It's an HP9000 E55. The HP Computer Museum even has one in our collection!
David Collins
Curator
www.hpmusuem.net
David Collins
Client Engagement Manager
Dimension Data
Tel: +61 3 9626 0593
Mob: +61 424 785 131
e-mail: david.collins at 
dimensiondata.com
(Sent from out of office)
On 4 Apr 2017, at 9:23 am, Cameron Kaiser via cctalk <cctalk at classiccmp.org>
wrote:
   interesting...
hp-9000 in the news!  -
 russian-hackers-used-backdoor-two-decades 
 I'm trying to identify the specific unit. It looks like an early PA-RISC,
 but even the enlargement doesn't show the model number clearly.
 --
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