SKU : 257916-B21 Mfg.: Compaq Description : Compaq XEON 3.06GHZ PROCESSOR KIT FOR DL380 G3 HP Xeon Processor Upgrade - Socket PGA-604 - Single-core (1 Core) - 533 MHz Bus Speed The Intel Xeon processor with 512 KB L2 cache is designed for high-performance dual-processor workstation and server applications. Based on the Intel NetBurst micro-architecture and the Hyper-Threading technology, it is binary-compatible with previous Intel Architecture (IA-32) processors. The Intel Xeon processor with 512 KB L2 cache is scalable to two processors in a multiprocessor system providing exceptional performance for applications running on advanced operating systems such as Windows XP, Windows 2000, Linux, and UNIX. Same as MFG Part #:314669-001SL6GH