We sell original brand new IBM memory and hard drive, memory is life-long limited warranty, HDD is 3 years warranty. Here is the list: 
IBM HDD (Hard Drive) 
IBM hard drive 
02r0988 IBM serveraid-6m SCSI controller 
13n0688 Xeon DP 3.0ghz 800mhz 1mb l2 cache 
1722-5207 2gb fc, 146.8gb / 10k drive module 
25r8903 / 40k2505 3.2ghz CPU 
32p0033 IBM serveraid-6m ultra320 SCSI controller 
32p0728 146.8GB SCSI ultra320 hard drive 
39m4522 160GB hot swap hard drive 
39r8805 IBM serveraid-7t serial ATA controller 
40k1027 73.4GB SCSI ultra320 hard drive 
40k1028 146.8GB SAS hard drive 
40k1039 73GB SAS hard drive 
40k1040 IBM 146gb 10k 3.5sas HDD 
40k2504 CPU 3.0ghz, 2mb cache x346 
71p8642 IBM serveraid-7k SCSI controller 
71p8648 IBM serveraid-7t serial ATA controller 
71p8967 proc 2.8ghz / 533mhz-512kb l2 cache, including VRM, for x235 / x345. 
73p8006 250 GB SATA hard drive 
90p1304 36 GB SCSI ultra320 hard drive 
90p1305 73 GB SCSI ultra320 hard drive 
90p1305 / 40k1023 73.4GB SCSI ultra320 hard drive, 10k, 80pins 
90p1306 / 40k1024 146gb 10k SCSI hard drive 
90p1307 / 40k1025 300gb 10k SCSI hard drive 
90p1309 HDD 73gb / u320 / 10krpm 
90p1319 73.4GB SCSI ultra320 hard drive 
90p1381 73gb (Gen 3) hot-swap 3. 5" 15k RPM ultra 320 SCSI HDD