Cooling Solutions for Data Centers AC/DC/EC Fans Manufacture

From server fans to liquid cooling — reduce PUE, eliminate hotspots, and maximize hardware lifespan with proven thermal strategies.

At Linkwell, we offer free technical support, product customization, factory-direct pricing, rapid shipping, and cost-effective solutions—helping you finalize your data center cooling choices.

Why Data Center Cooling Is Non‑Negotiable

Overheating is the #1 enemy of uptime. Every degree matters for performance and total cost of ownership.

50% of failures

More than half of IT equipment malfunctions are directly linked to excessive heat. Proper cooling extends component life by years.

10°C = 50% shorter life

Every 10°C rise above recommended range cuts electronic lifespan in half. Don't let poor thermal design kill your ROI.

30–40% of energy

Cooling accounts for up to 40% of total data center power draw. Smart solutions slash electricity bills dramatically.

Data Center Cooling Technologies: Full Spectrum

No one-size-fits-all. Compare air, liquid, and free cooling to match your rack density and climate.

Air Cooling

Best for: traditional & mixed density (2–6 kW/rack). Uses fans, CRAC/CRAH units, and hot/cold aisle containment. Low upfront cost, mature ecosystem.

Liquid Cooling

Best for: high-performance computing, AI clusters (10–50+ kW/rack). Cold plate or immersion. Achieves PUE below 1.1.

Free Cooling

Uses outside air or water when ambient conditions permit. Airside/economizers reduce chiller runtime. Perfect for temperate climates.

Hybrid Solutions

Combine air + liquid + free cooling. Modern data centers adopt hybrid to balance cost, density, and sustainability goals. Maximum flexibility & future-proof

Fans: The Workhorse of Data Center Thermal Management

From server chassis to rear doors, fans deliver targeted airflow. High static pressure, PWM control, and long-life bearings are mission-critical.

We specialize in the production of cooling fans; our factory in China features five production lines with a monthly capacity of 50,000 units.

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LKA08025

80×80×25

110, 220

12/11

2500/2800

16.5/18.2

LKA08038

80×80×38

110, 220

13/12

2300/2500

47.6/56.1

LKA09225

92×92×25

110, 220

12/11

2350/2700

42.2/52.7

LKA11025

110×110×25

110, 220

12/11

2000/2200

41/45

LKA12025

120×120×25

110, 220

12/11

1800/2000

45/52.8

LKA12038-5

120×120×38

110, 220

19/18

2600/2900

77/82

LKA12038-7

120×120×38

110, 220

19/18

2500/2700

80/88

LKA13538

135×135×38

110, 220

20/18

2600/2800

86/95

LKA15051-5

150×150×51

110, 220

30/28

2700/3000

150/160

LKA15051-7

150×150×51

110, 220

32/30

2500/2600

175/185

LKA17238-M

172×150×38

220

30/29

2800/3300

184/225

LKA17251-5

172×150×51

110, 220

30/28

2700/3000

150/160

LKA17251-7

172×150×51

110, 220

32/30

2500/2600

175/185

LKA17252-M

172×172×52

220

40/39

2700/3200

233/281

LKA17255

172×162×55

110, 220

37/35

2800/3100

175/190

LKA18060

180×180×60

110, 220

42/40

2700/3000

260/290

LKA20060

202×202×60

110, 220

45/42

2600/2700

320/330

LKA20572

205×205×72

110, 220

60/80

2800/3200

630/680

LKA22060

220×60

110, 220

45/42

2600/2700

320/330

LKA22060-M

220×220×60

220

61/77

2550/2780

585/649

LKA22580

225×225×80

110, 220

55/65

2600/2800

500/545

LKA25489

254×89

110, 220

50/70

2550/2450

492/433

LKA25490

254×254×90

220

86/104

2660/3000

860/1003

LKA28080

280×280×80

110, 220

110/150

2550/2700

1015/1050

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LK8025

80×80×25

12, 24, 48

0.96 – 3.00

2500 – 4000

26.67 – 44.05

LK8038-HP

80×80×38

12, 24, 48

2.88 – 21.60

4000 – 8000

46.54 – 102.23

LK9225

92×92×25

12, 24, 48

1.56 – 6.24

2500 – 4500

38.12 – 73.2

LK9238-HP

92×92×38

12, 24, 48

3.24 – 21.60

4000 – 7500

67.27 – 126.12

LK12025

120×120×25

12, 24, 48

1.80 – 7.20

2000 – 3500

60.23 – 105.4

LK12038

120×120×38

12, 24, 48

3.60 – 19.20

2500 – 4500

95.54 – 171.7

LK12038-HP

120×120×38

12, 24, 48

9.60 – 36.00

3500 – 5500

155.64 – 244.57

LK15050

150×150×50

12, 24, 48

13.20 – 42.24

3000 – 4500

220.94 – 311.41

LK17250

172×150×51

12, 24, 48

14.40 – 43.20

3000 – 4500

215.64 – 306.42

LK17250D

172×150×51

24, 48

156 – 245

6500 – 8000

490 – 605

LK20060

200×200×60

12, 24, 48

25.80 – 65.76

2500 – 3500

380.17 – 532.24

LK20572

205×205×72

12, 24, 48

57.6 – 120.0

2200 – 3300

531.3 – 798.3

LK22060

220×60

12, 24, 48

24.0 – 57.6

2000 – 3000

396.7 – 581.0

LK22580

225×225×80

12, 24, 48

57.6 – 120

2200 – 3300

533.5 – 806.0

LK25489

254×89

12, 24, 48

19.2 – 96

2000 – 3000

628.3 – 970.1

LK28080

280×280×80

12, 24, 48

57.6 – 168.0

2000 – 3000

790.1 – 1209.1

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LKE6025

60×60×25

110~240

2, 4, 6

4000, 6000, 8000

14.1~28.7

LKE7025

70×70×25

110~240

2, 3, 4

2500, 3000, 3500

21.6~29.9

LKE8025

80×80×25

110~240

3, 4, 5

2400, 2800, 3200

26.3~35.2

LKE8038

80×80×38

110~240

3, 4, 6

2500, 3000, 3500

29.7~44.2

LKE9225

92×92×25

110~240

3, 5, 6

2000, 2500, 2800

30.1~42.1

LKE9238

92×92×38

110~240

4, 5, 7

2500, 3000, 3500

50.1~71.0

LKE12025

120×120×25

110~240

3, 4, 7

1800, 2200, 2600

55.6~79.6

LKE12038-7

120×120×38

110~240

6, 8, 12, 18

2500, 3000, 3500, 4000

110.7~170.6

LKE12038-5

120×120×38

110~240

6, 8, 12, 18

2500, 3000, 3500, 4000

79.3~125.0

LKE15051

150×150×51

110~240

16, 22, 35

2500, 3000, 3500

182.2~258.1

LKE17251-A

172×150×51

110~240

16, 22, 35

2500, 3000, 3500

177.4~253.9

LKE17251-B

172×51

110~240

16, 22, 35

2500, 3000, 3500

179.6~254.8

LKE20060

200×200×60

110~240

25, 45

2000, 2500

392.8~493.3

LKE20572

205×205×72

110~240

60, 95, 145

2500, 3000, 3600

602.7~851.7

LKE22060

220×60

110~240

25, 45

2000, 2500

396.6~490.8

LKE22580

225×225×80

110~240

60, 95, 145

2500, 3000, 3600

619.2~869.5

LKE25489

254×89

110/120~220/240

110, 115, 145

2000, 2500, 3200

628.3~981.6

LKE28080

280×280×80

110~240

45, 75, 145

2000, 2500, 3200

790.1~1225.7

PWM Control

Dynamically adjust fan speed based on temperature sensors. Cut noise and power by 40% at partial loads.

Ball Bearing vs Sleeve

Dual ball bearings deliver 80,000+ hours MTBF — critical for 24/7 data center operation.

EC Fan Advantage

Electronically commutated fans reduce energy up to 70% vs AC, plus integrated speed control.

Why Data Center Cooling Is Non‑Negotiable

Get the right airflow — prevent hot spots without overspending.

Efficient cooling starts with understanding how much airflow your server rack actually needs. Oversizing wastes energy, while undersizing leads to overheating and reduced equipment lifespan.

Quick Formula (CFM)

Required CFM = (Total Heat Load in Watts × 3.16) / ΔT (°F)

This simplified formula assumes standard air density at sea level and is suitable for quick engineering estimates.

Watts = total IT load inside the rack
ΔT (°F) = allowable temperature rise between intake and exhaust air

👉 Example:
If your rack load is 5 kW (5000 W) and ΔT is 20°F:
CFM = (5000 × 3.16) / 20 = 790 CFM

Rack Load	Estimated CFM Needed	Recommended Fan Configuration
2 kW	320–400 CFM	2–3 high-speed 120mm fans
5 kW	800–1000 CFM	4× 120mm fans or 2× 172mm high-flow fans
8–10 kW	1400–1800 CFM	Fan wall + airflow containment; consider liquid-assisted cooling

1. Airflow + Static Pressure

Many buyers focus only on CFM, but static pressure is equally critical.

Server racks often have airflow resistance due to:

Dense cable routing
Perforated rack doors
Dust filters
High-performance CPUs and heat sinks

👉 Choose high static pressure axial fans or centrifugal fans for stable airflow performance.

2. Industrial-Grade Fan Reliability

For continuous operation (24/7 environments), look for:

Dual ball bearing design
Long lifespan (50,000+ hours)
Stable performance under high temperature
Metal frame or reinforced housing

👉 Industrial AC, DC, or EC cooling fans are recommended for server rack applications.

3. Scalable Cooling Design

As your IT load grows, your cooling system should scale easily.

Best practices:

Modular fan configuration (easy expansion)
Fan wall systems for high-density racks
Compatibility with rack-mounted cooling units

Proven PUE Reduction Strategies

Lower PUE = lower operational costs + greener reputation. Real tactics from industry.

Strategy	Expected PUE Reduction	Implementation Difficulty
Hot/Cold aisle containment	0.05 – 0.15	Medium
Replace AC fans with EC fans (fan trays, CRAC)	0.03 – 0.08	Low
Variable Air Volume (VAV) control	0.10 – 0.20	Medium
Raise supply air temperature setpoint	0.05 – 0.10	Low
Free cooling / economizer integration	0.15 – 0.30	High
Partial liquid cooling for high-density zones	0.20 – 0.40	High

Why Data Center Cooling Is Non‑Negotiable

Overheating is the #1 enemy of uptime. Every degree matters for performance and total cost of ownership.

Cloud Provider (8kW/rack)

Challenge: Frequent thermal alarms in high-density zone. Solution: High-static pressure PWM fans + rear-door fan arrays. Result: Hotspots eliminated, average temp dropped from 32°C → 26°C, no throttling events.

University HPC Cluster

Challenge: 15 kW/rack GPU nodes, AC struggling. Solution: Hybrid: cold plate liquid cooling for GPUs + EC fan wall. Result: PUE 1.12, fan noise reduced by 60%.

Quality Assurance – Certified Cooling Fan Manufacturer

FAQ of Cooling Solutions for Data Centers

What is the most common cooling method for data centers?

Air cooling remains dominant (CRAC/CRAH + fan-assisted racks). However, liquid cooling is rapidly growing for high-density AI and HPC workloads.

How many CFM do I need per rack?

A good baseline: 160–200 CFM per 1kW of IT load. For a 6kW rack, aim for 1000–1200 CFM total airflow through the cabinet.

AC vs DC fans – which is better for servers?

DC fans (especially with PWM) are superior: variable speed control, lower energy use, and less noise. AC fans are simpler but fixed-speed.

What is a good PUE target?

1.2 or lower is excellent for modern facilities. Legacy data centers often range 1.5–1.8. Every 0.1 PUE reduction equals ~7% energy saving.

How often should data center fans be replaced?

Premium ball-bearing fans last 60k–80k hours (7–9 years continuous). Monitor tachometer signals and replace proactively if noise/vibration rises.

Is liquid cooling safe? Risk of leaks?

Modern dielectric fluid or cold plate systems include leak detection and quick-disconnect fittings. Very safe for well-planned deployments.

Ready to Solve Your Cooling Challenge

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