TD977 - Dell PERC 4e/DC Dual Channel Ultra320 LVD SCSI RAID Controller with 128MB BBU TD977 - Dell PERC 4e/DC Dual Channel Ultra320 LVD SCSI RAID Controller with 128MB BBU $214.96
X6847 - Dell PERC 4e/DC Dual Channel Ultra320 LVD SCSI RAID Controller with 128MB BBU X6847 - Dell PERC 4e/DC Dual Channel Ultra320 LVD SCSI RAID Controller with 128MB BBU $70.00