MEMORY:
HP
1GB 376638-B21 1GB PC3200 DDR SDRAM DIMM 2X512MB
343055-B21 1GB REG PC2-3200 2X512 All
2GB 376639-B21 2GB PC3200 DDR SDRAM DIMM 2X1GB
343056-B21 2GB REG PC2-3200 2X1GB DDR All
4GB 343057-B21 4GB REG PC2-3200 2X2GB DDR All
379300-B21 4GB REG PC3200 2X2GB All
8GB 348106-B21 8GB PC2-3200 DDR2 2x4GB ML570G3
397415-B21 8GB PC2 5300 DDR2 DIMM 2X4GB
IBM
1GB 39M5782 1GB(2X512MB)PC2-5300 CL5 ECC DDR2 SDRAM FBDIMM
39M5818 1GB(2X512MB)PC2-3200 CL3 ECC DDR2 SDRAM RDIMM
2GB 39M5785 2GB(2X1GB)PC2-5300 CL5 ECC DDR2 SDRAM FBDIMM
39M5809 2GB(2X1GB)PC2-3200 CL3 ECC DDR2 SDRAM RDIMM
4GB 39M5791 4GB(2X2GB)PC2-5300 CL5 ECC DDR2 SDRAM FBDIMM
39M5812 4GB(2X2GB)PC2-3200 CL3 ECC DDR2 SDRAM RDIMM
8GB 39M5797 8GB Kit (2x4GB) PC2-5300 CL5 ECC DDR2
46C7420 8GB Kit 2X4GB PC2-5300 667MHz ECC CL5 LP FBDIMM Quad Rank

HARD DISK
HP
36GB 431933-B21 36GB 15K SCSI 2.5"
375859-B21 36GB 10K SAS 2.5"
72GB 512545-B22 72gb 6g 15k SAS 2.5" hard drive hp server hard drives
286778-B22 72GB Universal Hot Plug Ultra 320 15K 3.5“ HDD
73GB 431935-B21 73GB SAS 2.5"Hot Plug HDD 15K Single Port
146GB 347708-B22 146GB Universal Hot Plug Ultra320 15K HDD SCSI3.5"
286716-B22 146GB Universal Hot Plug Ultra320 10K HDD 3.5"
250GB 460355-B21 250GB 3G SATA 5.4K SFF ETY HDD
458926-B21 250GB 7.2k Pluggable MDL SATA 3.5 HDD
IBM
73GB-1TB
And so on!