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Upgrade the memory of your 2018 Mac mini up to 64GB
Upgrade the memory of your 2018 Mac mini up to 64GB

2020 iMac 5K: IntegrityChecker Java, Verify

re: recommended Macs for photographers and videographers
re: 2020 iMac 5K: Recommended Models and Accessories.

MPG tested the 2020 iMac 5K 3.6 GHz Intel Core i9 10-core / 128GB / 2TB / Radeon 5700. Smart move: buy with 8GB memory, then add 64GB or 128GB OWC memory to save a ton on memory cost (same memory as 2019 iMac 5K).

Please buy your gear at B&H Photo and OWC/MacSales.com using any link from this site.
Unsure which Mac to get or how to configure it? Consult with Lloyd.

2020 iMac 5K

About

Cross-platform (any computer with Java), IntegrityChecker Java runs SHA512 hashes on files to maintain data integrity checks. All professionals should be using it to validate their data. Especially when random “land mine” bugs in new macOS releases pop up, such as macOS Finder silent data-loss risks and outright bugs when copying files.

Or bad memory or bit rot (rare but real), etc.

The verify command of diglloydTools IntegrityChecker utilizes all CPU cores as efficiently as any application ever can, using sophisticated I/O algorithms to feed data to the CPU as fast as the OS can go. Performance will thus be gated by I/O speed unless all CPU cores are fed data fast enough to be fully utilized.

If below are out of date: view current Mac wishlist and all current OWC wishlists.

CLICK TO VIEW: Recommended Memory, Storage,etc

CLICK TO VIEW: Recommended iMac 5K (buy OWC memory separately)

Results

The 2020 iMac 5K is marginally faster than the 2019 iMac 5K, perhaps because its SSD is slower on small reads than the 2019 iMac 5K.

The 28-core 2019 Mac Pro could go a lot faster than shown here if using a PCIe SSD like the OWC Accelsior 8M2 (up to 12GB/sec), instead of its internal SSD.

Graph is MiB/sec (multiply by 1.0485 for MB/sec).

2020 iMac 5K vs 2019 iMac 5K, 2019 Mac Pro: Photoshop CC filters
2020 iMac 5K
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