4 Mitsubish PC133R-333-542-B2 MH16S72DCFA-6 ECC Server Memory 128MB (untested)

This 4-piece set of ECC server memory modules is designed for use in enterprise networking and servers. Each module has a capacity of 128 MB, for a total of 512 MB. The memory features ECC memory technology for added reliability and error correction. The modules are manufactured by Mitsubishi and have a Bus Speed of PC-133. They are identified by the model number PC133R-333-542-B2 MH16S72DCFA-6..