 "300955-015 HP 72.8-GB U320 SCSI 10K", "Null" 10K 10 Pack Wholesale 300955-015 Price 300955-015-10Pack"
"Description:10 x 72.8GB Ultra320 3.5-inch SCSI Hot-Plug 10K Hard DriveIn HPE Hot-Plug Hard Drive tray (as pictured)Genuine HPE serial number and firmwarePart Number(s)   
Option Part# 286714-B22  
Assembly Part# 300955-015" 
 "3R-A3851-AA HP 72.8-GB U320 SCSI 15K", "Null" Price 3R-A3851-AA-5Pack" "New 3R-A3851-AA 15K 5 Pack Wholesale
"Description:5 x 72.8GB Ultra320 3.5-inch SCSI Hot-Plug 15K Hard DriveIn HPE Hot-Plug Hard Drive tray (as pictured)Genuine HPE serial number and firmwarePart Number(s)   Option Part# 286778-B22
Spare Part# 289243-001
2-5-2 Part# 3R-A3851-AA" 
 Specifications: Category Proliant HardDrive Sub-Category 15K Generation Ultra320 Part Number 3R-A3851-AA-5Pack Products ID 454682 Capacity 72.8GB Manufacturer Hewlett-Packard Interface SCSI Enclosure Internal HDD Form Factor 3.5 inches x 1/3H (Low Profile) Spindle Speed 15000RPM External Data Transfer Rate 320MB/s Seek Time 3.8ms Average Latency 2ms