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 4TB BarraCuda Internal Hard Drive | SATA 6 Gb/s (ST4000DMZ04) | 5400 RPM. Desktop HDD for everyday PC storage, gaming, & computing. Trusted reliability with 2-Year Warranty + 2-Year Rescue

Product ID: 79544800

Details

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

⚡SATA 6 Gb/s blazing interface

💾4TB massive storage

🕒5400 RPM quiet performance

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Description

💾 Power your productivity and play with Seagate BarraCuda — storage that keeps up with your ambition!

MASSIVE 4 TB CAPACITY - Store your entire digital life — games, projects, and memories — without compromise.
EFFORTLESS DATA MIGRATION - Free Seagate DiscWizard software makes upgrading or cloning your drive a breeze.
WHISPER QUIET 5400 RPM SPIN - Enjoy a cool, silent desktop environment even during heavy multitasking or gaming marathons.
BLAZING FAST SATA 6 GB S INTERFACE - Experience seamless data transfer speeds that keep your workflow and gaming uninterrupted.
TRUSTED RELIABILITY WITH 2 YEAR WARRANTY RESCUE - Backed by two decades of innovation and a Rescue Data Recovery plan for peace of mind.

The Seagate 4TB BarraCuda Internal Hard Drive (ST4000DMZ04) is a 3.5-inch SATA HDD designed for desktop PCs, offering 4TB of storage with a 5400 RPM spin speed and a 256MB cache. It delivers reliable performance with a 6 Gb/s interface, ideal for gaming, creative work, and everyday computing. Supported by a 2-year warranty plus 2-year Rescue Data Recovery, it combines capacity, speed, and peace of mind for professionals and gamers alike.

Specifications

ASIN	B07D9C7SQH
Best Sellers Rank	3,495 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 7 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
Customer Package Type	Standard Packaging
Customer Reviews	4.6 4.6 out of 5 stars (46,318)
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	417 g
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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R7714

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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