Product Selection Chart
Click on the category headings below to explore the differences between the various AccuStream products.
- Computer Bus/Max Pixel Rate
-
Computer Bus PCIe x4 PCI 32/64 Max. Pixel Rate AccuStream Express HD+C 
170 MHz AccuStream Express HD 75+C 
75 MHz AccuStream Express SD 50+C 
50 MHz AccuStream Express HD+ 
170 MHz AccuStream Express HD 75+ 
75 MHz AccuStream Express SD 50+ 
50 MHz AccuStream Express 170 
170 MHz AccuStream Express 75 
75 MHz AccuStream Express 50 
50 MHz AccuStream 205a 
205 MHz AccuStream 75a 
75 MHz AccuStream 50a 
50 MHz AccuStream 170+ 
170 MHz AccuStream 75+ 
75 MHz AccuStream 50+ 
50 MHz - HDTV Formats
-
1080p 1080i 720p 576p 480p AccuStream Express HD+C 




AccuStream Express HD 75+C 



AccuStream Express SD 50+C 

AccuStream Express HD+ 




AccuStream Express HD 75+ 



AccuStream Express SD 50+ 

AccuStream Express 170 




AccuStream Express 75 



AccuStream Express 50 

AccuStream 205a 




AccuStream 75a 



AccuStream 50a 

AccuStream 170+ 




AccuStream 75+ 



AccuStream 50+ 

- Sample Resolutions Supported
-
1920x1200
x601600x1200
x601280x1024
x601024x768
x60800x600
x60Non
StandardAccuStream Express HD+C 





AccuStream Express HD 75+C 


AccuStream Express SD 50+C 

AccuStream Express HD+ 





AccuStream Express HD 75+ 


AccuStream Express SD 50+ 

AccuStream Express 170 





AccuStream Express 75 


AccuStream Express 50 

AccuStream 205a 





AccuStream 75a 


AccuStream 50a 

AccuStream 170+ 





AccuStream 75+ 


AccuStream 50+ 

- Video Input Types Supported
-
HDMI
VideoDVI-D RGBHV YPbPr Mono S-video Composite
ColorAccuStream Express HD+C 






AccuStream Express HD 75+C 






AccuStream Express SD 50+C 






AccuStream Express HD+ 






AccuStream Express HD 75+ 






AccuStream Express SD 50+ 






AccuStream Express 170 



AccuStream Express 75 



AccuStream Express 50 



AccuStream 205a 




AccuStream 75a 




AccuStream 50a 




AccuStream 170+ 



AccuStream 75+ 



AccuStream 50+ 



- Other Features
-
Pass-Through Ext. Trigger R/T Scaler H.264 Compression AccuStream Express HD+C 


AccuStream Express HD 75+C 


AccuStream Express SD 50+C 


AccuStream Express HD+ 

AccuStream Express HD 75+ 

AccuStream Express SD 50+ 

AccuStream Express 170 


AccuStream Express 75 


AccuStream Express 50 


AccuStream 205a 
AccuStream 75a 
AccuStream 50a 
AccuStream 170+ 

AccuStream 75+ 

AccuStream 50+ 

Video Streaming Performance
- Video streaming rates are dependent on several factors beyond the AccuStream board.
- The AccuStream Express boards can run in PCIe x4, x8 and x16 slots.
- The AccuStream boards can run in PCI 32 & 64 bit slots.
- For fastest streaming rates and data transfers, PCIe x4/x8/x16 is recommended.
- System processor, memory & disk speed all contribute to transfer rate speeds.
- For uncompressed 1080p60 streaming to disk, we recommend a fast i5/i7/Xeon processor, at least 2GB of RAM, and striped RAID disk drives.
- Below are transfer rates to memory on "typical" PCI 32 & PCI 64 bit machines that perform at 125 MB/second transfers and 250 MB/second transfers respectively, as well as performance on "typical" PCIe x4 systems (500-700 MB/s). Your performance may vary on slower machines.
| Resolution | Stream to Memory (32 bit PCI Bus) |
Stream to Memory (64 bit PCI bus) |
Stream to Memory (PCIe x4 bus) |
|---|---|---|---|
| 1600x1200x60 | 15 fps | 20 fps | 60 fps | 1280x1024x60 | 30 fps | 60 fps | 60 fps |
| 1024x768x60 | 30 fps | 60 fps | 60 fps |
| 1920x1080x30 (1080i) | 15 fps | 30 fps | 30 fps |
| 1920x1080x60 (1080p) | 15 fps | 30 fps | 60 fps |