6 Best Alternatives to the Dynatron R13 Copper Heatsink 2 (2026)

Latest update: October 12, 2026

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You are looking for dynatron r13 copper heatsink 2 alternatives because the original unit has specific limitations. The Dynatron R13 provides active cooling for 95-watt Intel Socket 2011 processors in 1U servers. It uses a pure copper skived fin design with an integrated PWM blower. This setup works well if you need directed airflow for a Narrow ILM socket. However, you might need a different TDP rating or socket type. Some builds require passive cooling or AMD support. Others need higher thermal capacity for modern Xeon CPUs.

The 6 products on this list were chosen because their specs overlap with the original. We compared dimensions, socket compatibility, and cooling methods. You will find options for LGA 2011, LGA 2066, FCLGA 3647, and AM4 sockets. Some alternatives use vapor chambers for better heat spread. Others remain passive to rely on chassis fans. This guide helps you find a cooler that matches your exact server height and processor requirements without guessing.

Our top pick: Dynatron 1U Copper Blower Heatsink.

How Each Alternative Compares

SilverStone 1U Passive Copper Server Heatsink

The SilverStone SST-XE01-2011 is a passive copper heatsink designed for 1U Intel LGA 2011 and 2066 sockets. It measures 3.54 by 3.54 inches with a height of 1.02 inches. Unlike the Dynatron R13, it lacks an integrated blower fan. You must rely on your server chassis to provide forced airflow across the fins. It weighs 1.08 pounds. This option suits you if your rack already has strong case fans. It removes the noise and power draw of a PWM blower. Choose this alternative when you prefer silent operation and have adequate chassis ventilation to support passive cooling effectively.

Dynatron 1U Passive Vapor Chamber Heatsink

The Dynatron R31 uses a vapor chamber base instead of skived copper fins. It supports 165W TDP processors, which is significantly higher than the R13's 95W limit. This passive heatsink fits Narrow ILM LGA 2011 sockets in 1U racks. Its dimensions are 2.4 by 5.2 inches with a height of 4.5 inches. It weighs only 7.94 ounces. The vapor chamber spreads heat more efficiently across the fin array. You should pick this unit if your server has sufficient airflow but needs to handle hotter CPUs. It drops the active fan requirement while increasing thermal capacity for demanding workloads in tight spaces.

Dynatron 1U Copper Vapor Chamber Server Heatsink

The Dynatron B4A targets Intel FCLGA 3647 Narrow ILM processors instead of LGA 2011. It uses a copper vapor chamber for thermal transfer. This heatsink measures 3.1 by 4.2 inches with a height of 1 inch. It weighs 1.06 pounds. It is designed for high-density 1U racks. You need this alternative if your server uses the newer LGA 3647 socket. The vapor chamber design offers improved heat spreading compared to traditional fin stacks. It maintains a low profile suitable for 1U enclosures. This option is best for users upgrading from older sockets who require a compact, passive solution for modern Intel Xeon processors.

Dynatron 1U AM4 Copper Passive Heatsink

The MITXPC A37 is built for AMD AM4 sockets, not Intel LGA 2011. It is a passive copper heatsink for 1U servers. Its dimensions are 3 by 5 inches with a height of 1 inch. It lacks an integrated fan. You must ensure your chassis provides directed airflow. This unit is ideal for AMD-based 1U builds. It differs from the R13 by supporting a completely different processor architecture. Choose this alternative if you are building or maintaining an AMD AM4 server in a 1U rack. It offers reliable passive cooling for AMD platforms where the original Dynatron R13 is incompatible due to socket mismatch.

Supermicro 1U LGA 2011 Heatsink

The Supermicro SNK-P0047PS is a dedicated 1U heatsink for Narrow ILM LGA 2011 Xeon systems. It measures 3.2 by 4.1 inches with a height of 1.1 inches. It weighs 0.7 kilograms. This unit is engineered for direct fit with Supermicro rack mount and blade hardware. It differs from the R13 by focusing on compatibility with specific Supermicro platforms. You should select this alternative if you are replacing a failed unit in a Supermicro server. It provides a standardized thermal solution for Narrow ILM Xeon processors. This option ensures proper mounting and airflow alignment for existing Supermicro infrastructure without modification.

Dynatron 1U Active AM4 Copper Heatsink

The Dynatron A18 is an active copper heatsink for AMD AM4 processors in 1U servers. It measures 3 by 5 inches with a height of 1 inch. It weighs 1.1 pounds. Unlike the R13, it supports AMD sockets rather than Intel LGA 2011. It includes active airflow for cooling. You need this alternative if your server uses AMD AM4 CPUs. It provides a specialized cooling solution for single-socket AMD builds in tight chassis. This option is best for users who require active cooling for AMD platforms in 1U enclosures. It offers a direct fit for AM4 sockets where the original Dynatron R13 cannot be installed due to socket incompatibility.

Quick picks

#	Product	Best for	Price
1	Dynatron 1U Copper Blower Heatsink Best overall	1U Intel Socket 2011 Narrow ILM servers	Check price of Dynatron 1U Copper Blower Heatsink on Amazon
2	SilverStone 1U Passive Copper Server Heatsink Best budget	1U Intel servers with forced chassis airflow	Check price of SilverStone 1U Passive Copper Server Heatsink on Amazon
3	Dynatron 1U Passive Vapor Chamber Heatsink Also great	1U Narrow ILM LGA 2011 passive servers	Check price of Dynatron 1U Passive Vapor Chamber Heatsink on Amazon
4	Dynatron 1U Copper Vapor Chamber Server Heatsink Best premium	1U Intel FCLGA 3647 rackmount servers	Check price of Dynatron 1U Copper Vapor Chamber Server Heatsink on Amazon
5	Dynatron 1U AM4 Copper Passive Heatsink Also great	1U passive AMD AM4 rackmount builds	Check price of Dynatron 1U AM4 Copper Passive Heatsink on Amazon
6	Supermicro 1U LGA 2011 Heatsink Also great	1U Narrow ILM LGA 2011 Xeon servers	Check price of Supermicro 1U LGA 2011 Heatsink on Amazon
7	Dynatron 1U Active AM4 Copper Heatsink Best active	1U AMD AM4 server builds	Check price of Dynatron 1U Active AM4 Copper Heatsink on Amazon

Our 7 picks

Best overall

Dynatron 1U Copper Blower Heatsink

Best for: 1U Intel Socket 2011 Narrow ILM servers

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

This 1U server cooler combines a solid Copper1100 skived-fin heatsink with an integrated dual-ball-bearing alloy frame blower. It measures 1.1 inches tall, making it fit standard 1U rackmount enclosures. The unit supports Intel Socket 2011 processors with Narrow ILM mounting and handles thermal design power up to 95 watts. It suits you if you need compact active cooling, pre-applied Shin-Etsu G751 thermal grease, and secure captive mounting for your server build.

Pros

Copper1100 construction with skived fins
Integrated PWM alloy frame blower with two ball bearings
Pre-printed Shin-Etsu G751 thermal grease
Compact 1.1-inch height for 1U server enclosures

Cons

Supports thermal design power up to 95 watts only
Limited specifically to Intel Socket 2011 Narrow ILM

Good fit if

You use an Intel Socket 2011 Narrow ILM motherboard with a CPU up to 95 watts.
You need active cooling within a 1.1-inch vertical height limit in a 1U chassis.

Skip if

You run a processor that draws more than 95 watts.
You use an AMD socket or a standard Square ILM Intel motherboard.

Verdict: Dynatron 1U Copper Heatsink with Blower delivers dedicated active cooling for 95-watt Intel Socket 2011 Narrow ILM setups in space-constrained 1U servers. Its pure copper skived fins and integrated PWM blower handle heat dissipation directly without depending on passive chassis airflow.

Best budget

SilverStone 1U Passive Copper Server Heatsink

Best for: 1U Intel servers with forced chassis airflow

Socket Compatibility: LGA2011/2066
Material: Copper skived-fin and copper base
Server Height: 1U
Cooling Method: Passive
System Type: Server
Dimensions: 3.54 × 3.54 × 1.02 inches

View on Amazon: SilverStone 1U Passive Copper Server Heatsink

This SilverStone unit is a 1U server heatsink designed for passive cooling in rackmount chassis. It features an all-copper build with skived fins and a solid copper base. At 26mm tall and weighing 1.08 pounds, it fits compact 1U enclosures with Intel LGA 2011 or LGA 2066 sockets. If your server rack supplies forced chassis airflow across the CPU socket, this cooler provides direct thermal transfer without moving parts.

Pros

Low-profile 26mm height fits 1U server chassis
Copper skived-fin array with solid copper base
Passive design operates without mechanical fan failure points
Direct compatibility with Intel LGA 2011 and LGA 2066 sockets

Cons

Requires high-velocity chassis fans for adequate airflow
Restricted to Intel LGA 2011 and LGA 2066 platforms without AMD support

Good fit if

You need a low-profile heatsink under 27mm for a 1U rackmount chassis.
You run an Intel LGA 2011 or LGA 2066 processor with forced chassis airflow.
You prefer an all-copper passive design to avoid onboard fan maintenance.

Skip if

You use an AMD CPU or a different Intel socket generation.
You need an active cooler with an integrated blower fan.
Your chassis lacks directed internal duct airflow across the CPU socket.

Verdict: SilverStone 1U Passive Copper CPU Cooler delivers a compact, all-copper thermal solution for 1U Intel LGA 2011 and 2066 servers. It is a solid choice when your rack chassis provides sufficient forced airflow to support passive heatsinks.

Also great

Dynatron 1U Passive Vapor Chamber Heatsink

Best for: 1U Narrow ILM LGA 2011 passive servers

Socket Compatibility: Narrow ILM Socket LGA2011
Material: Copper, Aluminum
Server Height: 1U
Cooling Method: Passive
Dimensions: 5.2 x 2.4 x 4.5 inches
Mounting Type: Captive screw

View on Amazon: Dynatron 1U Passive Vapor Chamber Heatsink

This Dynatron unit is a 1U passive heatsink built for Narrow ILM LGA 2011 sockets. You get a copper vapor chamber paired with aluminum stacked fins rated for processors up to 165 watts TDP. It features pre-printed Shin-Etsu 7762 thermal grease and captive screw mounting. It suits you if you run a 1U chassis with dedicated server airflow and need Narrow LGA 2011 socket support.

Pros

Supports up to 165W TDP dissipation
Copper vapor chamber with aluminum stacked fins
Pre-printed Shin-Etsu 7762 thermal grease
Captive screw mounting hardware

Cons

No integrated fan or blower included
Restricted to Narrow ILM LGA 2011 mounting
Requires high-airflow chassis fans for passive operation

Good fit if

You use a server board with a Narrow ILM LGA 2011 socket.
You need passive heat dissipation rated up to 165 watts TDP.
You have dedicated chassis fans providing airflow across a 1U rack.

Skip if

You use a Square ILM socket or consumer desktop socket.
You require an active heatsink with an onboard fan.

Verdict: Dynatron 1U Passive Vapor Chamber Heatsink delivers 165W TDP thermal dissipation for 1U racks using Narrow ILM LGA 2011 sockets. Its vapor chamber base and pre-applied thermal grease make it an effective passive server option.

Best premium

Dynatron 1U Copper Vapor Chamber Server Heatsink

Best for: 1U Intel FCLGA 3647 rackmount servers

Socket Compatibility: FCLGA 3647 Narrow ILM
Material: Copper with vapor chamber base
Server Height: 1U
Dimensions: 108.0 x 81.0 x 27.0 mm
System Type: Server
Weight: 1.06 pounds

View on Amazon: Dynatron 1U Copper Vapor Chamber Server Heatsink

This is a 1U server heatsink designed for Intel Xeon Platinum and Gold processors on socket FCLGA 3647 Narrow ILM. It measures 108.0 by 81.0 by 27.0 mm and weighs 1.06 pounds. Built with a vapor chamber base and stacked copper fins, it fits compact rackmount chassis that use external chassis airflow. You will find it suits high-density 1U server builds requiring enterprise socket hardware.

Pros

Vapor chamber base with copper stacked fins
Low 27.0 mm height fits 1U server enclosures
Designed for Intel FCLGA 3647 Narrow ILM sockets
Compact footprint measuring 108.0 x 81.0 mm

Cons

No integrated cooling fan or blower included
Socket compatibility limited to FCLGA 3647 Narrow ILM

Good fit if

You need a 1U heatsink for an Intel FCLGA 3647 Narrow ILM processor.
You run a rackmount system with existing forced-air cooling.

Skip if

You need an integrated blower or attached cooling fan.
You use standard desktop or Square ILM server sockets.

Verdict: Dynatron 1U Copper Vapor Chamber Server Heatsink provides a compact 27.0 mm copper cooling solution for high-density 1U racks. It delivers targeted thermal transfer specifically for Intel FCLGA 3647 Narrow ILM processors.

Also great