Which screws are needed, M3 4.5mm or M3 6mm? Or doesn't it matter?

To avoid damaging the inner shell of the drive, I advise using the 4.5mm screws. I hope that helps x

Does this drive use cmr or smr technology?

Only 1TB and 500GB versions use CMR rest is SMR

Is the hdd loud when gaming?

No its not loud but does have a sound when loading etc it's a very manageable noise

Does any know if this drive is suitable for dell's 8940 desktop with a m.2 pcie nvme primary solid state drive

As long as there is an available SATA port on the motherboard, yes. You should always have a large capacity backup/storage drive.

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BarraCuda 4TB, Internal Hard Drive, 3.5 Inch, SATA, 6GB/s, 5.400 RPM, 256MB Cache, for Computer Desktop PC, FFP (ST4000DMZ04)

Product ID: 79544800

Details

Brand
Seagate
Colour
BarraCuda
Compatible devices
Desktop
Connectivity technology
SATA
Digital storage capacity
4 TB
Hard disk description
Mechanical

⚡SATA 6GB/s blazing interface

🌀5400 RPM quiet spin

💾4TB massive storage

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69052 som

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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💾 Power your productivity with storage that keeps up!

256 MB CACHE BOOST - Smooth performance even with large files and complex projects.
MASSIVE 4 TB CAPACITY - Store your entire digital life without compromise.
WHISPER QUIET 5400 RPM - Stay focused with minimal noise during heavy workloads.
BLAZING FAST SATA 6 GB S - Seamless data transfer for gaming, editing, and multitasking.
TRUSTED SEAGATE RELIABILITY - Backed by 20 years of innovation and a 3-year warranty.

The Seagate BarraCuda 4TB internal hard drive offers a perfect balance of high capacity, reliable performance, and quiet operation. Featuring a 3.5-inch form factor, SATA 6Gb/s interface, 5400 RPM speed, and a 256MB cache, it’s designed for desktop PCs handling gaming, media editing, and everyday storage needs. Trusted by millions and backed by decades of innovation, BarraCuda delivers dependable storage that professionals and gamers alike can count on.

Specifications

ASIN	B07D9C7SQH
Best Sellers Rank	6,276 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 20 in Internal Hard Drives
Box Contents	BarraCuda 3.5 4TB, The actual capacity may vary.
Brand Name	Seagate
Cache Memory Installed Size	256
Color	BarraCuda
Compatible Devices	Desktop
Country of Origin	Thailand
Customer Package Type	Standard Packaging
Customer Reviews	4.6 4.6 out of 5 stars (45,802)
Data Transfer Rate	190 Megabits Per Second
Digital Storage Capacity	4 TB
Enclosure Material	Aluminum or Glass
Form Factor	3.5-inch
Global Trade Identification Number	00763649128220
Hard Disk Average Latency	4.17 Milliseconds
Hard Disk Description	Mechanical Hard Disk
Hard Disk Form Factor	3.5 Inches
Hard Disk Interface	Serial ATA
Hard Disk Rotational Speed	5400 RPM
Hard-Drive Size	4 TB
Hardware Connectivity	SATA 6.0 Gb/s
Hardware Platform	PC
Installation Type	Internal Hard Drive
Item Dimensions L x W x Thickness	14.7L x 10.2W x 2Th centimetres
Item Length	20.22 Millimetres
Item Type Name	iHDD
Item Weight	1.21 Pounds
Item Width	101.85 Millimetres
Manufacturer	SEAGATE
Manufacturer Part Number	ST4000DMZ04
Media Speed	190
Model Name	BarraCuda
Model Number	ST4000DMZ04
Network Connectivity Technology	SATA
Number of Items	1
Product Features	Portable
Product Warranty	3 year manufacturer
Read Speed	190 Megabytes Per Second
Specific Uses For Product	Gaming
UPC	763649128220
Unit Count	1.0 count

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