{"data":{"slug":"silicon-power-ud90","type":"ssd","brand":"Silicon Power","name":"UD90","aliases":["Silicon Power UD90","SP UD90","UD90 NVMe 4.0 Gen4 PCIe M.2 SSD","SP UD90 2280 PCIe Gen4 x4 NVMe SSD","SP02KGBP44UD9005"],"release_date":"2022-07","url":"https://arkivo.dev/ssds/silicon-power-ud90","specs":{"series":null,"model_numbers":["SP250GBP44UD9005","SP500GBP44UD9005","SP500GBP44UD9005AY","SP01KGBP44UD9005","SP01KGBP44UD9005AY","SU01KGBP44UD9005SN","SP02KGBP44UD9005","SP02KGBP44UD9005AY","SP04KGBP44UD9005","SP04KGBP44UD9005AY"],"gtins":["4713436149507","886576067612"],"announce_date":"2022-05-20","status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":null,"manufacturer_url":"https://www.silicon-power.com/product-detail/PCIe-Gen4-x4-UD90-2280/","spec_sheet_url":"https://www.silicon-power.com/download-detail/edm-ud90-2280/","manual_url":null,"eprel_registration_number":null,"warranty_years":5,"form_factor":"m2_2280","storage_gb":[250,500,1000,2000,4000],"interface":"pcie_nvme","pcie_gen":4,"pcie_lanes":4,"nvme_version":"1.4","cable_detachable":null,"controller":"Phison E21T","nand_type":null,"nand_flash":null,"nand_layers":null,"dram_cache":"hmb","dram_cache_gb":null,"pcb_sides":null,"seq_read_mbs":5000,"seq_write_mbs":4800,"random_read_iops":null,"random_write_iops":null,"endurance_tbw":600,"mtbf_h":1500000,"operating_temperature_c":{"min_c":0,"max_c":70},"power_consumption_read_w":null,"power_consumption_write_w":null,"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":["bare"],"rgb_lighting":null,"ip_rating":null,"drop_test_height_m":null,"security_features":null,"software_name":"SP ToolBox","compatible_platforms":["pc"],"dimensions_mm":{"length_mm":80,"width_mm":22,"height_mm":3.5},"weight_g":8,"in_the_box":null,"cables_included":null},"variants":[{"model_number":"SP250GBP44UD9005","storage_gb":[250],"heatsink":["bare"],"seq_read_mbs":4700,"seq_write_mbs":1500,"endurance_tbw":75},{"model_number":"SP500GBP44UD9005","model_numbers":["SP500GBP44UD9005","SP500GBP44UD9005AY"],"storage_gb":[500],"heatsink":["bare"],"seq_read_mbs":5000,"seq_write_mbs":2700,"endurance_tbw":150},{"model_number":"SP01KGBP44UD9005","model_numbers":["SP01KGBP44UD9005","SP01KGBP44UD9005AY","SU01KGBP44UD9005SN"],"storage_gb":[1000],"heatsink":["bare"],"nand_type":"tlc","nand_flash":"Micron 176-layer TLC (B47R)","nand_layers":176,"pcb_sides":"single_sided","seq_read_mbs":5000,"seq_write_mbs":4800,"endurance_tbw":300,"measured_seq_read_mbs":5061,"measured_seq_write_mbs":4643,"measured_random_read_q1_mbs":87.23,"measured_random_write_q1_mbs":397.62,"measured_slc_cache_gb":69,"measured_post_cache_write_mbs":1800,"measured_power_idle_mw":985,"launch_price_usd":94.99},{"model_number":"SP02KGBP44UD9005","gtin":"4713436149507","model_numbers":["SP02KGBP44UD9005","SP02KGBP44UD9005AY"],"gtins":["4713436149507","886576067612"],"storage_gb":[2000],"heatsink":["bare"],"seq_read_mbs":5000,"seq_write_mbs":4800,"endurance_tbw":600},{"model_number":"SP04KGBP44UD9005","model_numbers":["SP04KGBP44UD9005","SP04KGBP44UD9005AY"],"storage_gb":[4000],"heatsink":["bare"],"nand_type":"qlc","nand_flash":"Micron 176-layer QLC","nand_layers":176,"pcb_sides":"single_sided","seq_read_mbs":5000,"seq_write_mbs":4500,"endurance_tbw":1200}],"sources":[{"url":"https://www.silicon-power.com/product-detail/PCIe-Gen4-x4-UD90-2280/","kind":"manufacturer_page","accessed":"2026-10-14","fields":["manufacturer_url","model_numbers","status","form_factor","storage_gb","interface","pcie_gen","pcie_lanes","nvme_version","dram_cache","seq_read_mbs","seq_write_mbs","mtbf_h","operating_temperature_c","heatsink","software_name","compatible_platforms","dimensions_mm","weight_g","warranty_years","variants"],"notes":{"manufacturer_url":"Silicon Power global page for the 2280 drive. The UD90 is also sold as a 2230 drive, which is a separate product","model_numbers":"The P/N table lists SP250GBP44UD9005, SP500GBP44UD9005 and its AY twin, SP01KGBP44UD9005 with its AY and SN twins, SP02KGBP44UD9005 and its AY twin, and SP04KGBP44UD9005 with its AY twin. Silicon Power does not say what AY and SN mean","status":"The page is live with a Purchase tab and a datasheet issued 2026-07-07. The TBW sheet is dated 2026-08-05","form_factor":"Feature list reads M.2 2280 (80mm)","storage_gb":"Capacity row reads 250GB, 500GB, 1TB, 2TB, 4TB","interface":"Interface row reads PCIe Gen4 x4","pcie_gen":"PCIe Gen4 x4","pcie_lanes":"PCIe Gen4 x4","nvme_version":"Supports NVMe 1.4","dram_cache":"Supports Host Memory Buffer (HMB). The maker does not say there is no DRAM chip. Reviewers found none","seq_read_mbs":"Performance Read (max.): 250GB 4,700 MB/s and 5,000 MB/s for 500GB, 1TB, 2TB and 4TB. Footnote: performance varies by system and capacity. No test host is named","seq_write_mbs":"Performance Write (max.): 250GB 1,500, 500GB 2,700, 1TB 4,800, 2TB 4,800 and 4TB 4,500 MB/s. The 2022 launch figures were 4,800 read and 4,200 write for the 1TB and 250GB write was 1,950 in 2023. Today's page is stored","mtbf_h":"MTBF (est) 1,500,000 hours","operating_temperature_c":"Operating temperature 0 C to 70 C","heatsink":"The page shows a bare M.2 drive and lists no heatsink version","software_name":"Free download of SP ToolBox","compatible_platforms":"System requirement: a computer with M.2 slots supporting PCIe and an OS with NVMe support. No operating system is named, so PC is stored","dimensions_mm":"22.0mm x 80.0mm x 3.5mm. Stored as length 80, width 22 and height 3.5","weight_g":"Weight 8g","warranty_years":"5-year limited warranty. The warranty is based on the TBW or the warranty period. Market not named","variants":"Per capacity read and write speeds from the Performance Read (max.) and Performance Write (max.) rows and the P/N table"}},{"url":"https://www.silicon-power.com/download-detail/edm-ud90-2280/","kind":"manufacturer_pdf","accessed":"2026-10-14","fields":["spec_sheet_url","storage_gb","interface","nvme_version","dram_cache","seq_read_mbs","seq_write_mbs","mtbf_h","operating_temperature_c","dimensions_mm","weight_g","warranty_years"],"notes":{"spec_sheet_url":"SP UD90 2280 datasheet, e-DM issued on Jul. 7, 2026, one page","storage_gb":"Capacity: 250GB, 500GB, 1TB, 2TB, 4TB","interface":"Interface: PCIe Gen4 x4","nvme_version":"Gen4 x4 and NVMe 1.4","dram_cache":"Supports NVMe 1.4 and Host Memory Buffer (HMB)","seq_read_mbs":"Up to 5000MB/s. Per-capacity values are on the product page","seq_write_mbs":"Up to 4800MB/s. Footnote: read and write vary by system performance and capacity","mtbf_h":"MTBF: 1,500,000 hours","operating_temperature_c":"0 C - 70 C","dimensions_mm":"22.0mm x 80.0mm x 3.5mm","weight_g":"8g","warranty_years":"5-year limited warranty"}},{"url":"https://www.silicon-power.com/document/ssd_tbw/","kind":"manufacturer_pdf","accessed":"2026-10-14","fields":["endurance_tbw","variants"],"notes":{"endurance_tbw":"Silicon Power SSD products TBW sheet, file title dated 2026-08-05. Row UD90_2280: 250GB 75 TB, 500GB 150 TB, 1TB 300 TB, 2TB 600 TB and 4TB 1200 TB. The UD90_2230 drive has its own rows. At launch in 2022 reviews printed 200, 300 and 600 TB for 250GB, 500GB and 1TB, and in 2023 ServeTheHome printed 2400 TB for the 4TB. Today's sheet is stored","variants":"TBW per capacity"}},{"url":"https://sp-siliconpower.com/blogs/news/the-new-ud90-pcie-4-0-ssd-fuels-the-speed-to-succeed","kind":"press_release","accessed":"2026-10-14","fields":["announce_date","release_date"],"notes":{"announce_date":"Silicon Power's launch release is datelined Taipei, May 20st, 2022 (sic). This copy is a Silicon Power US blog post republished in 2023","release_date":"The release announces 250GB, 500GB and 1TB and gives no price. Tom's Hardware reviewed the 1TB on 18 July 2022 and said Silicon Power intended to launch with only the 1TB in the US. The first retail month is taken as 2022-07, which is two months after the announcement"}},{"url":"https://www.funkykit.com/news/silicon-power-announces-ud90-pcie-4-0-ssd/","kind":"press","accessed":"2026-10-14","fields":["announce_date"],"notes":{"announce_date":"Funky Kit reposted the release on 20 May 2022"}},{"url":"https://www.tomshardware.com/reviews/silicon-power-ud90-ssd-review","kind":"review_site","accessed":"2026-10-14","fields":["release_date","controller","dram_cache","variants"],"notes":{"release_date":"Review published 18 July 2022. It says Silicon Power intends to launch with just the 1TB in the US","controller":"Phison E21T, the first drive Tom's tested with it. Four channels and DRAM-less","dram_cache":"Spec table reads No (HMB). No DRAM on the board","variants":"1TB spec table and tests. The review lists 200, 300 and 600 TB and different speeds than today's maker page | launch_price_usd: 1TB. The review says Silicon Power says this will arrive at $94.99. The price is stated for the 1TB only | measured_seq_read_mbs: 1TB. Chart Peak Sequential Read 1MB QD 8, CrystalDiskMark, 5,061 MB/s, read from chart. Intel Core i9-11900K, ASRock Z590 Taichi, Windows 10 Pro, drive prefilled to 50% and tested as a secondary device. KitGuru has not tested the UD90, so another reviewer is used. The test size is not stated | measured_seq_write_mbs: 1TB. Chart Peak Sequential Write 1MB QD 8, 4,643 MB/s, read from chart. Same bench and fill | measured_random_read_q1_mbs: 1TB. Chart Random Read 4KB QD 1 (CrystalDiskMark) prints 21,297 IOPS. Stored as 87.23 MB/s, which is 21,297 x 4,096 bytes divided by 1,000,000, the way CrystalDiskMark converts. Same bench and fill | measured_random_write_q1_mbs: 1TB. Chart Random Write 4KB QD 1 prints 97,075 IOPS. Stored as 397.62 MB/s with the same conversion. Same bench and fill | measured_slc_cache_gb: 1TB. Iometer sequential write, 1MB blocks, queue depth 32, 15 minutes. The drive writes at over 4.6 GBps for almost 15 seconds, which the review says implies a dynamic cache of around 69GB. The drive was prefilled to 50%, so this is below an empty-drive size | measured_post_cache_write_mbs: 1TB, same Iometer run. After the cache the drive drops to around 1.8 GBps for about eight minutes, stored as 1800. The chart shows the drop to about 275 MB/s at about 500 seconds, which is not stored | measured_power_idle_mw: 1TB, read from chart. Quarch PPM idle power with ASPM/LPM disabled, 985 mW. Same bench | nand_flash: 1TB sample. Flash packages marked IA7BG94AYA, which the review reads as Micron 176-layer TLC (B47R) | nand_layers: 1TB sample, 176-layer"}},{"url":"https://pcper.com/2023/02/silicon-power-pcie-gen-4x4-ud90-1tb-nvme-ssd-review-excellent-value/","kind":"review_site","accessed":"2026-10-14","fields":["controller","variants"],"notes":{"controller":"Phison E21 (PS5021-E21T) controller, DRAM-less","variants":"1TB review sample, February 2023 | pcb_sides: 1TB. The chips sit under the foil label on a single-sided board | nand_flash: 1TB. Micron 176-layer 3D TLC NAND, no QLC. Chip information credited to TechPowerUp | nand_type: 1TB. TLC, no QLC | nand_layers: 1TB. 176-layer"}},{"url":"https://www.servethehome.com/silicon-power-ud90-4tb-nvme-ssd-review/","kind":"review_site","accessed":"2026-10-14","fields":["controller","nvme_version","variants"],"notes":{"controller":"Phison PS5021-E21T","nvme_version":"CrystalDiskInfo confirms PCIe 4.0 x4 and NVMe 1.4","variants":"4TB review sample. It was rated 5000 MB/s read, 4500 MB/s write and 2400 TBW at the time | pcb_sides: 4TB. Single-sided M.2 2280 with a barren back | nand_flash: 4TB sample from November 2023. Micron 176-layer QLC, no DRAM cache | nand_type: 4TB. QLC | nand_layers: 4TB. 176-layer"}},{"url":"https://www.buildcores.com/products/Storage/zdilema3v/Silicon-Power-UD90-2TB-SSD-M.2-2280-PCIe-4.0-x4-NVMe","kind":"spec_database","accessed":"2026-10-14","fields":["gtins","model_numbers","variants"],"notes":{"gtins":"2TB listing: UPC 886576067612 and EAN 4713436149507","model_numbers":"Lists SP02KGBP44UD9005, SP02KGBP44UD9005AY and SU02KGBP44UD9005SN. The SN part is not on the Silicon Power page and is not stored","variants":"GTINs for the 2TB row"}}],"fields_filled":25,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}