RTOZWC LGA 2011 Narrow Server Alternatives: 6 Similar Picks Compared

How each alternative compares

TKJBHGPK 2U LGA 2011 Server Cooler

The TKJBHGPK 2U LGA 2011 Server Cooler offers a standard 2U form factor rather than the narrow profile of the RTOZWC unit. It includes RGB lighting, which the RTOZWC cooler lacks. This makes it a better fit for servers where visual customization matters. It is designed specifically for 2U server chassis, so you must ensure your case has the required height. The RTOZWC is better for tight, narrow slots. Choose the TKJBHGPK if you have a standard 2U server build and want lighting features. It provides a practical solution for specific server environments without the constraints of a narrow mount.

KLAWKKNI 2U Passive LGA 2011 Cooler

The KLAWKKNI 2U Passive LGA 2011 Cooler removes fans entirely, relying on chassis airflow. This contrasts with the active cooling of the RTOZWC cooler. It is ideal for builds prioritizing silence over maximum thermal headroom. The KLAWKKNI fits narrow server slots and supports LGA 2011 processors. It features A-RGB lighting, adding a visual element absent in the RTOZWC design. You should pick this if your server case has strong airflow and you want zero noise from the CPU cooler. It is not suitable for high-TDP processors without robust case ventilation. The RTOZWC is better for higher thermal loads due to its active fan.

Dynatron 1U Server LGA 2011 CPU Cooler

The Dynatron 1U Server LGA 2011 CPU Cooler fits into 1U chassis, which is significantly shorter than the RTOZWC cooler. It handles up to 150W TDP, offering more thermal capacity than the 110W RTOZWC unit. This makes it suitable for more powerful Xeon processors in tight 1U servers. The Dynatron includes a fan for active cooling. You should choose this if you are building a 1U server and need higher cooling performance. The RTOZWC is not compatible with 1U height constraints. This option provides better TDP headroom for dense server deployments requiring robust active cooling in minimal space.

Supermicro 2U LGA 2011 Active CPU Cooler

The Supermicro 2U LGA 2011 Active CPU Cooler is designed for high-airflow 2U server builds. It lacks RGB lighting, focusing purely on thermal performance. It is not suitable for quiet desktop environments. The Supermicro heatsink is optimized for Xeon processors requiring significant cooling. It fits standard 2U chassis rather than narrow mounts. You should pick this for enterprise-grade server builds needing reliable active cooling. The RTOZWC is better for narrow slots or lower TDP systems. This cooler provides robust performance for high-load server applications but lacks the visual features and compact form factor of the RTOZWC alternative.

Cryorig C7 RGB Compact Air Cooler

The Cryorig C7 RGB Compact Air Cooler is a desktop cooler, not a server solution. It lacks LGA 2011 socket compatibility, making it unsuitable for your narrow server build. It features RGB lighting and a single-tower design. It fits standard desktop cases but cannot mount to LGA 2011 motherboards. You should only consider this if you are building a desktop system with a different socket. The RTOZWC is the correct choice for LGA 2011 narrow server builds. This cooler offers visual appeal and compactness for desktops but provides no compatibility or cooling solution for the target server hardware.

ARCTIC Freezer i35 A-RGB CPU Cooler

The ARCTIC Freezer i35 A-RGB CPU Cooler is designed for Intel 115x/1200/1700 sockets, not LGA 2011. It is a compact single-tower cooler with four heat pipes. It includes RGB lighting and a 120mm fan. It is suitable for desktop builds requiring easy installation and solid cooling performance. It does not fit LGA 2011 narrow server motherboards. You should pick this for desktop systems with compatible sockets. The RTOZWC is necessary for LGA 2011 server builds. This cooler offers great value for desktop users but lacks the specific socket compatibility and server-grade design required for your narrow server configuration.

Quick picks

Our 7 picks

1 Best overall

RTOZWC LGA 2011 Narrow Server Cooler

Best for: 110W LGA 2011 narrow-socket server builds

Socket Compatibility

LGA 2011 Narrow

TDP Rating

110W

Lighting

NO RGB

View on Amazon: RTOZWC LGA 2011 Narrow Server Cooler Affiliate link

This CPU cooler gives you dedicated thermal management for LGA 2011 narrow sockets. It features a 56mm by 94mm mounting pitch, an integrated cooling fan, and a 110W TDP rating. It suits you if you run server processors within a 110W thermal envelope and need hardware specifically sized for narrow-pitch socket layouts.

Pros

• 110W TDP rating
• 56mm x 94mm mounting pitch
• Dedicated LGA 2011 Narrow socket compatibility
• Integrated cooling fan

Cons

• 110W TDP ceiling restricts higher-wattage CPUs
• Mounting pattern is limited to 56mm x 94mm narrow configurations

Good fit if

• You use a motherboard with a 56mm x 94mm narrow mounting pitch.
• You need cooling for an LGA 2011 narrow processor rated up to 110W.

Skip if

• You run a processor that exceeds a 110W TDP rating.
• You use a standard square LGA 2011 socket rather than a narrow type.

Verdict: RTOZWC LGA 2011 Narrow Server Cooler fits system builders configuring narrow-ILM motherboards with processors operating within a 110W thermal envelope.

2 Best budget

TKJBHGPK 2U LGA 2011 Server Cooler

Best for: LGA 2011 2U server builds

Socket Compatibility

LGA 2011

TDP Rating

110W

Lighting

RGB

System Type

Server

Server Height

2U

View on Amazon: TKJBHGPK 2U LGA 2011 Server Cooler Affiliate link

This is a 2U server cooler designed for LGA 2011 sockets. It handles up to 110W TDP. The unit comes in narrow or square radiator styles. It features RGB lighting for visibility in server racks. This cooler suits users who need a specific form factor for their LGA 2011 hardware. It provides reliable cooling for moderate power loads in a compact 2U chassis.

Pros

• Supports LGA 2011 socket
• Rated for 110W TDP
• Includes RGB lighting
• Available in narrow or square sizes

Cons

• Limited to 110W TDP rating
• Only fits LGA 2011 sockets
• Requires 2U chassis space

Good fit if

• You need a cooler for an LGA 2011 server
• You have a 2U chassis available
• You want RGB lighting for visibility

Skip if

• You use a different CPU socket
• You need a cooler for a desktop PC
• You require support for higher TDP CPUs

Verdict: TKJBHGPK LGA 2011 2U Server Cooler fits users needing a 2U LGA 2011 solution with RGB lighting. It is a practical option for specific server builds.

3 Best premium

KLAWKKNI 2U Passive LGA 2011 Cooler

Best for: 2U server LGA 2011 passive cooling

Socket Compatibility

LGA 2011

Lighting

RGB

System Type

Server

Color

Black

Server Height

2U

Cooling Method

Passive

View on Amazon: KLAWKKNI 2U Passive LGA 2011 Cooler Affiliate link

This KLAWKKNI cooler is a passive server radiator designed for LGA 2011 sockets. It fits 2U chassis and replaces the SNK-P0048PS heatsink. The unit is black and includes RGB lighting. It relies on case airflow rather than a built-in fan. You need a server environment with strong air movement to keep your CPU cool. It suits narrow-type radiator slots.

Pros

• Compatible with LGA 2011 sockets
• Fits 2U server chassis
• Passive cooling design
• Includes RGB lighting

Cons

• No built-in fan for active cooling
• Requires strong case airflow to function
• Limited to passive heat dissipation

Good fit if

• You need a replacement for SNK-P0048PS
• You are building a 2U server
• You have strong case airflow

Skip if

• You need active cooling without case fans
• You are using a desktop PC
• You want a cooler with a built-in fan

Verdict: KLAWKKNI LGA 2011 2U Passive Cooler fits narrow server slots for LGA 2011 builds that rely on chassis airflow.

4 Best 1u

Dynatron 1U Server LGA 2011 CPU Cooler

Best for: 1U LGA2011 server builds

Socket Compatibility

LGA2011

TDP Rating

150 Watts

System Type

Server

Server Height

1U

Features

Fan

Dimensions

5.4 × 2.1 × 4.7 inches

View on Amazon: Dynatron 1U Server LGA 2011 CPU Cooler Affiliate link

The Dynatron R16 is a 1U server CPU cooler designed for LGA2011 sockets. It supports CPUs up to 150W TDP. The base uses a vapor chamber with copper stacked fins. It includes pre-printed Shin-Etsu G751 thermal compound. The unit measures 2.1 inches wide and weighs 13.8 ounces. It suits narrow server builds needing passive cooling support.

Pros

• Supports up to 150W TDP
• Vapor chamber base with copper fins
• Pre-applied Shin-Etsu G751 thermal compound
• Compatible with LGA2011 square socket

Cons

• 1U form factor limits airflow options
• No included fan listed in specs
• Heavy for its small footprint

Good fit if

• You need a 1U cooler for LGA2011
• You require 150W TDP support
• You want pre-applied thermal paste

Skip if

• You need a standard desktop cooler
• You prefer LGA1700 or AM5 sockets
• You need a fan included

Verdict: Dynatron R16 1U Server Cooler fits narrow server chassis requiring LGA2011 support and 150W TDP handling.

5 Also great

Supermicro 2U LGA 2011 Active CPU Cooler

Best for: 2U server chassis with LGA 2011 sockets

Socket Compatibility

LGA 2011 (Square and Narrow ILMs)

Fan Speed

8400 RPM

Dimensions

3.15 × 2.7 × 3.2 inches

Weight

1.9 ounces

View on Amazon: Supermicro 2U LGA 2011 Active CPU Cooler Affiliate link

This Supermicro heatsink targets LGA 2011 sockets for Intel Xeon E5-2600 processors. It uses a copper and aluminum base with heat pipes. The included fan runs at 8400 RPM. This speed generates 52.0 dBA of noise. The unit measures 2.7 by 3.2 by 3.15 inches. You need this for 2U server chassis that require active cooling solutions.

Pros

• Supports LGA 2011 square and narrow ILMs
• 8400 RPM fan speed for high airflow
• Copper and aluminum base with heat pipes

Cons

• 52.0 dBA noise level is loud for office use
• High 8400 RPM fan speed may be too aggressive
• Designed strictly for 2U server chassis applications

Good fit if

• You are building a 2U server with LGA 2011
• You need active cooling for Intel Xeon E5-2600
• You require a replacement for SNK-P0048AP4

Skip if

• You need quiet operation below 40 dBA
• You are using a standard desktop ATX case
• You want RGB lighting or aesthetic features

Verdict: Supermicro LGA 2011 Server Heatsink fits 2U server builds needing high airflow for Xeon processors. It is not suitable for quiet desktop environments.

6 Also great

Cryorig C7 RGB Compact Air Cooler

Best for: Standard desktop cases requiring RGB lighting

Cooler Height

4.53 inches

Lighting

RGB

Dimensions

3.62 × 4.65 × 4.53 inches

Weight

1.17 pounds

View on Amazon: Cryorig C7 RGB Compact Air Cooler Affiliate link

The Cryorig C7 RGB is a single-tower air cooler designed for desktop systems. It measures 4.65 by 4.53 by 3.62 inches and weighs 1.17 pounds. This model features RGB lighting. It is a compact solution for standard cases. It does not fit the narrow LGA 2011 server chassis listed here. You need a specialized 2U server cooler for those specific narrow-type radiators.

Pros

• Single tower design
• RGB lighting included
• Compact 4.65 inch width
• Lightweight 1.17 pound build

Cons

• Not compatible with LGA 2011 narrow server chassis
• Lacks the 56mm x 94mm radiator form factor
• Does not support 2U server mounting standards

Good fit if

• You need a compact air cooler for a standard desktop case
• You want RGB lighting on your CPU cooler
• You are building a system with standard ATX or micro-ATX dimensions

Skip if

• You are building a server with LGA 2011 narrow type radiators
• You require a 2U form factor for rack mounting
• You need a cooler sized 56mm x 94mm

Verdict: Cryorig C7 RGB Single Tower Cooler is a compact desktop air cooler with RGB lighting. It fits standard cases but is not suitable for narrow LGA 2011 server builds.

7 Best 4 heat pipes

ARCTIC Freezer i35 A-RGB CPU Cooler

Best for: Intel 115x/1200/1700 single-tower cooling

Socket Compatibility

Intel 1700, 1200, 115X

Heat Pipes

4

Tower Design

Single-Tower

Fan Size

120 mm

Fan Speed

1700 RPM

Lighting

A-RGB

View on Amazon: ARCTIC Freezer i35 A-RGB CPU Cooler Affiliate link

This single-tower cooler uses four staggered heat pipes to move heat from the CPU to the aluminum fins. A 120 mm fan spins up to 1700 RPM to push air through the stack. It includes 0.8 g of MX-5 thermal paste for direct contact. The design fits Intel 1700, 1200, and 115X sockets. It targets users who need reliable cooling for high-end processors without excessive bulk.

Pros

• Four staggered heat pipes for fast heat transfer
• 120 mm fan reaches 1700 RPM for strong airflow
• Includes 0.8 g of MX-5 thermal paste
• Intel-specific mounting simplifies installation

Cons

• Single-tower design limits cooling capacity for extreme loads
• Only supports Intel sockets, not AMD
• 120 mm fan size is smaller than dual-tower alternatives

Good fit if

• You use an Intel 1700, 1200, or 115X socket
• You want a simple single-tower build
• You need included high-quality thermal paste

Skip if

• You use an AMD processor
• You need dual-tower cooling for high TDP CPUs
• You require a 140 mm or larger fan

Verdict: ARCTIC Freezer i35 A-RGB Single Tower delivers solid cooling for Intel users who prefer a compact single-tower design. It suits those who value easy installation and included thermal paste over maximum cooling headroom.

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Frequently asked questions

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