{"id":86310,"date":"2025-06-24T18:00:12","date_gmt":"2025-06-25T01:00:12","guid":{"rendered":"https:\/\/phisonblog.com\/?p=86310"},"modified":"2025-07-30T11:19:40","modified_gmt":"2025-07-30T18:19:40","slug":"phison-corsair-ex400u-usb4-review-the-fastest-portable-ssd-weve-tested-yet","status":"publish","type":"post","link":"https:\/\/phisonblog.com\/zh\/phison-corsair-ex400u-usb4-review-the-fastest-portable-ssd-weve-tested-yet\/","title":{"rendered":"PHISON \u2013 Corsair EX400U USB4 \u8bc4\u6d4b\uff1a\u6211\u4eec\u6d4b\u8bd5\u8fc7\u7684\u6700\u5feb\u4fbf\u643a\u5f0f SSD"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_row _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.27.4″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

“The Corsair EX400U features\u00a0Phison\u2019s PS2251-21<\/strong>\u00a0controller and 3D TLC NAND (from Kioxia if I am not mistaken). It comes in 1TB, 2TB, and 4TB capacities, and is one of the few external SSDs with a magnetic ring on the back, allowing it to easily attach to metal surfaces or MagSafe-compatible smartphones like the iPhone.<\/p>\n

. . .<\/p>\n

According to Corsair, the EX400U is built with Phison\u2019s newer PS2251-21 controller, which is touted as the\u00a0world\u2019s first native USB 4.0 controller<\/em>. Phison states that the PS2251-21 (U21) USB 4.0 NAND flash controller eliminates the need for bridge boards, enabling compact, single-chip portable SSDs with lightning-fast speeds.<\/p>\n

Phison claims the PS2251-21 offers low cost and efficient heat dissipation, thanks to its advanced manufacturing process and design, while delivering high performance and power efficiency. It also features full backward compatibility with all existing USB standards across various generations and lane configurations, making it a versatile solution for all USB interface requirements.”- thepcenthusiast.com<\/p>\n

Source: thepcenthusiast.com<\/a><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

“The Corsair EX400U features\u00a0Phison\u2019s PS2251-21\u00a0controller and 3D TLC NAND (from Kioxia if I am not mistaken). It comes in 1TB, 2TB, and 4TB capacities, and is one of the few external SSDs with a magnetic ring on the back, allowing it to easily attach to metal surfaces or MagSafe-compatible smartphones like the iPhone. . . […]<\/p>\n","protected":false},"author":10,"featured_media":86311,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"

\"The Corsair EX400U features\u00a0Phison\u2019s PS2251-21<\/strong>\u00a0controller and 3D TLC NAND (from Kioxia if I am not mistaken). It comes in 1TB, 2TB, and 4TB capacities, and is one of the few external SSDs with a magnetic ring on the back, allowing it to easily attach to metal surfaces or MagSafe-compatible smartphones like the iPhone.<\/p>

. . .<\/p>

Phison PS2251-21 \u2013 World\u2019s First Native USB 4.0 Controller<\/p>

According to Corsair, the EX400U is built with Phison\u2019s newer PS2251-21 controller, which is touted as the\u00a0world\u2019s first native USB 4.0 controller<\/em>. Phison states that the PS2251-21 (U21) USB 4.0 NAND flash controller eliminates the need for bridge boards, enabling compact, single-chip portable SSDs with lightning-fast speeds.<\/p>

Phison claims the PS2251-21 offers low cost and efficient heat dissipation, thanks to its advanced manufacturing process and design, while delivering high performance and power efficiency. It also features full backward compatibility with all existing USB standards across various generations and lane configurations, making it a versatile solution for all USB interface requirements.\"- thepcenthusiast.com<\/p>

Source: thepcenthusiast.com<\/a><\/p>","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[114],"tags":[22],"class_list":["post-86310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phison-in-the-news","tag-long-content"],"acf":[],"_links":{"self":[{"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/posts\/86310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/comments?post=86310"}],"version-history":[{"count":4,"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/posts\/86310\/revisions"}],"predecessor-version":[{"id":86800,"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/posts\/86310\/revisions\/86800"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/media\/86311"}],"wp:attachment":[{"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/media?parent=86310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/categories?post=86310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phisonblog.com\/zh\/wp-json\/wp\/v2\/tags?post=86310"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}