SPARCstation IPX

SPARCstation IPX
CodenameHobbes
Also known as4/50
DeveloperSun Microsystems
ManufacturerSun Microsystems
Product familySPARCstation
TypeWorkstation
Release dateJuly 22, 1991 (1991-07-22)
AvailabilityJuly 22, 1991
Introductory priceUS$11,995–13,495
Operating system
CPUFujitsu MB86903 or Weitek W8701 (SPARC) at 40 MHz; or Weitek "SPARC POWER μP" 2000A-80-GCD at 80 MHz
Memory1–64 MB
PredecessorSPARCstation IPC
RelatedSPARCstation 2

The SPARCstation IPX (Sun 4/50, code-named Hobbes) is a workstation that was sold by Sun Microsystems. The successor to the SPARCstation IPC, Sun introduced the SPARCstation IPX on July 22, 1991. It is based on the sun4c architecture, and is enclosed in a lunchbox chassis. Intended as a mid-range offering in their SPARCstation line of workstations, the SPARCstation IPX sold for US$11,995 at the low end and US$13,495 at the high end (equivalent to $27,69131,154 in 2024). It was among top three best-selling Unix workstations of 1991.