Original vintage Apple Macintosh 512K VRAM SIMM upgrade, Apple part M0517LL/A. Includes the original Apple box and Apple-manufactured 68-pin SIMM in antistatic packaging.The circuit board is marked Apple Computer, 820-0313-03, ©1990, Assembled in Singapore and is populated with Toshiba memory chips.M0517LL/A was Apple’s 512K video-memory upgrade originally offered for the Macintosh LC and LC II. Apple documentation indicates that the upgrade enabled additional color depths, including up to 32,000 colors on the Macintosh 12-inch RGB display. The 512K VRAM SIMM was also used in certain later Macintosh models/configurations.Condition: Vintage item with original packaging. . Box shows age/storage wear as pictured. Please examine all photographs for exact cosmetic condition and markings.Includes only the items shown in the photographs.