HP Compaq dc5800 Small Form Factor PC HP Compaq dc5800 Small Form Factor PC The HP Compaq dc5800 Small Form Factor is encased in a narrow, gray metallic case—not very stylish but acceptable for an office. It is visibly slimmer and smaller than a mainstream home desktop. But it isn't as small as the Lenovo ThinkCenter A61e—winn... Desktops for businesses are a different ball game than home desktops. Things like data security and power efficiency, not to mention design form factor take precedent over other aspects. The HP Compaq dc5800 delivers on its claim of a slim mainstream ...