About this item
- Classic 120mm slim-tower design with 5 heatpipes combines excellent cooling performance with outstanding compatibility, ideal for quiet workstations in noise sensitive applications (A/V, engineering, etc.)
- Supports both E1 (LGA4677-1) and E2 (LGA4710-2) socket Intel Xeon processors; CPU carrier frame required (included with boxed retail CPUs and available separately for tray CPUs)
- Highly optimised dual NF-A12x25 fans in push/pull configuration with PWM support for automatic speed control through the motherboard: silent at idle, full performance when necessary
- Pre-applied award-winning NT-H1 thermal compound and easy, straightforward installation with included Torx T30 mounting tool
Product description
Noctua’s DX line CPU coolers have become a default choice in premium grade quiet cooling solutions for Intel Xeon processors. The NH-U12S DX-4677 features a larger, custom-designed contact surface for LGA4677 platforms. Based on the proven, 120mm size NH-U12S heatsink and equipped with two of Noctua’s award-winning, PWM controlled NF-A12x25 120mm fans, it provides an excellent balance of performance, compatibility and quietness of operation. Topped off with the professional SecuFirm2 mounting system and pre-applied NT-H1 thermal compound, the NH-U12S DX-4677 forms a complete premium quality package for quietly cooling LGA4677 based Xeon workstations and servers.
Enlarged contact surface
At 70x56mm, the heatsink’s copper contact surface is more than double the size of the standard model. Tailored to fit the enormous integrated heat-spreaders (IHS) of Intel’s LGA4677-based processors, this customised design allows for an optimal heat flow from the CPU over the base to the heatpipes and on to the cooling fins.
Dual NF-A12x25 PWM fans
The NH-U12S DX-4677 is equipped with two of Noctua’s award-winning, next-generation NF-A12x25 120mm fans. This exquisite, state-of-the art push/pull dual fan configuration allows it to achieve a remarkable level of quiet cooling performance despite its relatively compact size.
Pre-applied NT-H1 thermal compound
Noctua’s much-acclaimed NT-H1 is a pro-grade TIM solution that provides minimum thermal resistance and outstanding long-term stability. Having the paste pre-applied to the heatsink base ensures optimal bond-line thickness and saves precious time in installation. Ideal for system integrators!
Compatible with E1A, E1B and E1C carrier frames
LGA4677 processors require plastic CPU carrier frames for installation, which are included with retail boxed CPUs and available separately via Intel sales partners for tray CPUs. The SecuFirm2 mounting for LGA4677 is compatible with all types of carriers (E1A, E1B, E1C).
Measurements
- Height (without fan): 158 mm
- Width (without fan): 125 mm
- Depth (without fan): 45 mm
- Height (with fan): 158 mm
- Width (with fan): 125 mm
- Depth (with fan): 97 mm
- Weight (without fan): 626 g
- Weight (with fan/s): 1018 g
Materials
Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Cooler SpecificationSocket compatibility
Please note that the NH-U12S DX-4677 is a dedicated version for the Intel LGA4677 socket. Due to its customised larger base, it cannot be used on smaller sockets and is incompatible with Noctua’s mounting kits for these sockets. Please refer to our socket compatibility overview for details.
Scope of delivery
- 2x NF-A12x25 PWM premium fan
- NA-YC1 4-pin PWM y-cable
- NT-H1 high-grade thermal compound (pre-applied)
- SecuFirm2 mounting kit for LGA4677
- NM-SMT5 Torx T30 mounting tool
Customised for LGA4677
The new DX-4677 line coolers are dedicated, customised solutions for Intel’s professional LGA4677 platform, which makes them an ideal fit for both 4th generation Xeon Scalable CPUs (Platinum, Gold, Silver or Bronze) and w9, w7, w5 or w3 series Xeon processors for workstations.
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