21	ClickFree HD801 160 GB Portable Backup Drive Small and compact Portable Backup Drive / 160GB / 5400rpm / 8mb Cache / 2.5 inches / USB More + Add to Shopzilla List	$81 to $200 Found at 14 stores
22	LaCie 1TB Triple Interface External Hard Disk (301315U) eSATA - FireWire-400 - USB 2.0 - Design by Neil Poulton - Online Backup More + Add to Shopzilla List	$130 to $181 Found at 33 stores
23	LaCie 500GB d2 Quadra Hard Drive (301440U) USB 2.0 - FireWire-400 - FireWire-800 - eSATA - Backup Software More + Add to Shopzilla List	$114 to $168 Found at 31 stores
24	Toshiba 500 GB USB 2.0 Portable Hard Dive HDDR500E04XL (Liquid... + Add to Shopzilla List $90 at Amazon.com	$90 Found at 1 store
25	Western Digital My Book Essential 500 GB USB 2.0 Desktop External... + Add to Shopzilla List $85 at Amazon.com	$85 Found at 1 store
26	Buffalo 2TB TeraStation III 4-Drive NAS Array 2TB TeraStation... RAID 0, 1, 5, 10, JBOD, Dual Gigabit Ethernet Interface, Active Directory Support, USB Storage Server, Memeo Backup More + Add to Shopzilla List	$918 to $1,302 Found at 22 stores
27	Hewlett Packard Hard Drives 500GB HP SimpleSave USB 2.0 Portable... + Add to Shopzilla List $140 at PC Connection	$140 Found at 1 store
28	Western Digital My Book for Mac 1 TB USB 2.0 Desktop External... + Add to Shopzilla List $109 at Amazon.com	$109 Found at 1 store
29	HP SimpleSave 500 GB USB 2.0 Portable External Hard Drive HPBAAC5000ABK... + Add to Shopzilla List $109 at Amazon.com	$109 Found at 1 store
30	Seagate Technology 1TB BlackArmor External Hard Drive + Add to Shopzilla List $142 at PC Connection	$142 Found at 1 store
31	LaCie 1TB 2big Quadra External Hard Drive (301350U) eSATA - FireWire-800 - FireWire-400 - USB 2.0 - RAID 0 - RAID 1 - Swappable Drives - Backup Software More + Add to Shopzilla List	$208 to $306 Found at 20 stores
32	Western Digital WDBAAG0010HCH-NESN 1TB My Book Mac External Hard... + Add to Shopzilla List $110 at J&R	$110 Found at 1 store
33	LaCie 500GB Triple Interface External Hard Disk (301313U) eSATA - FireWire-400 - USB 2.0 - Design by Neil Poulton - Online Backup More + Add to Shopzilla List	$95 to $131 Found at 29 stores
34	Iomega 500GB eGo Portable Hard Drive - Brown Leather USB 2.0, 5400rpm, 8MB Buffer, EMC Retrospect HD Backup Software More + Add to Shopzilla List	$104 to $148 Found at 26 stores
35	Verbatim 500GB USB/FireWire External Hard Drive (96638) FireWire-400 - USB 2.0 - 7200rpm - Backup Software More + Add to Shopzilla List	$88 to $158 Found at 17 stores
36	HITACHI SIMPLEDRIVEIII EXT 1TB External Hard Drive + Add to Shopzilla List $140 at OfficeMax	$140 Found at 1 store
37	Western Digital 4TB My Book World Edition II External Hard Drive... Gigabit Ethernet, RAID 0, RAID 1, Span, JBOD, Automatic Network Backup, Remote File Access, Mac and Windows... More + Add to Shopzilla List	$488 to $700 Found at 31 stores
38	Western Digital My Book Essential 1.5 TB USB 2.0 Desktop External... + Add to Shopzilla List $139 at Amazon.com	$139 Found at 1 store
39	Verbatim 2TB USB/eSATA External Hard Drive (96742) eSATA - eSATA - USB 2.0 - 7200rpm - Backup Software More + Add to Shopzilla List	$224 to $297 Found at 19 stores