Because people like to yell on twitter

Performance.md

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+# TLDR
+
+When using the BlueSCSI on a Vintage Mac you can expect about `1024KB/sec` read, `900KB/sec` write, `1ms` seek. Keep reading to see what factors may influence your speed.
+
+# Help us collect data
+
+If you'd like to share, please [fill out this form with your own benchmark data](https://docs.google.com/forms/d/e/1FAIpQLScPQGpAXTiPiDZ_YyXqeCFk51yREVQ2pP43sESzV2b1NxAy6Q/viewform) to help us see patterns in performance.
+
+# Influences on speed of BlueSCSI
+
+These are 25-30 year old computers, there are many things that change the profile of the performance you get. 
+
+The main thing to remember is to enjoy your vintage computer.
+
+## Testing software
+
+Most users use [SCSI Director Pro 4](https://macintoshgarden.org/apps/scsi-director-pro-40) but other software may provide different results.
+ 
+## Host machine
+
+A PowerPC machine is going to have faster access than a Plus or SE.
+
+## SD Format
+
+Using exFAT as the format will provide a substantial increase in speed over FAT32.
+
+## SD Card 
+
+Quality, name brand SD cards can provide a gain in performance over no name or fakes.
+
+## BluePill
+
+The CH32 clone does benchmark slightly better than the STM32, though it is a very small difference. Other clones, fakes, etc show little to no difference.
+
+## Comparing to Spinning Disks
+
+Spinning HDD have higher read/write speeds, but the BlueSCSI (and all modern SCSI SD solutions) "feel" faster due to the near instant seek times.