{"data":{"slug":"corsair-ex400u-survivor","type":"ssd","brand":"CORSAIR","name":"EX400U SURVIVOR","aliases":["CORSAIR EX400U SURVIVOR USB4 External SSD","EX400U SURVIVOR 2TB","EX400U Survivor Rugged USB4 SSD","CSSD-EX400US2TB"],"release_date":"2025-10","url":"https://arkivo.dev/ssds/corsair-ex400u-survivor","specs":{"series":"EX400U","model_numbers":["CSSD-EX400US1TB","CSSD-EX400US2TB","CSSD-EX400US4TB"],"gtins":null,"announce_date":"2025-10-23","status":"available","predecessor":null,"successor":null,"launch_price_usd":254.99,"launch_price_eur":null,"markets":null,"colors":null,"manufacturer_url":"https://www.corsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tb","spec_sheet_url":null,"manual_url":null,"eprel_registration_number":null,"warranty_years":5,"form_factor":"external","storage_gb":[1000,2000,4000],"interface":"usb4","pcie_gen":null,"pcie_lanes":null,"nvme_version":null,"cable_detachable":true,"controller":"Phison PS2251-21","nand_type":"tlc","nand_flash":"Kioxia TLC","nand_layers":null,"dram_cache":null,"dram_cache_gb":null,"pcb_sides":null,"seq_read_mbs":4000,"seq_write_mbs":3600,"random_read_iops":null,"random_write_iops":null,"endurance_tbw":500,"mtbf_h":1400000,"operating_temperature_c":{"min_c":0,"max_c":70},"power_consumption_read_w":4.5,"power_consumption_write_w":4.1,"power_consumption_max_w":null,"power_consumption_average_mw":null,"power_consumption_idle_mw":null,"power_consumption_sleep_mw":null,"measured_seq_read_mbs":null,"measured_seq_write_mbs":null,"measured_random_read_q1_mbs":null,"measured_random_write_q1_mbs":null,"measured_slc_cache_gb":null,"measured_post_cache_write_mbs":null,"benchmark_3dmark_storage":null,"measured_max_temp_c":null,"measured_power_idle_mw":null,"heatsink":null,"rgb_lighting":null,"ip_rating":["IP55"],"drop_test_height_m":null,"security_features":null,"software_name":"Corsair SSD Toolbox","compatible_platforms":["windows","macos","ios","ipados"],"dimensions_mm":{"length_mm":82.1,"width_mm":40,"height_mm":17.1},"weight_g":80,"in_the_box":["EX400U Survivor External SSD","USB-C to USB-C cable (30cm, 40Gb)"],"cables_included":[{"type":"USB-C to USB-C","length_m":0.3,"count":1}]},"variants":[{"model_number":"CSSD-EX400US1TB","storage_gb":[1000],"seq_read_mbs":4000,"seq_write_mbs":3600,"endurance_tbw":250,"launch_price_usd":144.99},{"model_number":"CSSD-EX400US2TB","storage_gb":[2000],"seq_read_mbs":4000,"seq_write_mbs":3600,"endurance_tbw":500,"launch_price_usd":254.99},{"model_number":"CSSD-EX400US4TB","storage_gb":[4000],"seq_read_mbs":4000,"seq_write_mbs":3600,"endurance_tbw":1000,"launch_price_usd":409.99}],"sources":[{"url":"https://www.corsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tb","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url","model_numbers","form_factor","storage_gb","interface","cable_detachable","seq_read_mbs","seq_write_mbs","ip_rating","warranty_years","software_name","in_the_box","cables_included","compatible_platforms","status"],"notes":{"model_numbers":"SKU CSSD-EX400US2TB on the 2TB page. The capacity selector offers 1 TB, 2 TB and 4 TB, each with its own page and SKU (CSSD-EX400US1TB, CSSD-EX400US4TB). The 1TB and 4TB pages showed Out Of Stock on 2026-10-15","storage_gb":"Capacity selector offers 1 TB, 2 TB and 4 TB","interface":"Page says blazing-fast USB4 up to 40Gbps, USB4/Thunderbolt 4/iOS compatible and backwards compatible with USB 3.2 Type-C. Maximum performance needs a USB4 or higher connection. Stored as USB4, since Corsair does not call the drive a Thunderbolt device","cable_detachable":"One USB Type-C cable handles power and data and is listed in the package contents as a separate item","seq_read_mbs":"Page says up to 4,000MB/sec read and 3,600MB/sec write, with the note that performance varies by capacity. No test tool, host or queue depth is given. The 1TB and 4TB pages show the same figures","seq_write_mbs":"Up to 3,600MB/sec. Kakaku.com lists 3,500 MB/s write for the 1TB, which conflicts with the 1TB page and is not used","ip_rating":"Page says a rugged, environmentally sealed enclosure (IP55)","warranty_years":"Page says a five-year warranty","software_name":"Downloads list CORSAIR SSD Toolbox 2.0 Preview and the EX400U/EX400U SURVIVOR firmware update utility","in_the_box":"Package Contents row reads EX400U Survivor External SSD, USB-C to USB-C cable (30cm, 40Gb). Stored as two items","cables_included":"Package contents list a USB-C to USB-C cable of 30cm that carries 40Gb","compatible_platforms":"Page names USB4/Thunderbolt 4 laptop and desktop hosts and iOS/iPadOS 13 and later with USB Type-C. The blog names Windows, macOS, iOS and iPadOS","status":"2TB page showed In Stock on 2026-10-15"}},{"url":"https://www.corsair.com/us/en/p/data-storage/cssd-ex400us1tb/ex400u-survivor-1tb-usb4-external-ssd-cssd-ex400us1tb","kind":"manufacturer_page","accessed":"2026-10-15","fields":["variants"],"notes":{"variants":"1TB page, SKU CSSD-EX400US1TB, up to 4,000MB/sec read and 3,600MB/sec write. The page price is a current price and is not stored"}},{"url":"https://www.corsair.com/us/en/p/data-storage/cssd-ex400us4tb/ex400u-survivor-4tb-usb4-external-ssd-cssd-ex400us4tb","kind":"manufacturer_page","accessed":"2026-10-15","fields":["variants"],"notes":{"variants":"4TB page, SKU CSSD-EX400US4TB, up to 4,000MB/sec read and 3,600MB/sec write. The page price is a current price and is not stored"}},{"url":"https://www.corsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-know/","kind":"manufacturer_page","accessed":"2026-10-15","fields":["dimensions_mm","weight_g","power_consumption_read_w","power_consumption_write_w","ip_rating","warranty_years","compatible_platforms","interface","nand_type","controller","series","seq_read_mbs","seq_write_mbs","release_date"],"notes":{"dimensions_mm":"Comparison table: 82.1 x 40 x 17.1 mm, written L x W x H. The launch spec in the Japanese press release agrees (width 40, depth 82.1, height 17.1)","weight_g":"Comparison table: 80 g (2.8 oz). The blog is dated as updated 2025-12-03. The launch spec reprinted by GDM gave 149 g, and Phototrend and GuiaHardware repeat 149 g. SmartWorld gives 83 g and a Phototrend reader measured 82.44 g for a 1TB drive. The later maker figure of 80 g is stored","power_consumption_read_w":"Comparison table: Power Active Read 4.5 W. SmartWorld lists 4.5 W too","power_consumption_write_w":"Comparison table: Power Active Write 4.1 W","ip_rating":"Comparison table IP Rating: IP55. Text: partial dust protection and protection against water jets from any direction, not submersion","warranty_years":"Comparison table: 5 years, against 3 years for the EX400U","compatible_platforms":"Text: a wide range of devices and operating systems, including Windows, macOS, iOS, and iPadOS. Works with Thunderbolt 4 and Thunderbolt 5","interface":"Table row Interface: USB4 Type-C, backward compatible with USB 3.2","controller":"Text says the Survivor uses the same controller and NAND as the EX400U. The EX400U's controller is the Phison PS2251-21","nand_type":"Text says the same controller and NAND as the EX400U. The SSD Review reads KIOXIA TLC memory for the EX400U","series":"Blog compares the drive with the original EX400U and calls the Survivor the latest addition to the portable SSD lineup","seq_read_mbs":"Peak sequential performance of up to 4,000MB/s reads and 3,600MB/s writes when connected to a USB4 host","seq_write_mbs":"Up to 3,600MB/s on a USB4 host","release_date":"Blog was last updated 2025-12-03"}},{"url":"https://www.corsair.com/newsroom/press-release/corsair-adds-rugged-performance-and-mobile-convenience-to-its-storage-portfolio","kind":"press_release","accessed":"2026-10-15","fields":["announce_date","release_date","status","software_name","warranty_years","ip_rating"],"notes":{"announce_date":"Press release dated 2025-10-23, announcing the EX400U SURVIVOR and the EX300U","release_date":"Says the drive is available immediately from the Corsair webstore and retailers in 1TB to 4TB. This is the first sign of the SURVIVOR. The non-rugged EX400U came out earlier in 2025","status":"Available at launch. Corsair's store still lists the SKUs in 2026","software_name":"Says the drive includes CORSAIR SSD Toolbox software for secure erase and firmware updates","warranty_years":"Five-year limited warranty","ip_rating":"Durable, impact-resistant IP55-rated housing"}},{"url":"https://www.gdm.or.jp/pressrelease/2025/1024/609408","kind":"press","accessed":"2026-10-15","fields":["launch_price_usd","mtbf_h","controller","variants","dimensions_mm","endurance_tbw"],"notes":{"launch_price_usd":"Japanese reprint of Corsair's 2025-10-23 announcement lists the US direct-sale prices in USD at launch: 1TB 144.99, 2TB 254.99, 4TB 409.99. Excl. sales tax. IT Home reports the same three prices. No EUR launch price was found. Base value is the 2TB","mtbf_h":"MTBF 1.4 million hours, the same for all capacities","controller":"Phison PS2251-21","endurance_tbw":"Write endurance 250 TBW (1TB), 500 TBW (2TB), 1,000 TBW (4TB). The base value is the 2TB. SmartWorld and Profesional Review give the same three figures","variants":"Write endurance 250 TBW (1TB), 500 TBW (2TB), 1,000 TBW (4TB). SKUs CSSD-EX400US1TB, CSSD-EX400US2TB and CSSD-EX400US4TB with the prices above","dimensions_mm":"Width 40 mm, depth 82.1 mm, height 17.1 mm. The same listing gives 149 g, which Corsair later replaced with 80 g"}},{"url":"https://www.ithome.com/0/891/958.htm","kind":"press","accessed":"2026-10-15","fields":["launch_price_usd"],"notes":{"launch_price_usd":"Chinese report of the same announcement: 144.99 / 254.99 / 409.99 USD for the three capacities, with a five-year warranty"}},{"url":"https://www.smartworld.it/recensioni/corsair-ex400u-survivor","kind":"review_site","accessed":"2026-10-15","fields":["controller","mtbf_h","operating_temperature_c","power_consumption_read_w","variants"],"notes":{"controller":"Spec table: Phison PS2251-21","mtbf_h":"Spec table: MTBF 1,400,000 hours","operating_temperature_c":"Spec table: operating temperature 0 C to 70 C","power_consumption_read_w":"Spec table: power use 4.5 W, which matches Corsair's active read figure","variants":"Spec table: TBW 250 (1 TB), 500 (2 TB), 1,000 (4 TB)"}},{"url":"https://www.profesionalreview.com/2025/11/29/corsair-ex400u-survivor-review/amp/","kind":"review_site","accessed":"2026-10-15","fields":["operating_temperature_c","variants","controller","nand_flash","dimensions_mm"],"notes":{"operating_temperature_c":"Operating 0 C to 70 C and storage -40 C to 85 C, from the maker's resistance specs. Storage range not stored","variants":"TBW 250 for 1 TB, 500 for 2 TB and 1000 for 4 TB","controller":"Phison PS2251-21","nand_flash":"Says the drive uses KIOXIA 3D NAND and that the maker does not say TLC or QLC","dimensions_mm":"About 8.2 x 4 x 1.7 cm and about 80 g"}},{"url":"https://thessdreview.com/hardware/portable-ssds/corsair-ex400u-usb4-external-ssd-review","kind":"review_site","accessed":"2026-10-15","fields":["nand_type","nand_flash"],"notes":{"nand_type":"Review of the non-rugged EX400U, which Corsair says shares its controller and NAND with the SURVIVOR: Phison PS2251-21 USB4 controller with KIOXIA TLC memory. No review of the SURVIVOR opened the drive, so this is the sibling's reading, backed by Corsair's statement and GuiaHardware's reading of the SURVIVOR","nand_flash":"KIOXIA TLC memory. No layer count or generation is published"}},{"url":"https://www.guiahardware.es/corsair-ex400u-survivor-analisis-a-fondo-de-un-ssd-usb4-todoterreno/","kind":"review_site","accessed":"2026-10-15","fields":["nand_type","nand_flash","controller"],"notes":{"nand_type":"Spec list for the 2TB SURVIVOR: NAND Flash TLC (Kioxia)","nand_flash":"Kioxia TLC","controller":"Controller Phison PS2251-21. The review's weight of 149 g is the old launch figure"}},{"url":"https://kakaku.com/item/K0001723770/spec/","kind":"spec_database","accessed":"2026-10-15","fields":["mtbf_h"],"notes":{"mtbf_h":"MTBF 140万時間 (1.4 million hours) for the 2TB. The 1TB and 4TB pages say the same. The 1TB page lists write 3500 MB/s, which conflicts with Corsair's 3,600 and is not used. Japanese release date on the site is 2025-12-18"}}],"fields_filled":28,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}