Most people, I would think, would get 512GB or above anyway. Designed for Macintosh, this tool uses a standard method to determine the reading and writing speeds of your hard drive. It may just be a supply issue that caused Apple to go with single 256GB NANDs. Blackmagic Disk Speed Test is a tool for checking the performance of a hard drive. Filter by these if you want a narrower list of alternatives or looking. Blackmagic Disk Speed Test alternatives are mainly Benchmark Tools but may also be Hard Disk Benchmark Tools or Hard Disk Diagnostic Tools. Values should be more like 490 MB/s write and 550 MB/s read. I just tested a match pack of Angelbird 512GB CFast cards (just purchased) with the Disk Speed Test and got 410 MB/s write and 485 MB/s read.
#Blackmagic disk speed test free
But someone pointed out to me that 128GB NAND chips are being made much less anyway, and the majority of them are made for phones. Other interesting free alternatives to Blackmagic Disk Speed Test are UserBenchMark, HD Tune, KDiskMark and Cross Platform Disk Test. Trouble with Blackmagic Disk Speed Test Fri 10:58 pm. MaxTech, for one, is already using this to say that Apple made the M2 machine worse. It's likely Apple is using 2 NAND chips for every capacity over 256, so as long as you get a model with 512GB or above, you should not see a reduction in speed. The best Blackmagic Disk Speed Test alternative is CrystalDiskMark, which is both free and Open Source.
So basically, it appears Apple is using a single NAND chip for 256GB models, and likely 2x 256GB chips for 512GB models, which is the reason for the faster speeds with 512GB. There are more than 25 alternatives to Blackmagic Disk Speed Test for a variety of platforms, including Windows, Linux, Mac, BSD and Self-Hosted apps. The result depends on Test File Size, Test File Position, Fragmentation, IDE(PATA)/SATA. Meanwhile, zollotech got very fast speeds on his 512GB M2 model. About CrystalDiskMark CrystalDiskMark is a simple disk benchmark software. Zoneoftech also got similar results on his 256GB model. He opened it up, and showed that Apple is now using one 256GB NAND chip for it, while the M1 has 2x 128GB NAND chips. MaxTech got a write of 1463 MB/s and read of 1446 MB/s, give or take a few MB between each run.
I've done some investigating and discovered what I think the difference is.
#Blackmagic disk speed test manual
The manual says it is available in Support, and I havent been able to find it there either. I couldnt find anything that looked like Disk Speed Test to me. I looked at both SDs that came with Video Assist. I dont know where to find Disk Speed Test on the machine or within the setup app. Okay, there are a couple YouTubers who have done BlackMagic Disk Speed Tests on the M2 13inch MacBook Pro, and have found that the speeds are SLOWER than the M1 13inch. I ran that and updated my device to 2.5.2.
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