Buying storage for archiving/saving data

I. Multiple 8TB external hard drive + USB 3.0 port + (RAID)

pros: 1. relatively cheap and flexible

cons: 1. performance could be horrible 2. not quite reliable

  1. 56TB
7 x Seagate Expansion 8TB Desktop External Hard Drive ​https://www.amazon.com/Seagate-Expansion-Desktop-External-STEB8000100/dp/B01HAPGEIE/ref=sr_1_2?s=electronics&rps=1&ie=UTF8&qid=1540229650&sr=1-2&keywords=16tb+external+hard+drive&refinements=p_n_feature_two_browse-bin%3A5446816011%2Cp_85%3A2470955011&dpID=41mDnJ8-plL&preST=_SY300_QL70_&dpSrc=srch 7X150=$1050
1 x Sabrent 60W 7-Port USB 3.0 Hub ​https://www.amazon.com/Sabrent-Charging-Individual-Switches-HB-B7C3/dp/B0797NWDCB/ref=sr_1_8?rps=1&ie=UTF8&qid=1540316819&sr=8-8&keywords=7+port+hub+usb3&refinements=p_85%3A2470955011 $40
Total 56TB or 48TB with RAID redundancy $1090

II. Network-attached Storage (NAS) —QNAP

pros: high performance and stable

cons: cost

  1. 40TB
QNAP TS-431P2-1G-US Diskless System Network Storage ​https://www.newegg.com/Product/Product.aspx?Item=N82E16822107986&ignorebbr=1 $330
4 x 10TB Seagate SkyHawk Surveillance Hard Drive ​https://www.newegg.com/Product/Product.aspx?Item=N82E16822178999 4x320=$1280
Total 40TB $1610
  1. 60TB
QNAP TS-669L-US Diskless System High-performance 6-bay NAS Server for SMBs ​https://www.newegg.com/Product/Product.aspx?Item=9SIA0AJ2U04041 $1000
6 x 10TB Seagate SkyHawk Surveillance Hard Drive ​https://www.newegg.com/Product/Product.aspx?Item=N82E16822178999 6*320=$1920
Total 60TB $2920
  1. 100TB
QNAP REXP-1000-PRO SAS/SATA/SSD RAID Expansion Enclosure for Turbo NAS ​https://www.newegg.com/Product/Product.aspx?Item=9SIA0ZX7MN0982 $1250
10 x 10TB Seagate SkyHawk Surveillance Hard Drive ​https://www.newegg.com/Product/Product.aspx?Item=N82E16822178999 10*320=$3200
Total 100TB $4450
  1. 120TB
QNAP High Performance 12 bay (8+4) NAS/iSCSI IP-SAN. Intel Skylake Core i3-6100 3.7 GHz Dual core, 8GB RAM, 10G-ready ​https://www.newegg.com/Product/Product.aspx?Item=9SIA25V4S75250 $2000
12 x 10TB Seagate SkyHawk Surveillance Hard Drive ​https://www.newegg.com/Product/Product.aspx?Item=N82E16822178999 12*320=$3840
Total 120TB $5840

III. Cloud space: Amazon Glacier

pros: 1. charged every month

cons: 1. hard to predict total fees

$48 per TB per year + Other fees(retrieval,request,Data transfer etc)

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