SP-322

SP3 may refer to: * sp³ hybrids, a type of

orbital hybridisation In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals to form new ''hybrid orbitals'' (with different energies, shapes, etc., than the component atomic orbitals) suitable for the pairing of electrons to f ...

Sp3 transcription factor Sp3 transcription factor, also known as SP3, refers to both a protein and the gene it is encoded by. This gene belongs to a family of Sp1 related genes that encode transcription factors that regulate transcription by binding to consensus GC- and ...

, a protein and the gene which encodes it *

Savoia-Pomilio SP.3 The Savoia-Pomilio SP.3 was a reconnaissance and bomber aircraft built in Italy during the First World War.Taylor 1989, p.793 Development The SP.3 was a further development of the family of designs that had started with the SP.1. Ultimately al ...

, a reconnaissance and bomber aircraft built in Italy * , an armed motorboat * 1971 SP3 or

3922 Heather 39 may refer to: * 39 (number), the natural number following 38 and preceding 40 * one of the years: ** 39 BC ** AD 39 ** 1939 ** 2039 * ''39'' (album), a 2000 studio album by Mikuni Shimokawa * "'39", a 1975 song by Queen * "Thirty Nine", a song ...

, a main-belt asteroid discovered on September 26, 1971 * 1984 SP3 or 3155 Lee, a main-belt asteroid discovered on September 28, 1984 * SP3, a model of steam toy made by British manufacturer Mamod *

Service pack 3 In computing, a service pack comprises a collection of updates, fixes, or enhancements to a software program delivered in the form of a single installable package. Companies often release a service pack when the number of individual patches to a ...

, for computer software *

Socket SP3 Socket SP3 is a zero insertion force land grid array CPU socket designed by AMD supporting its Zen-, Zen 2- and Zen 3-based Epyc server processors, launched on June 20, 2017. Because the socket is the same size as Socket TR4, and Socket sTRX4, ...

, a CPU socket for AMD processors * SP3, a sink in the

Sima Pumacocha Sima Pumacocha (possibly from Spanish ''sima'' deep and dark cavern/abyss, Quechua ''puma'' cougar, puma, ''qucha'' lake) is a limestone cave located in the Lima Region, Yauyos Province, Laraos District, in central Peru near the village of Laraos, ...

, a cave in Peru *

Surface Pro 3 The Surface Pro 3 is the third-generation Surface-series 2-in-1 detachable, designed, developed, marketed, and produced by Microsoft. It originally ran the Windows 8.1 Pro operating system (OS), but the optional upgrade to Windows 10 Pro (OS) op ...

, a 2-in-1 personal computer by Microsoft {{Letter-NumberCombDisambig