Says it fits the am3/am3+ socket... anyone confirm?

no, this is not for am3. You need: https://www.amazon.com/dp/B00TBHYYFK/ref=emc_b_5_t

will it cool a thread ripper 1950X this was the only cooler i could find for a 1950x

Its specifically designed for the larger 1950x but I went with the Noctua NH-U14S which is taller and just fits in my Corsair Med Tower case. Cools excellently

does this fit the crossfire micro board

Please check our mainboard compatibility list for more details. http://noctua.at/en/support/compatibility-lists/mainboard (Noctua.at -> support -> compatibility lists -> mainboard compatibility -> TR4)

Can this be rotated 90 degrees? Want it to blow to the rear instead of top

If you are using this on thredripper, it blows toward the rear. It cannot be rotated

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Noctua NH-U9 TR4-SP3, High-Performance Server/Workstation CPU Cooler

Noctua NH-U9 TR4-SP3, High-Performance Server/Workstation CPU Cooler

Product ID: 82704448

Details

Air Flow Capacity
78.9 cubic per
Brand
Noctua
Compatible Devices
Desktop
Cooling Method
Air
Material
copper (bottom
Maximum Rotational Speed
2000 rpm

🌀78.9 m³/h airflow

🔇22.8 dB ultra-quiet

🖥️125mm compact height

$595.78

Duties & taxes included

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Description

❄️ Cool your powerhouse, silence your workspace.

COMPACT POWERHOUSE - Fits perfectly in 4U cases with a sleek 125mm height—maximize your workstation space without compromise.
WHISPER QUIET DUAL FANS - Dual NF-A9 92mm PWM fans with low-noise adaptors keep your system cool and silent during intense workloads.
AWARD WINNING COOLING MASTERY - Join the elite with a 300+ award-winning design trusted by pros worldwide.
TAILORED FOR THREADRIPPER EPYC - Custom-engineered contact surface optimized for AMD’s high-end CPUs—cool like a boss.
EFFORTLESS INSTALLATION RELIABILITY - Includes premium NT-H1 thermal paste and SecuFirm2 mounting system backed by a 6-year warranty—plug, play, and perform.

The Noctua NH-U9 TR4-SP3 is a high-performance, compact CPU cooler designed specifically for AMD Threadripper and Epyc processors. Featuring dual 92mm PWM fans, a custom large contact surface, and ultra-quiet operation at just 22.8 dB, it fits perfectly in 4U cases with a 125mm height. Backed by over 300 international awards and a 6-year warranty, it delivers reliable, whisper-quiet cooling for professional workstations and servers.

Specifications

ASIN	B074DXFB66
Air Flow Capacity	78.9 cubic meter per hour
Best Sellers Rank	#384 in Computer CPU Cooling Fans
Brand Name	Noctua
Compatible Devices	Desktop
Cooling Method	Air
Customer Reviews	4.7 4.7 out of 5 stars (356)
EU Spare Part Availability Duration	2 years
Global Trade Identification Number	00841501100123, 09010018000122
Included Components	1 Piece
Item Dimensions L x W x H	3.74"L x 4.72"W x 4.92"H
Item Highlight	Compact 125mm 4U Height, Low-Noise Cooling, For Threadripper/Epyc TR4/sTRX4/sWRX8, Dual 92mm Fans, Rich Accessory Kit
Item Type Name	Cooler
Item Weight	1 kg
Manufacturer	Noctua
Material Type	copper (bottom and heat pipes), aluminium (cooling plates), welded & nickel-plated
Maximum Rotational Speed	2000 rpm
Model	NH-U9 TR4-SP3
Noise Level	22.8 db
Number of Items	1
Number of Packs	1
Part Number	NH-U9 TR4-SP3
Power Connector Type	4-Pin
UPC	841501100123
Voltage	12 volts
Warranty Description	6 year manufacturer’s warranty

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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