I have been doing some research for a customer that need to store huge amounts of TIFF images of maps. Trying to find the cheapest cost per terabyte online NAS(Network Attached Storage). Thought that the results might be interesting so posted them here. Note: all prices are in GBP(£) and available here in the UK.

Summary:

Tb After RAID
(£/Tb)
(~$/Tb)
LaCie 1TB Big Disk USB2 7200rpm 8MB (x2 mirrored)
1
£770
$1338
Buffalo Terrastation 1.6TB – Network Attached Storage
1.2
£678
$1177
Thecus N4100 NAS Server + 4x 500Gb Maxtor Pro
1.5
£813
$1412
4U CyberStore Storage Server + 16x 500Gb Maxtor Pro
7.5
£653
$1135
5U CyberStore Storage Server + 24x 500Gb Maxtor Pro
11
£694
$1205
R3161 NAS RAID System, 3U 16 Bay
7.5
£1032
$1794
R5241i NAS RAID System, 5U 24 Bay
11
£997
$1733
15 Drive 3U Rack + 15x 500Gb Maxtor Pro (Parts)
7
£618
$1074
40 Drive 8U Rack + 40x 500Gb Maxtor Pro (Parts)
18.5
£595
$1033
48 Drive 5U Rack + 48x 500Gb Maxtor Pro (Parts)
22.5
£596
$1036