I am having an OCD dilemma, bought a WD40EZRZ-00GXCB0 with serial WCC7K2HR9Fxx (2 last serial digits not included because of warranty) made on 27 FEB 2020 It’s new and I still don’t want to open it, because if there is a chance it’s SMR I can sell it if it’s new and I don’t want it. So this SHOULD…

It would be great if somebody could give opinion regarding this topic is the mentioned HDD CMR or SMR, thanks.

OK to sum up, we have 2 “EZRZ” models of WD Blue in 4TB (“EZAZ” is of course SMR) WD40EZRZ-00WN9B0 - Giant (C4E in serial number) - 8 heads, PMR (CMR) WD40EZRZ-00GXCB0 - APOLLO (С7K in serial number) 6 heads, SMR or CMR? Confusion is based on some internet posts where claims have been made that t…

I’d like to know to, @Zer0lll . :sweat_smile: I contacted them mysel today.

Hi guys, WD responded and confirmed that the HDD is CMR, to clear any confusion. Have a great day!

I was about to share the same news. I got a reply today.

I also have a My Book 4TB purchased in 2019. The drive is a Blue WD40EZRZ-00GXCB0 and upon researching, I’ve determined that it’s a CMR drive. That said, I understand that these days, most drives under 8TB are SMR.

How to CHECK if a disk is SMR or CMR: 4TB WD ELEMENTS with WD40EDAZ inside! SMR! Avoid! - #5 by marcolopes If anyone needs to know WHAT INTERNAL DRIVE MODEL they have in their WD EXTERNAL ENCLOSURES, install https://crystalmark.info/en/software/crystaldiskinfo and COPY PAST the info to the clipboa…

The [WD Blue 4TB hard drive](https://www.m4l.com/blog/enhance-your-storage-capacity-with-wd40ezrz-wd-blue-4tb-hard-drive/) is available in both SMR (Shingled Magnetic Recording) and CMR (Conventional Magnetic Recording) technologies. SMR drives are known for their higher storage density, which can r…

WD BLUE 4TB SMR or CMR?

Internal Drives WD Blue

Vegan September 30, 2021, 1:12am 2

https://www.hardcoregames.ca/2012/06/24/wd-blue-hard-disk-series/

This series consolidated with the older green series some time ago now

I have all the important details by model sorted by capacity

Topic		Replies	Views
Does WD Blue 3.5" PC HDD 4TB WD40EZRZ use CMR or SMR Recording Technology? WD Blue	1	3498	December 12, 2021
WD Blue 4TB WD40NPZZ SMR? WD Blue	1	4243	May 19, 2020
WD My Passport Ultra drives are CMR or SMR? My Passport	2	7176	September 18, 2020
PMR and SMR question WD Gold	15	8949	December 25, 2023
Are the WDC WD30EFRX drives CMR or SMR WD Gold	4	4152	January 28, 2024

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WD BLUE 4TB SMR or CMR?

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