Thunderbolt 4 vs. Thunderbolt 5: What’s the Difference?
Preview text: On sale now: 30% off Thunderbolt hubs & docks

Using this email in an article? Credit: ProGrade Digital email via They Sent It, with a link to this page. Full-size image
- Subject
- Thunderbolt 4 vs. Thunderbolt 5: What’s the Difference?
- Preview text
- On sale now: 30% off Thunderbolt hubs & docks
- From
- noreply@
progradedigital.com - Brand
- ProGrade Digital
- ESP
- Klaviyo
- Sent
- Wed Sep 23, 2026, 3:00 PM ET
- Sent to
- progradedigital.com, shop.progradedigital.com
- Size
- 46 KB
- Images
- 11
- Links
- 14, 1 of them buttons
- Subject length
- 55 characters
Against ProGrade Digital's usual
Sent in its busiest hour, 3 PM, which holds 70% of its emails. The subject is 55 characters; its average is 36.
Email headers
What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.
- From
- ProGrade Digital <[email protected]>
- Subject
- Thunderbolt 4 vs. Thunderbolt 5: What’s the Difference?
- Date
- Wed, 23 Sep 2026 19:00:56 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.progradedigital.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.progradedigital.com s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP
Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Sep 29, 2026 3:00 PM | Turn Shadows Into Your Most Powerful Tool | |
| Sep 26, 2026 3:01 PM | Last Chance: Up to 30% Off Cards, Readers & More | |
| Sep 23, 2026 9:27 PM | Still thinking about your pick? | |
| Sep 23, 2026 3:00 PM | Thunderbolt 4 vs. Thunderbolt 5: What’s the Difference? (this email) | |
| Sep 21, 2026 9:26 PM | Did you see something you liked? | |
| Sep 21, 2026 3:00 PM | Up to 30% Off Cards, Readers & More | |
| Sep 18, 2026 3:02 PM | Daisy Chain the PG20 and PG25 for a Faster Workflow |
More from ProGrade Digital
All ProGrade Digital emailsShoot 4K ProRes at 120fps on Your iPhone
Nov 4, 2026 9:00 PM
What Makes a Food Photo Feel Like a Dinner Invitation?
Oct 31, 2026 3:02 PM
Still thinking about your pick?
Oct 30, 2026 12:05 AM
Discover Accessories That Make a Difference
Oct 29, 2026 9:01 PM
Did you see something you liked?
Oct 28, 2026 12:04 AM
SD V60 vs. V90: Find Your Perfect Match
Oct 27, 2026 9:00 PM
Last Day: Up to 15% Off Ends at 11:59 PM PT
Oct 24, 2026 3:01 PM
High-Performance Storage for Demanding Shoots
Oct 21, 2026 3:00 PM







