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7 Technologist

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10.4K Posts

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September 24th, 2023 23:54

XPS 8950 (LGA1700) vs 8940 (LGA1200) 65w heatsink

I am wondering if Dell redesigned the Z height of LGA1700 heatsink for XPS 8950, Aurora R13 etc. compared to the LGA1200 heatsink DP/N 3HRY2.

MXY5H - Dell XPS 8950 Heatsink

3HRY2 ASSY,HTSNK,MNSTRM,65W,MT,D10.

4 Operator

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2.1K Posts

September 25th, 2023 01:32

It is hard to see 1 millimeter in photos of different scale.

XPS 8940 DP/N 3HRY2

(edited)

7 Technologist

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10.4K Posts

September 25th, 2023 02:38

LGA 1700, it is 78 mm × 78 mm

LGA 1200 it is 75 mm × 75 mm

LGA 1700 has a smaller Z height.  A properly designed heatsink should be < 1mm thicker than LGA 1200.

LGA1700  z-height of 6.529 to 7.532mm

LGA1200  z-height of 7.312 to 8.249mm.

4 Operator

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2.1K Posts

September 25th, 2023 03:50

. . . or the same thickness and a 1mm shorter mounting standoff

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