40mm 4-Pin Computer Case Fans

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Fans, Heatsinks & Cooling

102 results

Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)
Brand new · Noctua
(10)
£17.43
Free postage
4 watching
FFB0412EN-00 Delta 40mm Powerful High-Speed Cooling Fan 40X40X28mm 24000RPM Fan
£15.68
Free postage
NIDEC W40S12BGD5-07T08B7 4CM 12V 1.0A Ant APW9 Server Power Fan 4P
Brand new · Unbranded
£29.64
Free postage
1PCS NIDEC W40S12BGD5-07T08B7 4CM 12V 1.0A Ant APW9 Server Power Fan 4P
Brand new · Nidec
£28.10
Free postage
HDD 5.25" bay Cooler with 3x4cm fans. With 5.25" to 3.5" converter.HD-200 BLACK
Brand new
£26.90
£3.20 P&P
18 watching
Noctua NF-A4x10 5V PWM Premium Quiet Fan With Usb Power Adaptor Cable 4-pin BNIB
(1)
£13.99
or Best Offer
£3.50 P&P
Click & Collect
4 watching
Evercool 40mm 4cm 40 x 40 x 20 12 Volt PC case Fan (PWM)
Brand new · EVERCOOL
(3)
£7.99
Free postage
Click & Collect
Evercool 40mm 4cm 40 x 10mm PWM 12 Volt PC case Fan EC4010TH12EP
Brand new · EVERCOOL
£7.49
Free postage
Click & Collect
116 sold
40mm Arctic S4028-15K Fan, Black, Airflow/Pressure Optimised, 5 Blade, Dual Ball
Brand new · Arctic
£13.32
Free postage
Click & Collect
ARCTIC S4028-6K 4cm 40mm PWM Server Fan Continuous Operation 6000rpm RM24 Hr Del
Brand new · Arctic
(2)
£12.97
Free postage
Click & Collect
Only 1 left.
HDD 5.25" bay Cooler with 2x4cm fans. With 5.25" to 3.5" Converter. HDF-2 BLACK
Brand new
£23.90
(£0.01/Unit)
£3.50 P&P
Arctic S4028-6K 40mm 4cm PWM Server Fan Continuous Operation 6000RPM 12V 4-Pin
Brand new · Arctic
(2)
£12.13
Free postage
Click & Collect
ARCTIC 40x40x28 40mm Server fan 250-6000 RPM PWM Regulated 4-pin 12VDC S4028-6K
Brand new · Arctic
(2)
£12.99
(£12.99/Unit)
Free postage
Click & Collect
51 sold
EverCool EC4010M12S DC12V 0.07A 0.84W 40*40*10mm Sleeve Brushless Fan 2Pin
Pre-owned · EVERCOOL
£11.11
£4.20 P&P
Click & Collect
For Gigabyte RX580 Gaming 4G Graphics card cooling fan 85m 40mm 4-Pin 12V
Brand new · Unbranded
£11.50 to £18.97
Free postage
Super High Speed 40mm 4cm Cooling Fan Delta FFB0412EN-00 40X40X28mm Server Fan
Brand new · Unbranded
£18.55
Free postage
Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)
Brand new · Noctua
(2)
£18.12
Free postage
Noctua NF-A4x20 5V PWM 40mm x 20mm Low Noise Premium PC Case Fan 5000 RPM
Brand new · Noctua
(6)
£20.14
Free postage
Click & Collect
72 sold
GM1204PQB1-8A Sunon DC12V 2.6W 40x40x28mm 3-Pin 3-Wire Fan
Excellent - Refurbished · SUNON
£9.95
Free postage
Click & Collect
Refurbished on eBay
Arctic S4028-15K 40mm 4cm PWM Server Fan Continuous Operation 15000RPM 12V 4-Pin
Brand new · Arctic
£13.06
Free postage
Click & Collect
Evercool 40mm 4cm 40 x 15mm PWM 12 Volt PC case Fan EC4015SH12BP
Brand new · EVERCOOL
£7.99
Free postage
Click & Collect
115 sold
Nidec UltraFlo V40S12BUB5-57A05 12Vdc 0.53A 40mm x 28mm 4-Pin 4-Wire Fan IBM
Excellent - Refurbished · Nidec
£9.95
Free postage
Click & Collect
Refurbished on eBay
Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)
Brand new · Noctua
(2)
£17.99
Free postage
Only 1 left.
Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)
Brand new · Noctua
(10)
£17.52
Free postage
Only 1 left.
Noctua NF-A4x20 5V PWM 40mm x 20mm Low Noise Premium PC Case Fan 5000 RPM
Brand new · Noctua
(6)
£21.97
Free postage
Click & Collect
Noctua Nf-a4x10 5v Pwm, Premium Quiet Fan With Usb Power Adaptor Cable, 4-pin,
Brand new · Noctua
(1)
£18.59
Free postage
Only 2 left
Noctua NF-A4x10 PWM 40mm x 10mm Low Noise Premium PC Case Fan 5000 RPM, 19.6 dBA
Brand new · Noctua
£19.61
Free postage
Click & Collect
ARCTIC S4028-15K 4cm 40mm PWM Server Fan Continuous Operation 15000rpm RM24 Del
Brand new · Arctic
£13.47
Free postage
Click & Collect
Only 3 left
San Ace 40 9PH0412P6G04 40mm x 20mm DC12V 0.23A 4-Pin 4-Wire Fan
Excellent - Refurbished · ACE
£14.95
Free postage
Click & Collect
Refurbished on eBay
W40S12BUB5-07 12V 0.53A 4028 4cm 4-wire Server cooling Fan with large Air Volume
Brand new · Nidec
£11.71
Free postage
2 x Pack Noctua NF-A4x20 PWM 40mm x 20mm Low Noise 5000 RPM Premium PC Case Fans
Brand new · Noctua
£39.97
Free postage
Click & Collect
19 sold
San Ace 40 9CRA0412G509 40mm x 55mm DC12V 1.0A 4-Pin 3-Wire Fan
Excellent - Refurbished · ACE
£19.95
Free postage
Click & Collect
Refurbished on eBay
SuperMicro FAN-0087L4 40mm x 55mm DC12V 0.7A 4-pin 4-Wire Fan 9CRA0412P5M06
Excellent - Refurbished · Supermicro
£19.95
Free postage
Click & Collect
Refurbished on eBay
Delta FFB0412UHN-AD1U 40mm x 28mm DC12V 0.75A 4-pin 4-Wire Fan
Excellent - Refurbished · Delta Electronics
£14.95
Free postage
Click & Collect
Refurbished on eBay
Noctua NF-A4x20 5V PWM 40mm x 20mm Low Noise Premium PC Case Fan 5000 RPM
Brand new · Noctua
(6)
£21.00
£3.39 P&P
Click & Collect
BFB0612HB Delta Apple iMac Fan
Excellent - Refurbished · Delta
£6.45
Free postage
Click & Collect
Refurbished on eBay
San Ace 40 109P0412H3323 40mm x 28mm DC12V 0.195A 4-Pin 4-Wire Fan
Excellent - Refurbished · ACE
£19.95
Free postage
Click & Collect
Refurbished on eBay
Sunon PMD1204PQB2-A 40mm x 28mm DC12V 2.4W Fan 4-Pin 4-Wire FN01-6235-3001
Excellent - Refurbished · SUNON
£14.95
Free postage
Click & Collect
Refurbished on eBay
FOXCONN PVA050C12Q 12V 0.24A PWM DC Cooling Fan 4 pin
Brand new · Foxconn
£14.56
Free postage
MSI R9 290X 290 280X 270X 40mm 4Pin GTX780 Twin Frozr Video Card Dual Fan 95mm
Brand new · Unbranded
£19.39
Free postage
PC, HDD 5.25" bay Cooler with 3 x40mm fans retro HDF-3
£11.99
or Best Offer
£18.00 P&P
20 watching
SuperMicro FAN-0100L4 Fan Nidec W40S12BMA5-57 40mm x 28mm 4-Pin 4-Wire
Excellent - Refurbished · Supermicro
£14.95
Free postage
Click & Collect
2 watching
Refurbished on eBay
40mm Noctua NF-A4X10 5V PWM, Beige/Brown, 7 Blade, SSO2 Bearing, 1000-5000RPM, 5
Brand new · Noctua
£21.78
Free postage
Click & Collect
Sanyo Denki SanAce40 9GA0412P3H06 DC12V 0.28A 40mm x 28mm 4-Pin 4-Wire Fan
Excellent - Refurbished · SANYO
£14.95
Free postage
Click & Collect
Refurbished on eBay
San Ace 40 9CRA0412G508 40mm x 55mm DC12V 1.0A 4-Pin 3-Wire Fan
Excellent - Refurbished · ACE
£19.95
Free postage
Click & Collect
Refurbished on eBay
Noctua NF-A4x10 PWM Fan - 40mm BNIB inc VAT
(2)
£18.50
(£18.50/Unit)
or Best Offer
£3.50 P&P
Click & Collect
Sanyo Denki SanAce40 9GA0412P3H03 DC12V 0.28A 40mm x 28mm 4-Pin 4-Wire Fan
Excellent - Refurbished · SANYO
£14.95
Free postage
Click & Collect
Refurbished on eBay
Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)
Brand new · Noctua
(2)
£18.12
Free postage
UNUSED SEALED MANHATTAN CHIPSET COOLER FOR VIDEO CARD . PERHAPS 25 YEARS OLD .
Brand new · Manhattan
£26.72
Free postage
Click & Collect
Delta Electronics EFB0412HHA 40mm x 10mm 3Pin Case Fan
Excellent - Refurbished · Delta
£9.95
or Best Offer
Free postage
Click & Collect
Refurbished on eBay
ARCTIC S4028-6K (5 Pack) - 40x40x28 mm fan, 250-6000 RPM, PWM regulated, 4-pin c
Another great item from Rarewaves | Free UK delivery
Brand new · Arctic
£38.28
Free postage
2 x Pack Noctua NF-A4x10 PWM 5v 40mm x 10mm Low Noise PC Case Fans 5000RPM
Brand new · Noctua
£43.97
Free postage
Click & Collect
40mm Noctua NF-A4x10 PWM Low Noise Fan, 7 Blade, 5000rpm, 8.9CFM Airflow, 19.6dB
Brand new · Noctua
(2)
£21.78
Free postage
Click & Collect
Noctua NF-A4x10 FLX
Brand new · Noctua
(1)
£16.32
or Best Offer
£4.00 P&P
Click & Collect
Adda AD0412HB-B3B 40mm x 28mm DC12V 0.22A 4-Pin 4-Wire Fan
Excellent - Refurbished · ADDA
£19.95
Free postage
Click & Collect
Refurbished on eBay
NF-A4x10 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin,
Brand new · Noctua
(1)
£20.47
Free postage
Click & Collect
Cooler Master DF0401012RFMN 12V 0.16A 40*40*10MM 4CM 4wires Cooling Fan
£8.34
Free postage
Noctua NF-A4x10 5V PWM fan - 40mm
Brand new · Noctua
£20.99
Free postage
Click & Collect
Nidec W40S12BMD5-07T048 0805G 4028 12V 0.64A 4-wire PWM Ant Power Cooling Fan
Brand new · Unbranded
£25.10
Free postage
2 x Pack of Noctua NF-A4x20 5V PWM 40mm x 20mm Premium PC Case Fans 5000RPM
Brand new · Noctua
(6)
£39.97
Free postage
Click & Collect

Best selling

See all

ARCTIC S4028-6K 40mm Single Pack Case Fan (ACFAN00185A)
(2)
£12.13 New
Noctua Nf-a4x20 5v PWM 40mm Chipset Fan
(6)
£17.85 New
Noctua Nf-a4x10 PWM Premium Quiet Fan 4-pin 40x10mm Brown
(2)
£17.99 New
Noctua Nf-a4x20 PWM 40mm X 20mm 4-pin Fan
(10)
£17.43 New
£11.12 Used
ARCTIC S4028-15K - 40 mm Server Fan - ACFAN00264A
£13.06 New
Noctua Nf-a4x10 5v PWM 40mm X 10mm Low Noise Premium PC Case Fan 5000 RPM
£17.85 New

40mm 4-Pin Computer Case Fans

Shop by category

102 results

Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)

FFB0412EN-00 Delta 40mm Powerful High-Speed Cooling Fan 40X40X28mm 24000RPM Fan

NIDEC W40S12BGD5-07T08B7 4CM 12V 1.0A Ant APW9 Server Power Fan 4P

1PCS NIDEC W40S12BGD5-07T08B7 4CM 12V 1.0A Ant APW9 Server Power Fan 4P

HDD 5.25" bay Cooler with 3x4cm fans. With 5.25" to 3.5" converter.HD-200 BLACK

Noctua NF-A4x10 5V PWM Premium Quiet Fan With Usb Power Adaptor Cable 4-pin BNIB

Evercool 40mm 4cm 40 x 40 x 20 12 Volt PC case Fan (PWM)

Evercool 40mm 4cm 40 x 10mm PWM 12 Volt PC case Fan EC4010TH12EP

40mm Arctic S4028-15K Fan, Black, Airflow/Pressure Optimised, 5 Blade, Dual Ball

ARCTIC S4028-6K 4cm 40mm PWM Server Fan Continuous Operation 6000rpm RM24 Hr Del

HDD 5.25" bay Cooler with 2x4cm fans. With 5.25" to 3.5" Converter. HDF-2 BLACK

Arctic S4028-6K 40mm 4cm PWM Server Fan Continuous Operation 6000RPM 12V 4-Pin

ARCTIC 40x40x28 40mm Server fan 250-6000 RPM PWM Regulated 4-pin 12VDC S4028-6K

EverCool EC4010M12S DC12V 0.07A 0.84W 40*40*10mm Sleeve Brushless Fan 2Pin

For Gigabyte RX580 Gaming 4G Graphics card cooling fan 85m 40mm 4-Pin 12V

Super High Speed 40mm 4cm Cooling Fan Delta FFB0412EN-00 40X40X28mm Server Fan

Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

Noctua NF-A4x20 5V PWM 40mm x 20mm Low Noise Premium PC Case Fan 5000 RPM

GM1204PQB1-8A Sunon DC12V 2.6W 40x40x28mm 3-Pin 3-Wire Fan

Arctic S4028-15K 40mm 4cm PWM Server Fan Continuous Operation 15000RPM 12V 4-Pin

Evercool 40mm 4cm 40 x 15mm PWM 12 Volt PC case Fan EC4015SH12BP

Nidec UltraFlo V40S12BUB5-57A05 12Vdc 0.53A 40mm x 28mm 4-Pin 4-Wire Fan IBM

Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)

Noctua NF-A4x20 5V PWM 40mm x 20mm Low Noise Premium PC Case Fan 5000 RPM

Noctua Nf-a4x10 5v Pwm, Premium Quiet Fan With Usb Power Adaptor Cable, 4-pin,

Noctua NF-A4x10 PWM 40mm x 10mm Low Noise Premium PC Case Fan 5000 RPM, 19.6 dBA

ARCTIC S4028-15K 4cm 40mm PWM Server Fan Continuous Operation 15000rpm RM24 Del

San Ace 40 9PH0412P6G04 40mm x 20mm DC12V 0.23A 4-Pin 4-Wire Fan

W40S12BUB5-07 12V 0.53A 4028 4cm 4-wire Server cooling Fan with large Air Volume

2 x Pack Noctua NF-A4x20 PWM 40mm x 20mm Low Noise 5000 RPM Premium PC Case Fans

San Ace 40 9CRA0412G509 40mm x 55mm DC12V 1.0A 4-Pin 3-Wire Fan

SuperMicro FAN-0087L4 40mm x 55mm DC12V 0.7A 4-pin 4-Wire Fan 9CRA0412P5M06

Delta FFB0412UHN-AD1U 40mm x 28mm DC12V 0.75A 4-pin 4-Wire Fan

Noctua NF-A4x20 5V PWM 40mm x 20mm Low Noise Premium PC Case Fan 5000 RPM

BFB0612HB Delta Apple iMac Fan

San Ace 40 109P0412H3323 40mm x 28mm DC12V 0.195A 4-Pin 4-Wire Fan

Sunon PMD1204PQB2-A 40mm x 28mm DC12V 2.4W Fan 4-Pin 4-Wire FN01-6235-3001

FOXCONN PVA050C12Q 12V 0.24A PWM DC Cooling Fan 4 pin

MSI R9 290X 290 280X 270X 40mm 4Pin GTX780 Twin Frozr Video Card Dual Fan 95mm

PC, HDD 5.25" bay Cooler with 3 x40mm fans retro HDF-3

SuperMicro FAN-0100L4 Fan Nidec W40S12BMA5-57 40mm x 28mm 4-Pin 4-Wire

40mm Noctua NF-A4X10 5V PWM, Beige/Brown, 7 Blade, SSO2 Bearing, 1000-5000RPM, 5

Sanyo Denki SanAce40 9GA0412P3H06 DC12V 0.28A 40mm x 28mm 4-Pin 4-Wire Fan

San Ace 40 9CRA0412G508 40mm x 55mm DC12V 1.0A 4-Pin 3-Wire Fan

Noctua NF-A4x10 PWM Fan - 40mm BNIB inc VAT

Sanyo Denki SanAce40 9GA0412P3H03 DC12V 0.28A 40mm x 28mm 4-Pin 4-Wire Fan

Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

UNUSED SEALED MANHATTAN CHIPSET COOLER FOR VIDEO CARD . PERHAPS 25 YEARS OLD .

Delta Electronics EFB0412HHA 40mm x 10mm 3Pin Case Fan

ARCTIC S4028-6K (5 Pack) - 40x40x28 mm fan, 250-6000 RPM, PWM regulated, 4-pin c

2 x Pack Noctua NF-A4x10 PWM 5v 40mm x 10mm Low Noise PC Case Fans 5000RPM

40mm Noctua NF-A4x10 PWM Low Noise Fan, 7 Blade, 5000rpm, 8.9CFM Airflow, 19.6dB

Noctua NF-A4x10 FLX

Adda AD0412HB-B3B 40mm x 28mm DC12V 0.22A 4-Pin 4-Wire Fan

NF-A4x10 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin,

Cooler Master DF0401012RFMN 12V 0.16A 40*40*10MM 4CM 4wires Cooling Fan

Noctua NF-A4x10 5V PWM fan - 40mm

Nidec W40S12BMD5-07T048 0805G 4028 12V 0.64A 4-wire PWM Ant Power Cooling Fan

2 x Pack of Noctua NF-A4x20 5V PWM 40mm x 20mm Premium PC Case Fans 5000RPM

Best selling

ARCTIC S4028-6K 40mm Single Pack Case Fan (ACFAN00185A)

Noctua Nf-a4x20 5v PWM 40mm Chipset Fan

Noctua Nf-a4x10 PWM Premium Quiet Fan 4-pin 40x10mm Brown

Noctua Nf-a4x20 PWM 40mm X 20mm 4-pin Fan

ARCTIC S4028-15K - 40 mm Server Fan - ACFAN00264A

Noctua Nf-a4x10 5v PWM 40mm X 10mm Low Noise Premium PC Case Fan 5000 RPM

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