 "HP 340769-001 20/40-GB Int SCSI DLT", "Null" DLT Wholesale HP Price 340769-001"
"Description:Drive : 20/40GB DLT 4000 narrow Single-Ended SCSI-2 Internal Drive (Gray) - 5.25-inch form factor  full-height - Model TH5AA-HJ - For 'DLT4000' - Not for 'DLT4000E'Part Number(s)
Option Part# 340769-001" 
 "HP 340743-B21 20/40-GB Int SCSI DLT", "Null" DLT Wholesale HP Price 340743-B21"
"Description:20/40GB Int SCSI DLT   Option Part# 340743-B21" 