Genuine Compaq legacy server internal RAID storage controller cache memory expander module expansion card. Substrate layer features prominent white factory silk-screen lettering for Compaq along with copyright tracking dates 1998 1999 and manufacturing board identifiers ASSY REV 0027 94V-0. Hardware layout is configured with an AM29F040B flash memory microchip, a Simtek STK12C68 non-volatile static RAM chip, and an integrated central tracking barcode sticker displaying spare part number SP# 158855-001 and assembly reference code AS# 010284-001. Green printed circuit card and gold contact slot interface pins are clean and intact with minor handling wear. Please see photos for exact condition.