Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cs.utexas.edu!asuvax!tosh!starta
From: starta@tosh.UUCP (John Starta)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Mac hard disk speed vs. cost
Keywords: apple quantum speed cost
Message-ID: <4ZZBR1w163w@tosh.UUCP>
Date: 20 Oct 90 09:27:14 GMT
References: <208@cogsci.ucsd.EDU>
Reply-To: tosh!starta@asuvax.eas.asu.edu (John Starta)
Distribution: usa
Organization: Before Computing, Phoenix, Arizona, USA
Lines: 16

costin@cogsci.ucsd.EDU (Dan Costin) writes:

> What's the approximate access time for internal Mac hard disks
> that come installed from Apple?  I'm most interested in 40 meg disks.
> 
> Prices for Quantum external hard disks with 12ms access times
> in the back of MacWorld are as low as $430.  Am I right in assuming
> that Mac hard disks are not quite as fast?  Does anyone have any
> experience with such Quantum drives?

Unless this has recently changed, the drives shipped from Apple in the
interal configuration are Quantum mechanisms. I don't think they are
using the cache configured ones so I would expect access times of roughly
19 ms.

John