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Dynatron j5 1u active server CPU cooler, AMD socket sp5 epyc Genoa, copper vapor chamber, 80mm pwm blower, silver
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Description
Item No.
ba1162a7-3e92-4f01-8eb6-b9060f59f17a
Dynatron J5 1U Active Server CPU Cooler (AMD SP5)
1U Active BlowerAMD Socket SP5Copper Vapor ChamberEPYC Genoa
The Dynatron J5 is a 1U active CPU cooler for AMD Socket SP5, the platform used by EPYC Genoa and Bergamo processors. It pairs a copper vapor chamber and stacked-fin heatsink with a high-speed 80mm blower fan, cooling processors rated up to 260W inside just 27mm of height. Part number 88885618, it is engineered for 1U (and taller) rackmount servers where space is extremely tight but ac
Attributes
Aoi Cooler Characteristics
- Supported CPU Sockets: Socket SP5
Details
Dynatron J5 1U Active Server CPU Cooler (AMD SP5)
1U Active BlowerAMD Socket SP5Copper Vapor ChamberEPYC Genoa
The Dynatron J5 is a 1U active CPU cooler forAMD Socket SP5, the platform used by EPYC Genoa and Bergamo processors. It pairs a copper vapor chamber and stacked-fin heatsink with a high-speed 80mm blower fan, cooling processors rated up to 260W inside just 27mm of height. Part number 88885618, it is engineered for 1U (and taller) rackmount servers where space is extremely tight but active airflow is essential. Typically in stock with fast delivery across Cyprus.
Compatibility — check before buying:
For theAMD Socket SP5 (LGA6096) platform only, in 1U or taller rackmount servers. At 27mm tall it is built for 1U chassis; its 80mm blower reaches very high RPM, so it is intended for server environments rather than noise-sensitive desktops. Confirm your EPYC processor’s TDP is within the 260W rating.
Best For
✓1U rackmount servers usingAMD EPYC Genoa / Bergamo
✓High-density compute and datacentre nodes
✓Socket SP5 platforms needing active 1U cooling
✓Builds where a passive heatsink lacks enough airflow
✓Replacing or servicing an existing SP5 1U cooler
✓Edge and HPC nodes prioritising thermal headroom over noise
Key Features
1U Active Blower
A high-static-pressure 80mm blower fan in a 27mm-tall body delivers directed airflow through the fin stack, fitting 1U chassis where taller coolers cannot go.
Copper Vapor Chamber
The copper vapor chamber spreads heat rapidly across the stacked aluminium fins, giving the J5 the capacity to cool EPYC processors up to 260W.
Wide PWM Range
The 4-pin PWM fan scales from 2,000 RPM up to 8,600 RPM, letting the server ramp airflow precisely to CPU load and inlet temperature.
Server-Ready Build
Supplied with pre-applied thermal compound and SP5 mounting, so it drops into rackmount EPYC systems with a consistent, serviceable install.
Technical Specifications
| Identification | |
| Brand | Dynatron |
| Model | J5 |
| Part Number | 88885618 |
| EAN / GTIN | 0859300007901 |
| Type | 1U active server CPU cooler |
| Cooling Performance | |
| CPU Socket | AMD Socket SP5 (for EPYC Genoa / Bergamo) |
| Max TDP | Up to 260W |
| Construction | Copper vapor chamber, stacked aluminium fins |
| Cooling Type | Active (80mm blower) |
| Fan & Physical | |
| Fan | 80 x 80 x 13 mm, 4-pin PWM |
| Fan Speed | 2,000-8,600 RPM |
| Airflow | Up to 26.25 CFM |
| Noise | 23.3-62.2 dBA (load dependent) |
| Dimensions | 118 x 92.4 x 27 mm |
| Weight | 576 g |
| Form Factor | 1U & up |
| General | |
| Warranty | 1-Year Warranty (Singular) |
Frequently Asked Questions
Which processors does the J5 support?
It fits theAMD Socket SP5 platform used by EPYC Genoa and Bergamo processors, cooling parts rated up to 260W.
Is it active or passive?
Active. It uses an 80mm PWM blower fan, making it suitable for 1U chassis that need directed airflow rather than relying purely on the chassis fan wall.
Is it noisy?
Its blower can reach 8,600 RPM (up to 62.2 dBA) under full load, which is normal for 1U server cooling. Via PWM it stays much quieter at lower loads.
Will it fit a desktop tower?
It is designed for 1U rackmount servers. In a standard desktop you would be better served by a tower cooler or AIO; the J5 targets high-airflow server chassis.
Singular Expert Insight
The J5 is Dynatron’s active answer for 1U EPYC nodes, adding a blower where the passive J1/J2 heatsinks would need more chassis airflow than a 1U provides. Choose active (J5) for tight 1U builds and passive models for 2U chassis with strong fan walls. For desktop EPYC or Threadripper workstations, browse the tower options in our CPU coolers range. When speccing a server node, confirm your power supply and airflow match the EPYC CPU you are cooling.
Buyer's Guide
Buy it if
You are building or servicing a 1UAMD EPYC Genoa/Bergamo (SP5) server and need active cooling up to 260W.
Skip it if
You have a 2U chassis with strong airflow (a passive heatsink may suit), a desktop tower, or a non-SP5 platform.
Also consider
A passive Dynatron SP5 heatsink for 2U chassis, or a 1U liquid solution for the very highest-TDP EPYC parts.