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HP ULTRIUM 1840 SCSI EXT TAPE DRIVE HEWLETT-PACKARD Code   UPC Weight EH854A   883585321537  07.820 Product Information PI DATE: AUGUST 2007 PRODUCT : HP StorageWorks LTO-4 Ultrium 1840 SCSI External FORM FACTOR : 5.25" full height TECHNOLOGY : LTO-4 Ultrium 1840 I/FACE : Ultra320 SCSI (LVDS) CAPACITY : Native : 800 GB Compressed: 1.6 TB (assumes 2:1 data compr) DATA T/RATE : Native : 120 MB/s with LTO 4 media 80 MB/s with LTO 3 media 35.6 MB/s with LTO 2 media Compressed: 240 MB/s with LTO 4 media 160 MB/s with LTO 3 media 71.2 MB/s with LTO 2 media BURST T/RATE : 320 MB/s (Ultra320 SCSI) DATA ACCESS TIME: 62 secs (LTO 4 media), 46 secs (LTO 2 media), 52 secs (LTO 3 media) MTBF : 250,000 hrs at 100% duty cycle CONN : 68-pin LVDS TAPE FORMATS : Recording method : 16-channel linear serpentine Recording format : LTO Ultrium 4 Data Compression : LTO DC dual mode compression Error Correction : Reed-Solomon Read Channel Tech: Partial Response Max Likelihood (PRML) Data Encoding : RLL 0,13/11 DIM (H/W/D) : 120 x 218 x 297 mm ; WEIGHT : 5.57 kg Vendors Web Address www.hp.com.au