HP Z440 Z640 Workstation CPU HEATSINK Cooler HP P/N: 749554-001

MHC TECH
(6914)
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US $19.99/ea
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Condition:
Used
“In excellent condition”
More than 10 available2 sold
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Located in: Bowie, Maryland, United States
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eBay item number:325938421174
Last updated on Nov 02, 2025 11:07:16 PSTView all revisionsView all revisions

Item specifics

Condition
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller Notes
“In excellent condition”
Brand
Hewlett-Packard
Type
CPU Fan with Heatsink
Power Connection
/
Color
Black
MPN
749554-001, 749554001
Material
/
UPC
Does not apply
Category

Item description from the seller

About this seller

MHC TECH

99.5% positive feedback•13K items sold

Joined Apr 2009
We sell new and used computer products that have been thoroughly tested. We accurately describe each item in our listings and guarantee they will be as described or your money back.
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
4.8
Shipping speed
5.0
Communication
5.0

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5.0
12 product ratings
  • 12 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Quiet

Good value

Performs well

Most relevant reviews

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  • by cvsdapfdir
    Jul 20, 2016Top favorable review

    HP Z420 high cpu temps problem - solved!

    The CPU heatsink and fan in my recently acquired HP Z420 desktop workstation weren't up to the job of cooling its Xeon E5-1650 6-core processor, as evidenced by CPU temps well above the 65 degree max operating temperature when running at 25% capacity or higher for any length of time. Max CPU temps for heavy processing jobs maxed out at 80+ degrees. I'd investigated and followed up on all the usual suspects, i.e. accumulated dust, dried out thermal compound, fans' operation and internal airflow without any significant change. I saw that others online had run into similar problems and saw lots of frustration but no solutions. Then I realized that HP had redesigned the CPU heatsink and fan for the newer Z440 workstation and it all made sense: their solution was increasing the size and ...

    Verified purchase: YesCondition: Pre-OwnedSold by: flutterby_digital

  • by wtf_ih8hackers
    Aug 29, 2023

    Uses same fan as the standard Z4 G4 heatsink (3 pipe), just need a 5 pin connector and rewire.

    When I upgraded to a i9-9900 on my Z4 G4 I was getting a CPU heatsink error. Turns out this heatsink uses 4 pipes instead of 3 and the fan is the same as the standard heatsink. However the fan on this heatsink is a 6 pin and the standard Z4 G4 is a 5 pin. All you need to do is to rewire one of the fans so there is a jumper going from pin 3 to pin 5.

    Verified purchase: YesCondition: Pre-OwnedSold by: bravosource

  • by *thebidman*
    Nov 09, 2019

    Upgrade the Z420!

    I upgraded my Z420 from 1620v2 to a 2667v2. This heatsink is centered and has four tubes rather the three of a stock Z420. With 100% usage of all cores. It keeps the temp well below the max operating temp. But you will have to use the original fan. Hp makes them board specific. But it fits perfectly. Happy upgrading!

    Verified purchase: YesCondition: RefurbishedSold by: getpartstoday

  • by callahamichae0
    Nov 30, 2021

    Great Price for Heat Sink.

    Arrived on time and packaged well and clean. Used to upgrade the cooler on the second processor of a z620 workstation. The difference is that the z620 heat pipes are on top of the cooling block while the z640 heat pipes are integrated into the cooling block. The z620 heat block can warp over time while the z640 dose not.

    Verified purchase: YesCondition: Pre-OwnedSold by: zjw530530

  • by kurlon
    Feb 28, 2025

    Quick and easy upgrade for an older syst...

    Quick and easy upgrade for an older system.

    Verified purchase: YesCondition: Pre-OwnedSold by: vrassets

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