To be a building, half of a structure's height must have usable floor space.

VOA: special.2010.03.31

The Vector PCIe SSD Series supports high-performance Windows-based laptops, desktops and workstations with 4 lanes of PCIe Gen 2 in full-height (FH) and half-height (HH) formats.

ENGADGET: OCZ demos Vector SSD in even speedier PCI Express form for the pros

The bottom mini PCIe slot accommodates half height cards (for WiFi, presumably) and you can go ahead and put an mSATA drive or full height card at the top.

ENGADGET: Intel's NUC mini-PC internals exposed, available for around $300 in early December

Biki insists, for example, that the rosebud in every room be no taller than one-and-a-half times the height of the vase.

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