2GB KIT (2 x 1GB) For Sun Fire Series V125 V20z Super FRU Chassis PN: 380-1194 V215 V250 V445 X 4500 X4600. DIMM DDR ECC Registered PC3200 400MHz Single Rank RAM Memory. Genuine A-Tech Brand. 2GB KIT (2 x 1GB) DIMM DDR ECC Registered PC3200 400MHz Single Rank RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Sun Fire Series. (See Compatibility List Below)