S25 Ultra VS iPhone 17 Pro Max SSD Speed Test

David “DEVO” Harry September 30, 2025
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David “DEVO” Harry

@davidharry

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iPhone 17 Pro Max VS Galaxy S25 Ultra speed test. In this video I will be comparing the speeds of the Samsung Galaxy S25 Ultra and the Apple iPhone 17 Pro Max when writing and reading data between their internal storage to an external USB-C SSD storage drive. *SPONSOR NOTICE* This video was sponsored by Acasis https://geni.us/ACASIS-51 Video chapters: 00:00 Intro 03:20 S25 Ultra write speed test 05:36 S25 Ultra read speed test 06:58 iPhone 17 Pro Max write speed test 09:44 iPhone 17 Pro Max read speed test 11:14 Speed test results 12:49 End summary Stuff used in this video: Apple iPhone 17 Pro Max https://geni.us/iPhone17ProMax Samsung Galaxy S25 Ultra https://geni.us/S25_Ultra Sabrent USB-C enclosure https://geni.us/6VW8 1TB WD SN7100 SSD https://geni.us/WD_SN7100 Keep an eye on the channel for the tests with the ZIKE Z666 USB4 enclosure with my iPhone 17 pro max and M4 Max MacBook Pro. My iPhone & Galaxy basic shooting rig: Ulanzi ST-02S phone tripod mount https://geni.us/kv7cv Pistol grip (choose what best suits you that has 1/4"-20 screw mounts) https://geni.us/YXPx84Q Mini tripod (choose what best suits you that has 1/4"-20 screw mounts) https://geni.us/A236Dc8 *Some of my product recommendations* *ACASIS Website* If buying from the ACASIS website use my 15% discount promo code DAVID15 ACASIS website https://geni.us/ACASIS-51 SSD enclosures: TB501 Pro Thunderbolt 5 enclosure https://geni.us/ACASIS-57 Mac Mini M4 Workstation enclosure https://geni.us/ACASIS-58 TBU405Pro Thunderbolt 4 enclosure https://geni.us/ACASIS-53 TBU401 Thunderbolt 4 enclosure https://geni.us/ACASIS-54 EC-3901 4 bay Thunderbolt 4 RAID Enclosure https://geni.us/ACASIS-55 All ACASIS SSD Enclosures https://geni.us/ACASIS-56 Docks & hubs: DS9007 21 Port 40Gbps Dock https://geni.us/ACASIS-59 DS-7A15 15 port USB-C dock https://geni.us/ACASIS-60 DS-0202 14 Port USB-C dock https://geni.us/ACASIS-61 All ACASIS Docks and Hubs https://geni.us/ACASIS-62 *ACASIS Amazon* ACASIS Amazon Store https://geni.us/ACASIS-105 SSD enclosures: TB501 Pro Thunderbolt 5 enclosure https://geni.us/ACASIS-100 M4 Mac mini Workstation dock/enclosure https://geni.us/ACASIS-106 TBU405Pro Thunderbolt 4 enclosure https://geni.us/ACASIS-101 TBU401 Thunderbolt 4 enclosure https://geni.us/ACASIS-102 All ACASIS Thunderbolt and USB enclosures https://geni.us/ACASIS-103 *WD_Black SN850X Gen 4 SSD on Amazon* 8TB https://amzn.to/478cVJn 4TB https://amzn.to/3U7TqsP 2TB https://amzn.to/3Hb32jC 1TB https://amzn.to/3He93Mp Other Gen 4 NVMe SSDs https://geni.us/Gen4SSDs *Samsung 9100 Pro PCIe Gen 5 NVMe SSD* *WARNING - ONLY BUY THIS SSD IF YOU ARE USING A PCIE GEN 5 COMPATIBLE ENCLOSURE* Samsung Amazon Store https://geni.us/hBdBf 4TB https://amzn.to/4lpGMke 2TB https://amzn.to/413Jjct 1TB https://amzn.to/3JcjW1Z Other Gen 5 NVMe SSDs https://geni.us/7SvmU *Apple Mac Computers on Amazon* Apple Amazon Store https://geni.us/Apple_Amazon_Store MacBook Pro M4 https://geni.us/OLuacfl MacBook Air M4 https://geni.us/x5G9 Mac Mini M4 https://geni.us/yJW1 Mac Studio M4 https://geni.us/V2lDm Mac Studio M3 https://geni.us/7zws iMac M4 https://geni.us/1k4pwp *AMAZON ASSOCIATE DISCLOSURE* I am an Amazon Associate. My Amazon links are Amazon affiliate links. I earn money from qualifying purchases when you use my Amazon affiliate links. *Thank you for using my Amazon links 👍* *OTHER EARNINGS AND COMMISSIONS* I also earn money from other product links within my video description. *Thank you for using any of my product links 👍* *You can also send me a coffee* https://www.paypal.me/DavidHarry *My Amazon pages with videos and product links* Amazon USA https://www.amazon.com/shop/davidharry Amazon UK https://www.amazon.co.uk/shop/davidharry *My Global Amazon Affiliate links* Using my Global Amazon Affiliate links when you buy anything from Amazon does not cost you any extra. However, the money that I earn helps me and my YouTube channel. *Thank you for using my Global Amazon links 👍* Amazon USA: https://geni.us/Amazon-USA Amazon UK: https://geni.us/Amazon-UK Amazon Canada: https://geni.us/Amazon-Canada Amazon Deutschland: https://geni.us/Amazon-Deutschland Amazon España: https://geni.us/Amazon-Espana Contact for product reviews: [email protected] http://www.DavidHarry.com I’m David Harry. Thank you very much for watching this video, take care and goodbye now. Cheers, Dave.

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