512MB DDR desktop RAM memory modules. These are DDR (DDR1) PC-3200 / DDR-400 184-pin DIMMs, commonly used in older Pentium 4 and early AMD Athlon systems. Standard 2.5V desktop memory, 1Rx8 configuration. Pulled from a working environment and ideal for legacy PCs, retro builds, repairs, or diagnostic use. Not compatible with DDR2, DDR3, DDR4, or DDR5 systems. Please verify motherboard compatibility before purchasing. Sold as-is. DDR RAM, DDR1, PC3200, DDR400, 184-pin DIMM, desktop memory, vintage computer parts, legacy PC, Pentium 4 RAM, Athlon RAM, old PC hardware, retro PC build, computer memory, replacement RAM 1 set is shown in the photo I have 2 sets of these
eBay