What is the significance of 40gbps if the drive can only transfer at 2700mb/s? isn't only around 7% of 40gbps?

Drive transfer is 2700 MB/s (mega bytes/s), since 1 byte=8 bits so 2700 x 8= 21600 mb/s, which is more than 50% of 40 Gb/s Thunderbolt

Will it work with the new iPhone 15 Pro Max for recording video direct?

Unclear. I’ve ordered an iPhone Pro Max but cannot even find information about whether or not it will work at speed with Thunderbolt 4 cable. Apple only says that it is “compatible” while it mentions specifically other devices like MacBooks that would benefit with top transfer speeds up to 40GBps.

imac 2017 model 10.13.6 - nearly to of memory - will this work on my older iMac? Connects ok to the ports (no idea what they're called)...thanks!

It’s my understanding that Apple’s Thunderbolt ports are backward compatible. So it should work. But you won’t get the full speed this drive is capable of delivering. This is a Thunderbolt 3 design.

Need to back up 500gb of 2012 MacBook Pro; would this be a good choice to do so? (No lightning/usbc port)

It wouldn’t, no. I had no luck using it with a USB-C to USB-A cable, not adapter. I tried several brands/kinds, but none worked. If I recall, TB 1 and 2 don’t offer power output, so you’re out of luck there as well. Though, if you want to spend an unreasonable amount of money on this, plugging the drive into a TB3 or 4 dock and connecting that dock to the laptop using a TB3 ->TB2 adapter may work.

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🚀 Power Your Workflow with Speed & Strength

COOL UNDER PRESSURE - Aluminum core design dissipates heat to maintain peak performance during heavy workloads.
BLAZING FAST TRANSFERS - Move 50GB in under 60 seconds with up to 3000MB/s read speeds.
MAC READY OUT OF THE BOX - Formatted with APFS for instant plug-and-play on Apple devices.
RUGGED ARMOR FOR YOUR DATA - Built to survive 3m drops, 4000lb crushes, and harsh environments with IP68 rating.
UNIVERSAL THUNDERBOLT 3 USB C - Seamlessly connect to Mac and PC with dual-mode compatibility.

The SanDisk Professional 4TB PRO-G40 SSD delivers ultra-fast Thunderbolt 3 speeds up to 3000MB/s read and 2500MB/s write, combined with rugged IP68 dust and water resistance plus 4000lb crush protection. Designed for professionals demanding reliable, portable storage, it supports both Thunderbolt 3 and USB-C connections and comes Mac-ready with APFS formatting.

Specifications

Brand	SanDisk Professional
Manufacturer	Western Digital Technologies, Inc
Country of Origin	China
Model number	SDPS31H-004T-GBCND
Colour	Black
Form Factor	Portable
Number of Memory Sticks	1
Special Feature	Dust Resistant, Portable, Water Resistant
Specific Product Use	Business, Multimedia, Personal
Item Weight	122 g
Product Dimensions	11.07 x 5.79 x 1.19 cm; 122.47 g
Item model number	SDPS31H-004T-GBCND
Item Height	0.47 Inches
Item Width	2.28 Inches
Hard drive form factor	2.5 Inches
Cache size	4
Reading speed	3000 Megabytes Per Second
Write speed	2500
Hard Disk Size	4 TB
Hard Disk Technology	Solid State Drive
Hard Disk Interface	USB 3.0
Connectivity Technology	Thunderbolt, USB
Data Transfer Rate	3000 Megabytes Per Second
Hardware Platform	Mac
Compatible Device	Laptop
Included Components	PRO-G40 SSD, Quick Start Guide, Thunderbolt 3 (40Gbps) Cable
Are batteries included?	No
Hardware Interface Type	Thunderbolt

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