Dell R640/R740/R840 XD Low Profile High Performance Heatsink

Marsoni

M251S

$29.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Dell R640/R740/R840 XD Low Profile High Performance HeatsinkItem Attributes Manufacturer Dell HS 01 Model R640,R740,R740xd, R840 HS 02 Performance High Performance HS 03 Generation 14 Visibility Visible Individually Dell Part Numbers C6R9H NetSuite Name DSP HS R640 R740 R840 XD LP HP Avalara Tax Code PC070000 Item Message Label Item Message

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I normally wear size 13&half to 14 men's, and these fit me ok. They sit just below the ankle. They can get a little tight for me so you should look out for that if you are on the thicker side. But they work as advertised and help moisturize your feet. I recommend wearing them if you're going to just be hanging around home for a bit in one spot as they can be a little slippery to walk in if you go fast. Would not recommend going up and down stairs.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on August 28, 2025

Verified Purchase

Brian

Massapequa, US

★★★★★ 5

Good socks

Size: 1 pair black L

Good socks

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Reviewed in the United States on May 6, 2026

Verified Purchase

Amazon Customer

Charlottesville, US

★★★★★ 3

REALLY unsafe to walk around in these

Size: 2 pairs black L

They do what they are expected to do, but should only be used if you are stationary. The gel base makes for very unstable footing if walking around

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Reviewed in the United States on May 27, 2026

Verified Purchase

Suz

Los Angeles, US

★★★★★ 5

These work

Size: 2 pairs black L

My husband loves these they help his very dry feet. As others have stated they are extremely difficult to walk in so have to be careful but they do work nicely.

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Reviewed in the United States on March 12, 2026

Verified Purchase

Phoenix, US

★★★★★ 1

Potential Fall Risk

Size: 2 pairs black L

While these socks do indeed help soften rough skin on your feet, there is a risk of falling while wearing them. Although they have treads on the bottom, which would indicate they’re safe to wear with nothing else, when you put moisturizer on and then wear them your foot can slip inside the sock . This causes you to lose your balance and fall, which happened to me. I’ve thrown them out.

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Reviewed in the United States on October 24, 2024