{"id":399,"date":"2011-01-27T17:07:26","date_gmt":"2011-01-27T17:07:26","guid":{"rendered":"http:\/\/poojanwagh.opalstacked.com\/techblog\/?p=399"},"modified":"2011-12-14T07:14:23","modified_gmt":"2011-12-14T07:14:23","slug":"more-flash-usb-disk-tests","status":"publish","type":"post","link":"https:\/\/tech.poojanblog.com\/blog\/desk\/more-flash-usb-disk-tests\/","title":{"rendered":"More flash USB disk tests"},"content":{"rendered":"<p>Tested <a title=\"Flash disk cost and performance (USB, SSD, SDHC)\" href=\"http:\/\/poojanwagh.opalstacked.com\/techblog\/desk\/flash-disk-cost-and-performance-usb-ssd-sdhc\/\">some more USB flash drives<\/a>. Running from my Lenovo work laptop, USB 2.0 only:<\/p>\n<h4>Random 8G USB from a vendor<\/h4>\n<pre>\r\n-----------------------------------------------------------------------\r\nCrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo\r\n                           Crystal Dew World : http:\/\/crystalmark.info\/\r\n-----------------------------------------------------------------------\r\n* MB\/s = 1,000,000 byte\/s [SATA\/300 = 300,000,000 byte\/s]\r\n\r\n           Sequential Read :    18.216 MB\/s\r\n          Sequential Write :     4.232 MB\/s\r\n         Random Read 512KB :    18.144 MB\/s\r\n        Random Write 512KB :     1.226 MB\/s\r\n    Random Read 4KB (QD=1) :     5.264 MB\/s [  1285.0 IOPS]\r\n   Random Write 4KB (QD=1) :     0.013 MB\/s [     3.2 IOPS]\r\n   Random Read 4KB (QD=32) :     6.080 MB\/s [  1484.4 IOPS]\r\n  Random Write 4KB (QD=32) :     0.013 MB\/s [     3.3 IOPS]\r\n\r\n  Test : 1000 MB [E: 0.0% (0.0\/7834.6 MB)] (x9)\r\n  Date : 2011\/01\/28 17:02:33\r\n    OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x64)\r\n  <\/pre>\n<h4>Super Talent Express Duo 8GB (capable of USB 3.0, but running in USB 2.0)<\/h4>\n<pre>-----------------------------------------------------------------------\r\nCrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo\r\n                           Crystal Dew World : <a href=\"http:\/\/crystalmark.info\/\">http:\/\/crystalmark.info\/<\/a>\r\n-----------------------------------------------------------------------\r\n* MB\/s = 1,000,000 byte\/s [SATA\/300 = 300,000,000 byte\/s]\r\n\r\n           Sequential Read :    31.912 MB\/s\r\n          Sequential Write :    14.811 MB\/s\r\n         Random Read 512KB :    30.780 MB\/s\r\n        Random Write 512KB :     1.146 MB\/s\r\n    Random Read 4KB (QD=1) :     6.458 MB\/s [  1576.6 IOPS]\r\n   Random Write 4KB (QD=1) :     0.006 MB\/s [     1.5 IOPS]\r\n   Random Read 4KB (QD=32) :     5.931 MB\/s [  1448.0 IOPS]\r\n  Random Write 4KB (QD=32) :     0.007 MB\/s [     1.6 IOPS]\r\n\r\n  Test : 1000 MB [F: 0.9% (65.5\/7500.0 MB)] (x9)\r\n  Date : 2011\/01\/24 8:55:51\r\n    OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x64)\r\n<\/pre>\n<h4>Super Talent Pico 16 GB<\/h4>\n<pre>-----------------------------------------------------------------------\r\nCrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo\r\n                           Crystal Dew World : <a href=\"http:\/\/crystalmark.info\/\">http:\/\/crystalmark.info\/<\/a>\r\n-----------------------------------------------------------------------\r\n* MB\/s = 1,000,000 byte\/s [SATA\/300 = 300,000,000 byte\/s]\r\n\r\n           Sequential Read :    27.214 MB\/s\r\n          Sequential Write :     7.079 MB\/s\r\n         Random Read 512KB :    27.897 MB\/s\r\n        Random Write 512KB :     1.420 MB\/s\r\n    Random Read 4KB (QD=1) :     6.475 MB\/s [  1580.8 IOPS]\r\n   Random Write 4KB (QD=1) :     0.014 MB\/s [     3.3 IOPS]\r\n   Random Read 4KB (QD=32) :     7.525 MB\/s [  1837.0 IOPS]\r\n  Random Write 4KB (QD=32) :     0.014 MB\/s [     3.5 IOPS]\r\n\r\n  Test : 1000 MB [E: 0.0% (0.0\/14.9 GB)] (x9)\r\n  Date : 2011\/01\/24 9:51:09\r\n    OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x64)\r\n<\/pre>\n<\/p>\n<div class='wp_likes' id='wp_likes_post-399'><a class='like' href=\"javascript:wp_likes.like(399);\" title='' ><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/tech.poojanblog.com\/blog\/wp-content\/plugins\/wp-likes\/images\/like.png\" alt='' border='0'\/><\/a><span class='text'>Be the first to like.<\/span><\/p>\n<div class='like' ><a href=\"javascript:wp_likes.like(399);\">Like<\/a><\/div>\n<div class='unlike' ><a href=\"javascript:wp_likes.unlike(399);\">Unlike<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tested some more USB flash drives. Running from my Lenovo work laptop, USB 2.0 only: Random 8G USB from a vendor &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo Crystal Dew World : http:\/\/crystalmark.info\/ &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; * MB\/s = 1,000,000 byte\/s [SATA\/300 = 300,000,000 byte\/s] Sequential Read : 18.216 MB\/s Sequential Write : 4.232 MB\/s Random Read [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[38],"tags":[137,11,31],"class_list":["post-399","post","type-post","status-publish","format-standard","hentry","category-desk","tag-benchmarks","tag-drives","tag-usb-drive"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/posts\/399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/comments?post=399"}],"version-history":[{"count":14,"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/posts\/399\/revisions"}],"predecessor-version":[{"id":561,"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/posts\/399\/revisions\/561"}],"wp:attachment":[{"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/media?parent=399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/categories?post=399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech.poojanblog.com\/blog\/wp-json\/wp\/v2\/tags?post=399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}