Quoting quantum lto-6 sales blurb
(http://www.quantum.com/products/tapedrives/ltoultrium/lto-6/index.aspx)

    Fast backup and restore performance –at speeds up to 400MB/s (1.4TB/hr)*

* Assumes 2.5:1 compression for LTO-6, 2:1 for other LTO

Assuming no compression = 400/2.5 = 160.

> Seagate NAS drives have a max throughput ranging from 149MB/sec to 
> 180MB/sec depending on capacity:
> 
> http://www.seagate.com/www-content/product-content/nas-fam/nas-hdd/en-us/docs/nas-hdd-ds1789-3-1409gb.pdf

160 < 180.

you get it now?

-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu

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