{"data":{"slug":"silicon-power-ace-a55","type":"ssd","brand":"Silicon Power","name":"Ace A55","aliases":["Silicon Power A55","SP Ace A55","SP Ace A55 SATA III SSD","A55 2.5 inch SATA III SSD"],"release_date":"2017-11","url":"https://arkivo.dev/ssds/silicon-power-ace-a55","specs":{"series":null,"model_numbers":["SP128GBSS3A55S25","SPJ128GBSS3A55B","SU128GBSS3A55S25EU","SP256GBSS3A55S25","SPJ256GBSS3A55B","SU256GBSS3A55S25EU","SU256GBSS3A55S25AH","SP512GBSS3A55S25","SPJ512GBSS3A55B","SU512GBSS3A55S25EU","SP001TBSS3A55S25","SPJ001TBSS3A55B","SU001TBSS3A55S25EU","SU001TBSS3A55S25AC","SP002TBSS3A55S25","SPJ002TBSS3A55B","SU002TBSS3A55S25EU","SU002TBSS3A55S25SN","SP004TBSS3A55S25","SPJ004TBSS3A55B","SP004TBSS3A55S25AY","SP008TBSS3A55S25","SP016TBSS3A55S25"],"gtins":["886576030425","886576078304","886576030449","886576030456","886576037912","886576069678"],"announce_date":null,"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/Ace_A55/","spec_sheet_url":"https://www.silicon-power.com/download-detail/edm-ace-a55/","manual_url":null,"eprel_registration_number":null,"warranty_years":3,"form_factor":"2_5_inch","storage_gb":[128,256,512,1000,2000,4000,8000,16000],"interface":"sata","pcie_gen":null,"pcie_lanes":null,"nvme_version":null,"cable_detachable":null,"controller":null,"nand_type":null,"nand_flash":null,"nand_layers":null,"dram_cache":null,"dram_cache_gb":null,"pcb_sides":null,"seq_read_mbs":500,"seq_write_mbs":450,"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":100,"width_mm":69.9,"height_mm":7},"weight_g":63,"in_the_box":null,"cables_included":null},"variants":[{"model_number":"SP128GBSS3A55S25","model_numbers":["SP128GBSS3A55S25","SPJ128GBSS3A55B","SU128GBSS3A55S25EU"],"gtins":["886576030425"],"storage_gb":[128],"seq_read_mbs":460,"seq_write_mbs":360,"endurance_tbw":37},{"model_number":"SP256GBSS3A55S25","model_numbers":["SP256GBSS3A55S25","SPJ256GBSS3A55B","SU256GBSS3A55S25EU","SU256GBSS3A55S25AH"],"gtins":["886576078304"],"storage_gb":[256],"seq_read_mbs":460,"seq_write_mbs":450,"endurance_tbw":75},{"model_number":"SP512GBSS3A55S25","model_numbers":["SP512GBSS3A55S25","SPJ512GBSS3A55B","SU512GBSS3A55S25EU"],"gtins":["886576030449"],"storage_gb":[512],"seq_read_mbs":500,"seq_write_mbs":450,"endurance_tbw":150},{"model_number":"SP001TBSS3A55S25","model_numbers":["SP001TBSS3A55S25","SPJ001TBSS3A55B","SU001TBSS3A55S25EU","SU001TBSS3A55S25AC"],"gtins":["886576030456"],"storage_gb":[1000],"seq_read_mbs":500,"seq_write_mbs":450,"endurance_tbw":300},{"model_number":"SP002TBSS3A55S25","model_numbers":["SP002TBSS3A55S25","SPJ002TBSS3A55B","SU002TBSS3A55S25EU","SU002TBSS3A55S25SN"],"gtins":["886576037912"],"storage_gb":[2000],"seq_read_mbs":500,"seq_write_mbs":450,"endurance_tbw":600},{"model_number":"SP004TBSS3A55S25","model_numbers":["SP004TBSS3A55S25","SPJ004TBSS3A55B","SP004TBSS3A55S25AY"],"gtins":["886576069678"],"storage_gb":[4000],"seq_read_mbs":500,"seq_write_mbs":450,"endurance_tbw":1200},{"model_number":"SP008TBSS3A55S25","model_numbers":["SP008TBSS3A55S25"],"storage_gb":[8000],"seq_read_mbs":500,"seq_write_mbs":450,"endurance_tbw":2400},{"model_number":"SP016TBSS3A55S25","model_numbers":["SP016TBSS3A55S25"],"storage_gb":[16000],"seq_read_mbs":500,"seq_write_mbs":450}],"sources":[{"url":"https://www.silicon-power.com/product-detail/Ace_A55/","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url","status","model_numbers","form_factor","storage_gb","interface","seq_read_mbs","seq_write_mbs","mtbf_h","heatsink","software_name","dimensions_mm","weight_g","warranty_years","variants","compatible_platforms"],"notes":{"status":"The page is live and lists the drive with a purchase tab.","model_numbers":"The price table lists a P/N per capacity. Each capacity has an SP, an SPJ and an SU code, and some have a regional suffix such as EU, AC, SN or AY. The page does not say what the prefixes and suffixes mean. They are stored as one list per capacity.","storage_gb":"Capacity row reads 128GB, 256GB, 512GB, 1TB, 2TB, 4TB, 8TB, 16TB. The datasheet footnote says 1GB equals 1 billion bytes.","seq_read_mbs":"Performance Read (max.) row: 460 MB/s for 128GB and 256GB, 500 MB/s for 512GB and up. The base is the 2TB model. No test tool or host is named. The page note says results vary with platform, software, interface and capacity.","seq_write_mbs":"Performance Write (max.) row: 360 MB/s for 128GB, 450 MB/s for 256GB and up. The base is the 2TB model.","mtbf_h":"MTBF (est) row reads 1,500,000 hours. The datasheet row says MTBF (test) with the same value. Stored as MTBF.","heatsink":"The page shows one plain 2.5 inch case and lists no heatsink version.","software_name":"Free download of SP ToolBox for disk information, SMART report, wear extent and diagnostics. The datasheet says the performance test and secure erase features are for industrial SSDs only.","dimensions_mm":"Dimensions row reads 100.0 x 69.9 x 7.0 mm. One value for every capacity.","weight_g":"Weight row reads 63g (max.). One value for every capacity. A 2.5 inch case weighs more than an M.2 drive.","warranty_years":"3-year limited warranty. The page says the warranty is based on the TBW or the warranty period.","compatible_platforms":"Page title reads SP Ace A55 2.5\" SATA SSD for Laptops & PCs. No operating system is named, so PC is stored"}},{"url":"https://www.silicon-power.com/download-detail/edm-ace-a55/","kind":"manufacturer_pdf","accessed":"2026-10-15","fields":["spec_sheet_url","model_numbers","form_factor","storage_gb","interface","seq_read_mbs","seq_write_mbs","mtbf_h","dimensions_mm","weight_g","warranty_years"],"notes":{"spec_sheet_url":"One-page eDM flyer issued Feb 13, 2026. It is the only datasheet on the product page. It has no controller, flash, DRAM, IOPS, temperature or TBW values.","model_numbers":"Ordering Information lists only 2TB SP002TBSS3A55S25, 4TB SP004TBSS3A55S25, 8TB SP008TBSS3A55S25 and 16TB SP016TBSS3A55S25, and says more part numbers are available from sales.","mtbf_h":"MTBF (test) 1,500,000 hours."}},{"url":"https://web.archive.org/web/20251216203842/https://sp-siliconpower.com/products/a55-128gb-2tb-sata-iii-2-5-inch-internal-solid-state-drive","kind":"manufacturer_page","accessed":"2026-10-21","fields":["operating_temperature_c","gtins","model_numbers","variants"],"notes":{"operating_temperature_c":"Silicon Power's own US store page for the A55 128GB-4TB, archived 2025-12-16, Product Specifications: Operating temperature 0 C to 70 C and storage temperature -40 C to 85 C (only the operating range is stored). The same page lists the same MTBF, shock and vibration ratings and warranty as the 2026 global page. The global page and the 2026 flyer no longer print a temperature range, and the live US page no longer shows it either","gtins":"Variant barcodes from the store page data of the same capture: 886576030425 (128GB, SP128GBSS3A55S25), 886576078304 (256GB, SU256GBSS3A55S25AH), 886576030449 (512GB, SP512GBSS3A55S25), 886576030456 (1TB, SP001TBSS3A55S25), 886576037912 (2TB, SP002TBSS3A55S25), 886576069678 (4TB, SP004TBSS3A55S25). These are 12-digit UPCs for the US store. EAN barcodes for other markets are not stored, since the retailer listings that show them disagree on the part number","model_numbers":"The US store sells the 256GB as SU256GBSS3A55S25AH, a code that the global page does not list. It is added to the 256GB list","variants":"UPC per capacity. The 8TB and 16TB are not sold in the US store, so they have no barcode"}},{"url":"https://www.silicon-power.com/document/ssd_tbw/","kind":"manufacturer_pdf","accessed":"2026-10-15","fields":["endurance_tbw"],"notes":{"endurance_tbw":"Silicon Power SSD TBW table, file dated 2026-08-05. The A55 row of the SATA III 2.5 inch table lists 37 TB (128GB), 75 (256GB), 150 (512GB), 300 (1TB), 600 (2TB), 1200 (4TB) and 2400 (8TB). 16TB is not in the table. The separate A55 M.2 row is a different product."}},{"url":"https://www.warp2search.net/story/silicon-power-ace-a55-256gb-3d-nand-ssd-review-madshrimps/","kind":"review_site","accessed":"2026-10-15","fields":["release_date"],"notes":{"release_date":"Warp2Search carries the Madshrimps review of the Silicon Power A55 256GB 3D NAND SSD, published November 27, 2017. It is the earliest dated evidence found for the A55 name. The page did not state the speeds or the controller of the model sold today, so neither is stored. A Wayback capture of the maker's regional Ace A55 page exists from 2019-03-28."}}],"fields_filled":19,"updated":"2026-10-21"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}