and volume are editable assumptions—not nameplate wattage, rated throughput, or promised revenue.

Catalog price: Current price
$299.00
$499.00
Merchant / manufacturer fact
Cost profile: Desktop CNCEquipmentSelect assumption · operating $45/mo · not from a spec sheet

Complete setup cost

Total investment is more than sticker price. Amounts are catalog facts, cost-profile assumptions, or quotes you enter — never guessed accessory SKUs.

Equipment price: $299
+ Required setup: $120
+ Initial consumables: $0
+ Other startup costs: $340
Estimated initial investment: $759

Catalog price plus priced setup and startup assumptions. Unpriced lines are omitted until you enter a quote.

Required
Equipment priceCatalog price. Catalog starting price when published; otherwise your quote$
Required
ShippingCost-profile assumption. Freight to your shop — cost-profile assumption unless you override it$
Optional
InstallationCost-profile assumption. Placement, leveling, or commissioning — cost-profile assumption unless you override it$
Recommended
AccessoriesCost-profile assumption. Lumped accessories in the cost profile (exhaust kits, hoops, jigs). Not a merchant SKU list.$
Recommended
Dust collectionNot priced — enter assumption. Collector, ducting, or boom arm. Not priced in the catalog — enter your quote.$
Recommended
SoftwareNot priced — enter assumption. Design, CAM, RIP, or subscription if billed up front. Enter your quote.$
Recommended
ToolingNot priced — enter assumption. Bits, rotary, hoops, fixtures, or jigs beyond the profile lump. Enter your quote.$
Recommended
Initial materialsNot priced — enter assumption. First blanks, filament, board, or garments. Enter your quote.$
Optional
Optional accessoriesNot priced — enter assumption. Nice-to-have extras you intend to buy with the machine$
Recommended
Computer / controllerNot priced — enter assumption. PC, tablet, or dedicated controller if not included. Enter your quote.$
Optional
TrainingNot priced — enter assumption. Operator training if you will pay for it. Enter your quote.$
Optional
ContingencyNot priced — enter assumption. Buffer for freight surprises or missing extras. Enter your assumption — not a calculated percent.$

Why the total investment can be higher than the machine price

A desktop CNC is the frame and spindle. Bits, dust collection, and CAM software are the rest of the shop.

Dust collection is recommended even on a small router — chips are not optional.
A starter bit set and spoilboard are usually separate purchases.
CAM seats may be subscription or perpetual; enter the amount you will actually pay up front.

Estimated cost/job

$22.92

Materials, labor, and allocated operating cost

Estimated monthly contribution

$1,275

After materials, labor, and monthly costs

Estimated payback

0.6 months

Complete setup investment ÷ monthly contribution

Estimated first-year ROI

2015.8%

Annual contribution ÷ total investment

All four figures are estimates under your expected jobs/month—not accounting results.

Estimates

Test your assumptions

Conservative, Expected, and Optimistic change monthly jobs (utilization vs the volume you entered). Selling price, purchase price, labor, and materials stay as entered. Utilization is not rated machine capacity. All figures are estimates.

60 jobs/month expected
$45.83 average selling price
$299 equipment purchase
$25.00/hour labor
$9.00 materials/job
$600 estimated monthly labor

Conservative

36 jobs/month

60% of expected volume

1.0 months

Estimated payback

Estimated monthly revenue: $1,742
Estimated monthly contribution: $771
Estimated first-year ROI: 1219.0%

Expected

60 jobs/month

100% of expected volume

0.6 months

Estimated payback

Estimated monthly revenue: $2,750
Estimated monthly contribution: $1,275
Estimated first-year ROI: 2015.8%

Optimistic

84 jobs/month

140% of expected volume

0.4 months

Estimated payback

Estimated monthly revenue: $3,758
Estimated monthly contribution: $1,779
Estimated first-year ROI: 2812.6%

Bar length tracks estimated monthly contribution (higher is stronger). Payback and ROI are estimates, not accounting results.

What changes the decision?

One shock at a time versus your expected assumptions. Each row reuses the same payback engine.

+25% utilization
0.5 months
Jobs/month vs your expected volume — not rated machine capacity
0.1 months faster
-10% selling price
0.8 months
Shock to the selling price currently used
0.2 months slower
+20% equipment cost
0.6 months
Shock to purchase price, not setup
Payback unchanged
+20% labor cost
0.5 months
Shock to hourly labor rate
0.1 months faster
+20% material cost
0.5 months
Shock to materials per job
Payback unchanged

Compare this equipment Find equipment with better economics Calculate your own job price

Estimates are based on the information you provide and should not be considered financial advice. We do not store your calculator inputs on a server.

Key specifications

Work area: 300 × 180 × 78 mm
Spindle power: 500 W
Spindle speed: 12000 RPM
Positioning accuracy: ±0.025 mm
Enclosure: open
Machine type: cnc-router

EquipmentSelect Score

7.0 / 10

Strong compact value with useful controls, constrained mainly by its small work area.

Choose the ASCARVA 3S when compact footprint and spindle value matter more than work area. Step to the 4S for 400 mm projects or a VEVOR S4040 when preorder timing is unacceptable.

Affiliate commission and merchant relationships do not affect this score. It is editorial fit, not modeled profit or payback.

Why

One editorial judgment across these dimensions—not five separately calculated sub-scores.

Capability
Value
Business fit
Production potential
Ecosystem/support

500W spindle and all-aluminum frame
Tool setter, E-stop, and six limit switches
Candle, UGS, and Easel compatibility across major desktop systems

Potential drawbacks

Small 300 × 180 mm X/Y envelope
Open frame requires separate dust, noise, and safety controls
Light soft-metal capability should not be confused with production milling

Best for

Compact 500W CNC for small parts

Small-format signs, fixtures, and prototypes within a 300 × 180 mm bed
Buyers who want a 500W spindle at an entry-level price
Operators comfortable managing dust and guarding around an open machine

Not ideal for

Small 300 × 180 mm X/Y envelope
Open frame requires separate dust, noise, and safety controls
Light soft-metal capability should not be confused with production milling

Technical specifications

Machine

Machine specifications
Work area	300 × 180 × 78 mm
Positioning accuracy	±0.025 mm
Frame	all aluminum
Machine type	cnc-router

Spindle

Spindle specifications
Spindle power	500 W
Spindle speed	12000 RPM

Software

Software specifications
Controller	ESP32
Software	Candle, UGS, Easel

Workflow

Workflow specifications
Safety controls	E-stop + 6 limit switches

Hardware

Hardware specifications
Enclosure	open

Alternatives

View category

TwoTreesEquipmentSelect Score 7.5/ 10
TwoTrees TTC450 Ultra
Best for · Higher-power 460 mm desktop CNC with 500W spindle
High-performance open desktop CNC with a 500W spindle, 460 × 460 × 100 mm work area, and dual CNC/laser modes.
- Work area
  460×460×100 mm
- Spindle power
  500
- Engraving precision
  0.05 mm
Starting at
$699.00
$999.00
View details
SnapmakerEquipmentSelect Score 8.1/ 10
Snapmaker Artisan 3-in-1
Best for · Modular enclosed Artisan 3-in-1
Enclosed Snapmaker Artisan modular 3-in-1 (FDM + laser + CNC). Laser research uses the 40W diode module on a 400 × 400 m…
- Power
  40 W
- Work area
  400×400 mm
- Laser
  Diode
Starting at
$2,099.00
$2,999.00
View details
ACMEREquipmentSelect Score 7.2/ 10
ACMER ASCARVA 4S 500W
Best for · Budget 400 mm CNC with touchscreen control
Open 400 × 400 mm CNC router package with a 500W spindle upgrade and 3.5-inch touchscreen.
- Work area
  400×400 mm
- Enclosure
  Open
- Spindle power
  500 W
Starting at
$588.00
$898.00
View details

Comparison suggestions

Shortlist these machines with ACMER ASCARVA 3S to clarify tradeoffs.

VEVOR S4040
VEVOR · Budget 400 mm CNC for wood and acrylic projects
Compare
ACMER ASCARVA 4S 500W
ACMER · Budget 400 mm CNC with touchscreen control
Compare

Buy

Where to buy

Sorted by landed price when merchants publish one. The recommended click is the tracked primary offer — not always the lowest number.

Merchant offers for ACMER ASCARVA 3S
Merchant	Price	Stock	Last checked	Buy
ACMERRecommendedAffiliate offer	$299.00	In stock	Not recorded	Check price
ToolsTodayAffiliate offer	See merchant	—	Not recorded	Check price
ToolsTodayAffiliate offer	See merchant	—	Not recorded	Check price

EquipmentSelect may earn a commission when you buy through links on our site, at no extra cost to you. Recommendations are based on specifications, use cases, and our independent assessment. EquipmentSelect does not process transactions.

Related guides

Buying guide
Aug 15, 2026
How to Choose a Business CNC Router Without Overbuying
A practical framework for matching CNC work area, rigidity, spindle class, materials, and shop overhead to paid work.
Read guide →

Comparisons

ACMER ASCARVA 3S vs ASCARVA 4S
Compare ACMER's compact 300 × 180 mm ASCARVA 3S with the 400 × 400 mm 4S 500W package—same spindle class, different envelope and availability.
ACMER ASCARVA 3S vs VEVOR S4040
Compare compact 500W ACMER ASCARVA 3S with the 400 mm 300W VEVOR S4040 for shops choosing envelope versus spindle class on a desktop CNC budget.

Buying guides

How to Choose a Business CNC Router Without Overbuying
A practical framework for matching CNC work area, rigidity, spindle class, materials, and shop overhead to paid work.

Use cases

Best Desktop CNC Routers for Wood Products
Wood CNC work starts with the blanks you ship: plaque size, relief depth, and fixture margin. Shortlist envelope and spindle class before chasing a larger frame you will not fill.

Budget guides

CNC Routers Under $500
A sub-$500 budget can open compact or 400 mm 300W desktop CNC—but it will not fund a production mill or a waiting 500W 400 mm preorder pack. Use this band to prove paid parts.
CNC Routers Under $1,000
Under $1,000 covers the live desktop CNC shortlist: compact 500W, 400 mm 300W, and the 400 mm 500W ACMER pack. Large-format sheet routers sit well above this band.

Decision tools

Equipment Match
Shortlist machines from your constraints
Cost Calculator
Model first-year cost, setup, and cost per unit
Job Pricing Calculator
Recommend a customer price from labor and margin
Profit Calculator
Estimate monthly and annual operating profit
ROI Calculator
Estimate payback and annual ROI

ACMER ASCARVA 3S

Business economics

Complete setup cost

Why the total investment can be higher than the machine price

Test your assumptions

Conservative

Expected

Optimistic

What changes the decision?

Key specifications

Why

Potential drawbacks

Best for

Not ideal for

Technical specifications

Machine

Spindle

Software

Workflow

Hardware

Alternatives

TwoTrees TTC450 Ultra

Snapmaker Artisan 3-in-1

ACMER ASCARVA 4S 500W

Comparison suggestions

Where to buy

Related guides

How to Choose a Business CNC Router Without Overbuying

Related research

Category

Comparisons

Buying guides

Use cases

Budget guides

Decision tools