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

Seagate 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

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Details

Digital storage capacity
4 TB
Hard disk interface
Serial ATA
Connectivity technology
SATA
Brand
Seagate
Special feature
Portable
Hard disk form factor
3.5 Inches

⚡6GB/s SATA speed

🌀5400 RPM quiet spin

💾4TB massive storage

Description

💾 Power your productivity with storage that keeps up!

256 MB CACHE BOOST - Smooth multitasking and faster file access.
MASSIVE 4 TB CAPACITY - Store your entire digital life without compromise.
WHISPER QUIET 5400 RPM - Effortless performance with minimal noise disruption.
SEAGATE DISC WIZARD INCLUDED - Hassle-free data migration and cloning, right out of the box.
BLAZING SATA 6 GB S INTERFACE - Seamless data transfer for demanding workflows.

The Seagate BarraCuda 4TB internal hard drive combines a spacious 4TB capacity with a reliable 3.5-inch SATA interface running at 6GB/s. Its 5400 RPM rotational speed and 256MB cache ensure efficient, quiet operation ideal for desktop PCs, gaming rigs, and creative workflows. Backed by two decades of Seagate innovation and bundled with DiscWizard software, it offers seamless data migration and trusted performance for professionals and enthusiasts alike.

Specifications

Brand	Seagate
Product Dimensions	14.71 x 10.16 x 2.01 cm; 548.85 g
Item model number	ST4000DMZ04
Manufacturer	SEAGATE
Series	BarraCuda
Colour	BarraCuda
Form Factor	3.5-inch
Processor Brand	Seagate
Hard Drive Size	4 TB
Hard Disk Description	Mechanical Hard Disk
Hard Drive Interface	Serial ATA
Hard Disk Rotational Speed	5400 RPM
Wattage	5.6
Power Source	System powered
Hardware Platform	PC
Are Batteries Included	No
Item Weight	549 g
Guaranteed software updates until	unknown

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

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

Details

Description

Specifications

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