would anyone recommend this fan for a 3d printer hontend/part cooling fan?

Yes, we'd recommend using this fan for your 3d printer. (Please note that this is a 12V DC fan.)

What is de difference between noctua nf-a4x20 pwm and noctua nf-a4x20 flx?

one fan is pwm controllable (pwm), the other is not (flx). PWM controlling: https://en.wikipedia.org/wiki/Computer_fan_control

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Noctua NF-A4x20 PMW 静音ファン 40mm

Product ID: 728787452

Details

ブランド
Noctua
冷却方法
空気
商品の寸法
40長さ x 40幅 x
対応デバイス
サーバ
最大回転速度
5000 毎分回転数
材質

⏳150,000+ hours MTTF durability

🌀5000 RPM max speed

🔇Ultra-quiet 14.9 dB(A)

$57.69

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Description

🌀 Stay cool, stay ahead — the silent powerhouse your setup deserves!

BUILT TO LAST - Award-winning design with >150,000 hours MTTF ensures your investment runs reliably day and night.
SMART PWM CONTROL - 4-pin PWM connector enables automatic speed adjustment for optimal cooling and energy efficiency.
COMPACT YET MIGHTY - 40x40x20mm size fits perfectly in tight 1U servers, routers, NAS, and DVRs without compromise.
PRECISION COOLING POWER - Max airflow of 9.4 m³/h keeps your server and network gear chill under pressure.
WHISPER QUIET OPERATION - Experience near-silent performance at just 14.9 dB(A) — because productivity deserves peace.

The Noctua NF-A4x20 PMW is a premium 40mm computer fan engineered for ultra-quiet, high-performance cooling. Featuring a max speed of 5000 RPM, advanced acoustic optimization, and a compact form factor, it’s ideal for 1U servers, network devices, and storage equipment. With a 4-pin PWM connector for smart speed control and an impressive lifespan exceeding 150,000 hours, this fan delivers reliable, whisper-quiet airflow to keep your critical hardware running smoothly.

Specifications

ASIN	B071W93333
Amazon 売れ筋ランキング	パソコン・周辺機器 - 60,409位 ( パソコン・周辺機器の売れ筋ランキングを見る ) ケースファン - 488位
UPC	841500110109
おすすめ度	4.8 5つ星のうち4.8 (1,952) var
ブランド名	Noctua
メーカー名	Noctua
メーカー型番	NF-A4x20 PWM
モデル番号	NF-A4x20 PWM
ユニット数	1.0 個
冷却方法	空気
品目寸法（L x W x H）	40長さ x 40幅 x 20高さ mm
商品の入り数	1
対応アイテム	サーバ
最大回転速度	5000 毎分回転数
空気流量	9.4 立方メートル/時
素材	ファイバーグラス強化PBT。
電圧（ボルト）	12 ボルト
電源コネクタタイプ	4ピン
騒音レベル	14.9 デシベル

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$57.69

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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