We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small square 40mm case fan with black frame and transparent blades

Fans

Fans YY4020H12B 4020 case fan 40mm 12V 0.20A double ball bearing

SKU CH-R98E-8T0M3

40 mm square case fan with 12 V supply and double ball bearing

  • Double ball bearing extends operational life
  • 12 V 0.20 A draws minimal power
  • 40 mm frame fits tight 4020 mounting holes
  • 20 mm thickness suits slim chassis builds

Compact 40 mm cooling

The Fans YY4020H12B is a 40 mm square case fan built for tight spaces in small-form-factor PCs and industrial enclosures. It runs on 12 V and draws 0.20 A, using a double ball bearing for durable operation. Dimensions are 40 by 40 by 20 mm.

Replaces noisy sleeve-bearing 40 mm fans

Swap this in when an original 4020 fan becomes loud or fails after extended use. The double ball bearing resists wear better than sleeve designs, making the upgrade worthwhile for systems that run continuously or in warm environments. It is not suited for builds needing higher airflow than a 40 mm frame can deliver.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $18.99
Typical for this category: the median of 8,339 items is $19.99.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

Will the 40 mm by 40 mm frame with 20 mm depth fit my existing 4020 mounting holes?

The fan body is 40 mm square and 20 mm thick, matching the standard 4020 form factor used in many small-form-factor cases and heatsinks.

What is the correct way to wire the 12 V 0.20 A leads, and what mistake should I avoid?

Connect the red wire to 12 V and the black wire to ground; reversing them will prevent the double ball bearing motor from spinning.

More in PC Cooling Fans

Similar items