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Noctua

Noctua NH-U14S DX-4677 LGA4677 CPU Cooler (Boxed)

SKU 28325 Brand Noctua EAN13 9010018000399
Noctua NH-U14S DX-4677 is a premium single-tower air CPU cooler for Intel LGA4677/4710 Xeon processors. Features enlarged 70x56mm copper base, 6 heatpipes, dual 140mm NF-A15 PWM fans for quiet high performance. Height 165mm, brown.
Cooling (CPU & Case) - Device Type CPU Air Cooler
Cooling (CPU & Case) - Socket Support Intel LGA4677
Cooling (CPU & Case) - Fan Size 140 mm
Cooling (CPU & Case) - Air Cooler Height Over 175 mm
Cooling (CPU & Case) - Lightning None
Cooling (CPU & Case) - Connector 4-Pin PWM
Cooling (CPU & Case) - Color Silver / Grey

The Noctua NH-U14S DX-4677 is a high-end dedicated CPU air cooler designed specifically for Intel's LGA4677 and LGA4710 sockets, used in Xeon 600 series, w9/w7/w5/w3, and 4th gen Xeon Scalable processors. It features a custom enlarged copper contact surface (70x56mm) optimized for the large IHS of these professional CPUs, ensuring superior heat transfer through 6 soldered nickel-plated copper heatpipes to aluminum fins.

Equipped with two award-winning NF-A15 140mm PWM fans in push/pull configuration, it delivers exceptional quiet cooling performance with NSPR rating of 179. The slim 45mm tower design maintains compatibility with tall RAM modules, and the SecuFirm2 mounting system with pre-applied NT-H1 thermal compound makes installation straightforward. Ideal for silent workstations and servers in noise-sensitive environments like audio/video production.

  • Socket: Intel LGA4677/4710 (dedicated)
  • Total height: 165mm (5U rack compatible)
  • Weight (with fans): ~1.03kg
  • Fans: 2x 140mm PWM, up to 1500/1599 RPM, 24.6dB max
  • Includes: PWM splitter, NT-H1 paste, Torx T30 tool
  • Warranty: 6 years
Socket CompatibilityIntel LGA4677, LGA4710
Total Height165 mm
Heatsink Width150 mm
Heatsink Depth111 mm
Weight (with fans)1030 g
Weight (heatsink only)797 g
Fan Configuration2x 140x140x25 mm NF-A15 PWM
Fan Speed1500 RPM (max 1599 RPM)
Max Noise Level24.6 dB(A)
Number of Heatpipes6
Heatpipe Diameter6 mm
Base MaterialCopper (nickel plated)
Fins MaterialAluminium (nickel plated)
Base Size56 x 70 mm
NSPR179
Rack Compatibility5U
Thermal CompoundNT-H1 (pre-applied)
Warranty6 years
Packaging Dimensions230 x 225 x 145 mm
Packaging Weight1800 g
EAN9010018000399