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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4TB PRO-G40 SSD - Up to 3000MB/s, Thunderbolt 3 (40Gbps), USB-C (10Gbps), IP68 dust/Water Resistance, External Solid State Drive - SDPS31H-004T-GBCND

Product ID: 547430526

Details

Brand
SanDisk
Colour
SSD
Compatible devices
Desktop
Connectivity technology
Thunderbolt
Digital storage capacity
4000 GB
Hard disk description
Solid State

⚡3000MB/s blazing read speed

🔗Dual Thunderbolt 3 & USB-C compatibility

🛡️IP68 dust & water resistance

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Description

🚀 Power, speed, and durability in your pocket — don’t get left behind!

RUGGED RELIABILITY - Built to survive 3m drops, 4000lb crush, and harsh environments with IP68 rating 🛡️
MASSIVE 4 TB CAPACITY - Store your entire creative portfolio or critical data without compromise 💾
BLAZING FAST TRANSFERS - Move 50GB in under 60 seconds with up to 3000MB/s read speeds ⚡
LIGHTWEIGHT PORTABLE - Weighing just 0.27 lbs, it’s the ultimate on-the-go powerhouse 🏃‍♂️
UNIVERSAL CONNECTIVITY - Seamlessly switch between Thunderbolt 3 (40Gbps) and USB-C (10Gbps) ports 🔗

The SanDisk Professional 4TB PRO-G40 SSD delivers ultra-fast data transfer speeds up to 3000MB/s via Thunderbolt 3, with backward compatibility to USB-C. Engineered for professionals, it features an IP68-rated rugged design that resists dust, water, drops, and crushing forces, making it perfect for demanding workflows and on-location shoots. Its massive 4TB capacity and lightweight aluminum build ensure you can carry your critical data securely and efficiently wherever you go.

Specifications

ASIN	B0BW6715SV
Additional Features	Dust Resistant, Shock Resistant, Water Resistant
Best Sellers Rank	#8,901 in Computers ( See Top 100 in Computers ) #51 in External Solid State Drives
Brand	SanDisk Professional
Built-In Media	Externe SSD
Cache Memory Installed Size	4
Color	SSD
Compatible Devices	Desktop
Connectivity Technology	Thunderbolt, USB
Customer Reviews	4.0 4.0 out of 5 stars (543)
Data Transfer Rate	3000 Megabytes Per Second
Digital Storage Capacity	4000 GB
Enclosure Material	Aluminum
Form Factor	2.5-inch
Global Trade Identification Number	00619659195991
Hard Disk Description	Solid State Drive
Hard Disk Form Factor	2.5 Inches
Hard Disk Interface	Thunderbolt
Hard-Drive Size	4 TB
Hardware Connectivity	Thunderbolt
Installation Type	External Hard Drive
Item Weight	0.27 Pounds
Manufacturer	SanDisk Professional
Media Speed	1900 megabits_per_second
Mfr Part Number	SDPS31H-004T-GBCND
Model Name	Pro G40 Ultra Rugged
Model Number	SDPS31H-004T-GBCND
Number of Items	1
Read Speed	3000 Megabytes Per Second
Specific Uses For Product	General
UPC	619659195991
Unit Count	1.0 Count

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