From mboxrd@z Thu Jan  1 00:00:00 1970
From: Brad Campbell <lists2009@fnarfbargle.com>
Subject: Re: WD Red vs SE/RE drives for mdadm RAID1 (TLER?)
Date: Thu, 12 Jun 2014 10:17:22 +0800
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To: Mark Knecht <markknecht@gmail.com>, Linux-RAID <linux-raid@vger.kernel.org>
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On 11/06/14 23:35, Mark Knecht wrote:
> I need to purchase a couple of new drives for a mdadm type RAID1. In
> reviewing the WD website I did not find the TLER feature on the WD Red
> spec sheets. The TLER feature is clearly called out on both the SE &
> RE lines.
>

It's there. I have several of them here and they all have it. I also 
have 12 greens of which 11 have TLER (must be early models). I know the 
new ones don't.