Tesla K40 GPU Accelerator  BD-06902-001_v05 |  ii 
DOCUMENT CHANGE HISTORY 
BD-06902-001_v05 
Version  Date  Authors  Description of Change 
01  July 3, 2013  GG, SM  Preliminary Information (Information contained 
within this board specification is subject to 
change) 
02  August 1, 2013  GG, SM 
• 
• Updated core clocks speeds 
• Updated block diagram in Figure 1 
03  September 19, 2013  GG, SM 
• Added new section: “NVIDIA GPU Boost on Tesla 
K40” 
• Updated “Power Specifications” section 
• General updates throughout the board 
specification 
• Added board environmental conditions 
04  September 25, 2013  GG, SM  Updated boost clock 
05  November 11, 2013  GG, SM, DV 
• Added Figure 1: K40 Passive Board