HP ProLiant DL985 Introduction Manual page 7

The standard card form factor is similar to the PCI card. Figure 6 illustrates the standard card form
factor and connector sizes.
Figure 6. Standard card form factor and connector sizes
Standard card form factor
The standard PCI Express card will be the standard height, full length, and same size as today's
PCI cards. However, the desktop form factor provides additional options. Some desktop cards with a
x1 connector will be standard height but a maximum of half length. These cards are limited to a
maximum power of 10 W. A low-profile card, which will be half length, half height, and limited to
10 W, will also be available. Figure 7 illustrates the standard card sizes.
Figure 7. Standard card sizes
Standard height,
half length, x1,
<10W (desktop)
Low profile
Connector sizes
x1
x4
x8
Standard height, full
length (max)
x16
7