Looking Beyond the Deal4GO 125W+ 1U CPU Cooling? 6 Alternatives Worth a Look
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The Deal4GO 125W+ 1U CPU Cooling is a targeted replacement for Dell PowerEdge R640, R740, and R740XD servers. It uses a 1U aluminum and copper heatsink with a plastic cage bracket to fit specific rack chassis. This design ensures proper airflow for 125W processors in tight server environments. You should verify your existing bracket model before purchasing, as compatibility depends on your specific server generation.
If you need alternatives for deal4go 125w 1u CPU cooling, consider options with different specifications. Some users may require passive cooling for silent operation, while others need support for legacy LGA1366 or LGA1155 sockets. Other builds might prioritize copper construction or specific Intel Xeon E5-2600 compatibility. The alternatives listed here were chosen because their specs overlap with the original. They offer varied dimensions, materials, and mounting types to suit different server configurations. This guide helps you find the right fit based on your hardware requirements rather than just brand preference.
Our top pick: Deal4GO 1U 125W+ CPU Heatsink.
How these alternatives differ
Supermicro 1U Processor Heatsink
The Supermicro SNK-0032 is significantly larger and heavier than the Deal4GO unit. It measures 10.4 by 7.2 inches and weighs 4 pounds, compared to the Deal4GO’s 9.17 ounces. This mass allows for greater thermal capacity in high-airflow environments. You must ensure your chassis supports this footprint, as it does not fit the Dell-specific plastic cage bracket. Choose this if you need a robust, standard 1U solution for a server rack with strong dedicated fans, rather than a direct drop-in replacement for Dell hardware.
Supermicro 1U Passive Server Heatsink
The Supermicro SNK-P0037P targets legacy systems, specifically those with LGA1366 sockets and Xeon 5500 series processors. It is a passive cooler, meaning it relies entirely on existing chassis airflow rather than a dedicated blower fan. At 12.8 ounces, it is lighter than the Deal4GO but lacks the copper base material found in the Dell replacement. This unit is not suitable for modern 125W CPUs. Select this only if you are maintaining older dual-processor servers and need a precise fit for LGA1366 builds.
Supermicro 1U Passive Server Heatsink
The Supermicro SNK-P0046P is designed for Intel LGA1155 and LGA1150 sockets, making it incompatible with the Dell PowerEdge systems the Deal4GO unit serves. It is a passive, fanless design weighing just 8 ounces. Its compact dimensions of 3.6 by 1.1 inches allow for installation in tight spaces where the larger Deal4GO block might not fit. This option is ideal for users prioritizing silent operation in older 1U servers with adequate airflow, rather than high-performance cooling for modern high-wattage processors.
Supermicro 1U Passive Server CPU Heatsink
The Supermicro SNK-P0042P is a passive heatsink for older AMD server processors in 1U chassis. Weighing 14.4 ounces, it is slightly heavier than the Deal4GO unit but lacks the active cooling component. It does not support Intel sockets or the Dell plastic cage bracket. This cooler is best for legacy AMD builds requiring silent operation within a rack server. If you are upgrading a modern Dell system, this unit will not fit. It is strictly for older AMD-based 1U servers with sufficient passive airflow.
Supermicro 1U LGA 2011 Heatsink
The Supermicro SNK-P0047PS is built for Intel LGA2011 sockets, specifically Xeon E5-2600 series processors. It weighs 0.7 kilograms and measures 4.1 by 1.1 inches. Like other Supermicro passive units, it requires existing chassis airflow and does not include a fan. It is not compatible with Dell PowerEdge R640 or R740 systems. Choose this if you are building or repairing a 1U server with LGA2011 hardware. It offers reliable passive cooling for that specific socket type but cannot replace the Dell-specific Deal4GO module.
Dynatron 1U Copper Blower Heatsink
The Dynatron R13 is a copper-only heatsink for Intel LGA2011 narrow ILM systems with 95W CPUs. It weighs 1.04 pounds and includes pre-applied thermal paste. Unlike the Deal4GO unit, which uses aluminum and copper, this model relies entirely on copper for heat dissipation. It is designed for 95W processors, which is lower than the 125W+ rating of the Deal4GO cooler. This unit is suitable for specific Dell Precision or PowerEdge models using LGA2011 narrow ILM brackets. It provides strong cooling for its target wattage but does not fit standard Dell rack servers.
Quick picks
Our 7 picks
Deal4GO 1U 125W+ CPU Heatsink
Best for: Dell PowerEdge R640 and R740 server cooling
- Material
- Aluminium & Copper
- Server Height
- 1U
- Compatible Device
- Dell PowerEdge R640, R740, R740XD
- Dimensions
- 5.2 x 3.2 x 1 inches
- Mounting Type
- Plastic Cage tray
- Weight
- 9.17 ounces
View on Amazon: Deal4GO 1U 125W+ CPU Heatsink Affiliate link
This 1U heatsink is built for Dell PowerEdge R640, R740, and R740XD servers. It uses an aluminum and copper block to handle 125W+ thermal loads. The unit measures 5.2 by 3.2 by 1 inches and weighs 9.17 ounces. It mounts via a plastic cage bracket, specifically designed for these Dell chassis. You need this module to replace or upgrade cooling in compatible Dell rack servers.
Pros
- Supports 125W+ TDP for high-performance Dell servers
- Constructed from aluminum and copper for efficient heat transfer
- Compact 1U form factor fits standard rack servers
- Includes plastic cage bracket for secure motherboard attachment
Cons
- Requires specific Dell plastic cage bracket for installation
- Limited to compatible Dell PowerEdge and Precision models
- Passive cooling only, relies on server fans
Good fit if
- You own a Dell PowerEdge R640, R740, or R740XD
- You need a direct replacement for the C6R9H heatsink
- You require 1U height for your rack server chassis
Skip if
- You use a non-Dell server platform
- You need active fan control on the heatsink itself
- Your server requires a 2U cooling solution
Verdict: Deal4GO 1U 125W+ CPU Heatsink is the correct replacement for Dell PowerEdge R640, R740, and R740XD systems needing a 1U aluminum and copper cooling block.
Supermicro 1U Processor Heatsink
Best for: 1U server racks with strong airflow
- Server Height
- 1U
- Dimensions
- 10.4 x 7.2 x 4.6 inches
- Weight
- 4 pounds
View on Amazon: Supermicro 1U Processor Heatsink Affiliate link
This is a 1U passive heatsink designed for server environments. It measures 10.4 by 7.2 by 4.6 inches and weighs 4 pounds. The unit relies on case airflow rather than integrated fans. You should consider this if you need a low-profile cooling solution for rack-mounted systems. It fits standard 1U chassis requirements. The design prioritizes compatibility and compact dimensions over active cooling performance.
Pros
- 1U server height profile
- Dimensions of 10.4 x 7.2 x 4.6 inches
- Weight of 4 pounds
- Passive cooling design
Cons
- No integrated fan for active cooling
- Large physical footprint at 10.4 inches long
- Heavy at 4 pounds
Good fit if
- You need a 1U passive heatsink for a server chassis
- You have adequate case airflow to dissipate heat
- You require a standard rack-mountable cooling solution
Skip if
- You need active cooling with an included fan
- You are building a standard desktop PC
- You require a compact low-profile cooler for small cases
Verdict: Supermicro SNK-0032 1U Server Heatsink is a heavy, passive cooling unit for 1U server racks. It suits users who rely on chassis fans for airflow and need a standard 1U form factor.
Supermicro 1U Passive Server Heatsink
Best for: Legacy 1U servers with Xeon 5500 CPUs
- Socket Compatibility
- LGA1366
- Server Height
- 1U
- Cooling Method
- Passive
- Compatible Device
- 1U DP & 10-Blade Servers
- Dimensions
- 3.6 x 25 x 3.6 inches
- Mounting Type
- Screw & Spring
View on Amazon: Supermicro 1U Passive Server Heatsink Affiliate link
This Supermicro unit is a passive 1U heatsink designed for Intel LGA1366 sockets. It supports Xeon 5500 series processors in 1U dual-processor and 10-blade server chassis. The module measures 3.6 by 25 by 3.6 inches and weighs 12.8 ounces. You need screw and spring mounting for installation. It relies entirely on case airflow for cooling.
Pros
- Passive cooling design requires no fan power
- Compatible with Intel LGA1366 socket
- Supports Xeon 5500 series processors
- Fits standard 1U server chassis dimensions
Cons
- Passive cooling limits use to low TDP CPUs
- Only supports the older LGA1366 socket type
- Requires specific server chassis airflow for effectiveness
Good fit if
- You are building a 1U dual-processor server
- You need a replacement for an LGA1366 system
- You use Xeon 5500 series processors
Skip if
- You need active fan cooling for high heat loads
- You use modern sockets like LGA1700 or AM5
- You require silent operation without any case fans
Verdict: Supermicro SNK-P0037P 1U Passive Heatsink is a precise fit for legacy 1U dual-processor servers using Xeon 5500 series chips. It serves as a direct replacement for older LGA1366 builds rather than a modern upgrade.
Supermicro 1U Passive Server Heatsink
Best for: silent 1U server builds with Intel LGA1155
- Socket Compatibility
- LGA1150, LGA1155, LGA1156
- Server Height
- 1U
- Cooling Method
- Passive
- Compatible Device
- X8, X9 1U UP Servers
- Dimensions
- 3.6 x 1.1 x 3.6 inches
- Mounting Type
- Screw Spring, Mounting Bracket
View on Amazon: Supermicro 1U Passive Server Heatsink Affiliate link
This Supermicro SNK-P0046P is a passive 1U heatsink designed for Intel LGA1150, LGA1155, and LGA1156 sockets. It measures 3.6 by 3.6 by 1.1 inches and weighs 8 ounces. The unit includes a screw spring and mounting bracket for secure installation. It suits users needing quiet, fanless cooling for Xeon X3400 or Core i3 series processors in compact 1U server chassis.
Pros
- Passive cooling eliminates fan noise
- Compatible with LGA1150, 1155, and 1156 sockets
- Includes mounting bracket and screw spring
- Compact 1U form factor fits small servers
Cons
- No active fan for high heat loads
- Limited to specific Intel socket generations
- Heatsink-only design requires good case airflow
Good fit if
- You need silent operation for low-power CPUs
- You use an Intel Xeon X3400 or Core i3
- You have a 1U server chassis with airflow
Skip if
- You require active cooling for high TDP parts
- You use AMD or newer Intel sockets
- You need a fan included with the heatsink
Verdict: Supermicro 1U Passive Heatsink for LGA1155 provides reliable fanless cooling for compatible Intel processors in 1U servers. It fits users prioritizing silence and compact size over raw thermal capacity.
Supermicro 1U Passive Server CPU Heatsink
Best for: silent 1U AMD server builds
- Socket Compatibility
- Socket G34, Socket F(1207 Pin)
- Server Height
- 1U
- Cooling Method
- Passive
- Compatible Device
- 10-Blade Server
- Dimensions
- 3.94 x 1.02 x 3.54 inches
- Mounting Type
- Screw and Spring
View on Amazon: Supermicro 1U Passive Server CPU Heatsink Affiliate link
This Supermicro heatsink is a passive 1U solution designed for AMD G34 and Socket F processors. It measures 3.94 by 1.02 by 3.54 inches and weighs 14.4 ounces. The unit uses screw and spring mounting for secure installation. It fits 10-blade server applications. You should choose this if you need a low-profile cooler for older AMD server CPUs.
Pros
- Passive cooling method eliminates fan noise
- Compatible with AMD Socket G34 and Socket F
- Compact 1U form factor fits tight spaces
- Secure screw and spring mounting system
Cons
- Passive design requires strong case airflow
- Limited to older AMD server sockets
- No included fan for active cooling
Good fit if
- You are building a 10-blade server
- You use AMD Opteron 2000 or 8000 series
- You need silent passive cooling
Skip if
- You use Intel LGA sockets
- You need active fan cooling
- You require modern CPU compatibility
Verdict: Supermicro 1U Passive AMD Heatsink is a specialized passive cooler for older AMD server processors. It fits users who need silent operation in 1U server chassis with existing airflow.
Supermicro 1U LGA 2011 Heatsink
Best for: 1U server racks with LGA 2011 sockets
- Socket Compatibility
- LGA2011
- Server Height
- 1U
- Compatible Device
- Intel Xeon Processor E5-2600 Series
- Mounting Type
- Screws & Springs for Narrow ILM
- Dimensions
- 4.1 × 1.1 × 3.2 inches
- Weight
- 0.7 kilograms
View on Amazon: Supermicro 1U LGA 2011 Heatsink Affiliate link
This Supermicro heatsink is built for 1U server chassis and LGA 2011 sockets. It supports Intel Xeon E5-2600 processors. The unit measures 4.1 by 3.2 by 1.1 inches. It weighs 0.7 kilograms. Mounting uses screws and springs for narrow ILM. You need this for compatible server builds. It fits specific rack-mounted systems. It does not fit consumer desktops.
Pros
- Designed for 1U server height
- Compatible with LGA 2011 sockets
- Supports Intel Xeon E5-2600 series
- Uses screws and springs for mounting
Cons
- Limited to LGA 2011 socket only
- Requires specific server chassis space
- No fan included in the heatsink module
Good fit if
- You are building a 1U server
- You use an Intel Xeon E5-2600 CPU
- You need an LGA 2011 compatible cooler
Skip if
- You have a consumer desktop motherboard
- You use a socket other than LGA 2011
- You need a fan included with the heatsink
Verdict: Supermicro 1U LGA 2011 Heatsink is a specialized component for 1U server racks. It fits Intel Xeon E5-2600 builds on LGA 2011 sockets. It is not suitable for standard desktop PCs.
Dynatron 1U Copper Blower Heatsink
Best for: Intel LGA 2011 narrow ILM 95W CPUs
- Socket Compatibility
- Intel Socket 2011 (Narrow ILM)
- Material
- Copper1100
- Server Height
- 1U
- Mounting Type
- Captive Mounting
- Dimensions
- 4.06 × 3.15 × 1.1 inches
- Weight
- 1.04 pounds
View on Amazon: Dynatron 1U Copper Blower Heatsink Affiliate link
This Dynatron R13 is a 1U copper heatsink designed for Intel LGA 2011 sockets with narrow ILM. It uses a Copper1100 block with skiving fins and includes a PWM alloy frame blower. The unit supports CPUs up to 95 watts and comes with pre-applied Shin-Etsu G751 thermal grease. It measures 4.06 by 3.15 by 1.1 inches and weighs 1.04 pounds. It suits servers needing passive cooling for moderate power CPUs.
Pros
- Copper1100 material with skiving fins
- Supports 95W CPU power
- Includes PWM alloy frame blower
- Pre-printed Shin-Etsu G751 thermal grease
Cons
- Limited to 95W TDP
- Only fits Intel LGA 2011 narrow ILM
- Single fan configuration
Good fit if
- You use an Intel LGA 2011 narrow ILM socket
- Your CPU TDP is 95W or less
- You need a 1U form factor heatsink
Skip if
- You have an AMD processor
- Your CPU exceeds 95W TDP
- You require a larger 2U or 3U heatsink
Verdict: Dynatron R13 1U Copper Heatsink fits Intel LGA 2011 narrow ILM systems with 95W CPUs. It provides reliable 1U cooling with pre-applied thermal paste.
Specifications side by side
| Spec | Deal4GO 1U 125W+ CPU Heatsink | Supermicro 1U Processor Heatsink | Supermicro 1U Passive Server Heatsink | Supermicro 1U Passive Server Heatsink | Supermicro 1U Passive Server CPU Heatsink | Supermicro 1U LGA 2011 Heatsink | Dynatron 1U Copper Blower Heatsink |
|---|---|---|---|---|---|---|---|
| Socket Compatibility | not stated | not stated | LGA1366 | LGA1150, LGA1155, LGA1156 | Socket G34, Socket F(1207 Pin) | LGA2011 | Intel Socket 2011 (Narrow ILM) |
| Material | Aluminium & Copper | not stated | not stated | not stated | not stated | not stated | Copper1100 |
| Server Height | 1U | 1U | 1U | 1U | 1U | 1U | 1U |
| Cooling Method | not stated | not stated | Passive | Passive | Passive | not stated | not stated |
| Compatible Device | Dell PowerEdge R640, R740, R740XD | not stated | 1U DP & 10-Blade Servers | X8, X9 1U UP Servers | 10-Blade Server | Intel Xeon Processor E5-2600 Series | not stated |
| Dimensions | 5.2 x 3.2 x 1 inches | 10.4 x 7.2 x 4.6 inches | 3.6 x 25 x 3.6 inches | 3.6 x 1.1 x 3.6 inches | 3.94 x 1.02 x 3.54 inches | not stated | not stated |
| Mounting Type | Plastic Cage tray | not stated | Screw & Spring | Screw Spring, Mounting Bracket | Screw and Spring | Screws & Springs for Narrow ILM | Captive Mounting |
| Weight | 9.17 ounces | 4 pounds | 12.8 ounces | 8 ounces | 14.4 ounces | 0.7 kilograms | 1.04 pounds |
| Model | 1U Cooling Heatsink | SNK-0032 | SNK-P0037P | SNK-P0046P | SNK-P0042P | SNK-P0047PS | R13 |
If you prefer liquid setups, review barrow CPU water cooling block alternatives to compare port and clearance specifications.
Frequently asked questions
Is the Deal4GO 1U heatsink compatible with Supermicro servers?
The Deal4GO unit is designed specifically for Dell PowerEdge R640, R740, and R740XD systems. It is not a direct drop-in replacement for Supermicro chassis. If you use Supermicro hardware, consider the SNK-0032 or SNK-P0037P models, which are built for those specific server lines.
What is the weight difference between the Deal4GO and Supermicro SNK-0032?
The Deal4GO heatsink weighs 9.17 ounces, while the Supermicro SNK-0032 weighs 4 pounds. This significant mass difference indicates the Supermicro unit relies on greater thermal mass for passive cooling. The Deal4GO design is lighter, making it suitable for compact 1U server frames with active airflow.
Can I use these 1U coolers on a standard desktop PC?
No, these units are not suitable for standard desktop PCs. They are specialized components for 1U server racks. For example, the Supermicro LGA 2011 heatsink is explicitly noted as unsuitable for desktop use. You must match the socket and chassis form factor to your server hardware.
Which alternative is best for Intel LGA 1155 processors?
The Supermicro SNK-P0046P is the correct choice for Intel LGA 1155 sockets. It provides passive, fanless cooling for compatible processors in 1U servers. This model prioritizes silence and compact size, measuring 3.6 inches in length and width, making it ideal for builds requiring quiet operation.
Does the Dynatron R13 come with thermal paste?
Yes, the Dynatron R13 1U Copper Heatsink includes pre-applied thermal paste. It is designed for Intel LGA 2011 narrow ILM systems with 95W CPUs. The copper construction and included paste simplify installation, ensuring efficient heat transfer without requiring you to purchase separate thermal compounds.
Which heatsink fits legacy Xeon 5500 series CPUs?
The Supermicro SNK-P0037P serves as a direct replacement for older LGA1366 builds using Xeon 5500 series chips. It is a precise fit for legacy 1U dual-processor servers. This model is not intended as a modern upgrade but rather as a functional replacement for older server hardware.
What is the height of the Deal4GO 1U heatsink?
The Deal4GO 1U 125W+ CPU Heatsink has a height of 1 inch. This strict 1U form factor ensures it fits within standard 1U server chassis dimensions. The unit measures 5.2 inches in length and 3.2 inches in width, providing a compact solution for Dell PowerEdge systems.