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Noctua NH-D9DX i4 3U — front view showing dual fin stacks and NF-A9 fan
Cooler

Noctua NH-D9DX i4 3U — LGA 2011 Square-ILM

cooler LGA2011

Used cooler — cosmetic wear, minor scuffs, light dust residue. Some fins are slightly bent, which doesn’t affect thermal performance. Fan spins freely, no cracks, no broken parts. This isn’t a display piece, and it’s documented as-is.

Mounting this cooler requires a 2.5mm hex / Allen key that isn’t included, and there’s no original box, accessories, or thermal paste — just the heatsink, fan, and Square-ILM bracket, pulled straight off a working dual-socket Xeon system.

Pulled from the same Z10PE-D16 build — read the full teardown on the blog.

Read the deep-dive

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Full Specifications

Model

Noctua NH-D9DX i4 3U

Fan

Noctua NF-A9 92mm PWM (attached)

Socket

LGA 2011 Square-ILM compatible

CPU Support

Intel Xeon E5 v3 / v4 (LGA 2011-3)

Height

110mm (95x95mm footprint) — fits 3U and taller chassis

Mounting Hardware

Square-ILM bracket included

Condition

Used — some cosmetic wear, minor fin bends, fan spins freely

Allen Key

Not included — needs a 2.5mm hex key, sourced separately

Thermal Paste

Not included

Original Box

Not included