{"data":{"slug":"sandisk-optimus-gx-7100","type":"ssd","brand":"Sandisk","name":"Optimus GX 7100","aliases":["SANDISK Optimus GX 7100","WD_BLACK SN7100","WD Black SN7100","SN7100"],"release_date":"2025-01","url":"https://arkivo.dev/ssds/sandisk-optimus-gx-7100","specs":{"series":"Optimus GX","model_numbers":["SDSP71500GAN","SDSP71500GAN-000E0","WDS500G4X0E-00CJA0","SDSP71100TAN","SDSP71100TAN-000E0","WDS100T4X0E-00CJA0","SDSP71200TAN","SDSP71200TAN-000E0","WDS200T4X0E-00CJA0","SDSP71400TAN","SDSP71400TAN-000E0","WDS400T4X0E-00CJA0"],"gtins":null,"announce_date":null,"status":"available","predecessor":null,"successor":null,"launch_price_usd":139.99,"launch_price_eur":null,"markets":null,"colors":["Black"],"manufacturer_url":"https://www.sandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssd","spec_sheet_url":"https://documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdf","manual_url":null,"eprel_registration_number":null,"warranty_years":5,"form_factor":"m2_2280","storage_gb":[500,1000,2000,4000],"interface":"pcie_nvme","pcie_gen":4,"pcie_lanes":4,"nvme_version":"2.0","cable_detachable":null,"controller":"Sandisk Polaris 3","nand_type":"tlc","nand_flash":"Sandisk BiCS8 TLC","nand_layers":218,"dram_cache":"hmb","dram_cache_gb":null,"pcb_sides":"single_sided","seq_read_mbs":7250,"seq_write_mbs":6900,"random_read_iops":1000000,"random_write_iops":1400000,"endurance_tbw":1200,"mtbf_h":1750000,"operating_temperature_c":{"min_c":0,"max_c":85},"power_consumption_read_w":3.7,"power_consumption_write_w":3.9,"power_consumption_max_w":null,"power_consumption_average_mw":null,"power_consumption_idle_mw":null,"power_consumption_sleep_mw":5,"measured_seq_read_mbs":7201,"measured_seq_write_mbs":5855,"measured_random_read_q1_mbs":106.78,"measured_random_write_q1_mbs":287.89,"measured_slc_cache_gb":null,"measured_post_cache_write_mbs":2860,"benchmark_3dmark_storage":null,"measured_max_temp_c":64,"measured_power_idle_mw":null,"heatsink":["bare"],"rgb_lighting":null,"ip_rating":null,"drop_test_height_m":null,"security_features":["tcg_pyrite","password_protection"],"software_name":"SanDisk Dashboard","compatible_platforms":["windows"],"dimensions_mm":{"length_mm":80,"width_mm":22,"height_mm":2.38},"weight_g":5.8,"in_the_box":["SANDISK Optimus GX 7100 NVMe SSD"],"cables_included":null},"variants":[{"model_number":"SDSP71500GAN","model_numbers":["SDSP71500GAN","SDSP71500GAN-000E0","WDS500G4X0E-00CJA0"],"storage_gb":[500],"colors":["Black"],"seq_read_mbs":6800,"seq_write_mbs":5800,"random_read_iops":760000,"random_write_iops":1200000,"endurance_tbw":300,"power_consumption_read_w":3.4,"power_consumption_write_w":3.5,"in_the_box":["SANDISK Optimus GX 7100 NVMe SSD"],"launch_price_usd":54.99,"heatsink":["bare"]},{"model_number":"SDSP71100TAN","model_numbers":["SDSP71100TAN","SDSP71100TAN-000E0","WDS100T4X0E-00CJA0"],"storage_gb":[1000],"colors":["Black"],"seq_read_mbs":7250,"seq_write_mbs":6900,"random_read_iops":1000000,"random_write_iops":1400000,"endurance_tbw":600,"power_consumption_read_w":3.4,"power_consumption_write_w":3.7,"in_the_box":["SANDISK Optimus GX 7100 NVMe SSD"],"launch_price_usd":84.99,"heatsink":["bare"]},{"model_number":"SDSP71200TAN","model_numbers":["SDSP71200TAN","SDSP71200TAN-000E0","WDS200T4X0E-00CJA0"],"storage_gb":[2000],"colors":["Black"],"seq_read_mbs":7250,"seq_write_mbs":6900,"random_read_iops":1000000,"random_write_iops":1400000,"endurance_tbw":1200,"power_consumption_read_w":3.7,"power_consumption_write_w":3.9,"in_the_box":["SANDISK Optimus GX 7100 NVMe SSD"],"launch_price_usd":139.99,"measured_seq_read_mbs":7201,"measured_seq_write_mbs":5855,"measured_random_read_q1_mbs":106.78,"measured_random_write_q1_mbs":287.89,"measured_post_cache_write_mbs":2860,"measured_max_temp_c":64,"heatsink":["bare"]},{"model_number":"SDSP71400TAN","model_numbers":["SDSP71400TAN","SDSP71400TAN-000E0","WDS400T4X0E-00CJA0"],"storage_gb":[4000],"colors":["Black"],"seq_read_mbs":7000,"seq_write_mbs":6700,"random_read_iops":900000,"random_write_iops":1350000,"endurance_tbw":2400,"power_consumption_read_w":4.1,"power_consumption_write_w":4,"in_the_box":["SANDISK Optimus GX 7100 NVMe SSD"],"heatsink":["bare"]}],"sources":[{"url":"https://documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdf","kind":"manufacturer_pdf","accessed":"2026-10-14","fields":["model_numbers","form_factor","storage_gb","interface","pcie_gen","pcie_lanes","nvme_version","nand_type","nand_flash","dram_cache","pcb_sides","seq_read_mbs","seq_write_mbs","random_read_iops","random_write_iops","endurance_tbw","mtbf_h","operating_temperature_c","power_consumption_read_w","power_consumption_write_w","power_consumption_sleep_mw","security_features","software_name","dimensions_mm","weight_g","warranty_years","spec_sheet_url","heatsink","variants"],"notes":{"heatsink":"Bare M.2 2280 module, 2.38 mm thick, and the datasheet and product page list no heatsink version","seq_read_mbs":"Product specifications table. Sequential 1MB at queue depth 8, 1 thread, up to. 6,800, 7,250, 7,250 and 7,000 MB/s for 500GB, 1TB, 2TB and 4TB. Based on internal testing, host not named","seq_write_mbs":"5,800, 6,900, 6,900 and 6,700 MB/s for 500GB, 1TB, 2TB and 4TB","random_read_iops":"Random 4KB at queue depth 32, 16 threads, up to. 760K, 1M, 1M and 900K IOPS by capacity","random_write_iops":"1.2M, 1.4M, 1.4M and 1.35M IOPS by capacity, same test settings","power_consumption_read_w":"Average active power read, IOMeter 1.1.0 burst sequential read, 10 second moving average. 3.4, 3.4, 3.7 and 4.1 W by capacity","power_consumption_write_w":"Average active power write, same method. 3.5, 3.7, 3.9 and 4.0 W by capacity","power_consumption_sleep_mw":"Sleep (PS4), 5 mW at every capacity. The datasheet lists no idle figure","endurance_tbw":"300, 600, 1,200 and 2,400 TBW by capacity, JEDEC client workload JESD219. Warranty is 5 years or the TBW, whichever comes first","mtbf_h":"Published as MTTF up to 1.75M hours, from internal Telcordia SR-332 stress testing at 25 C. It is not an MTBF","operating_temperature_c":"0 to 85 C as reported by the drive. The non-operating range is not stored","security_features":"Datasheet reads TCG Pyrite 2.01 and ATA Security passthrough over NVMe. Pyrite has no encryption. ATA Security is the drive password feature, stored as password protection.","software_name":"Featured software: SANDISK Dashboard (Windows only) and Acronis True Image for SANDISK","dimensions_mm":"80 x 22 x 2.38 mm for 500GB to 4TB. Length and width vary by 0.15 mm","weight_g":"5.8 g for 500GB to 4TB, plus or minus 1 g","interface":"PCIe 4.0 x4 NVMe 2.0. Footnote says it is backwards compatible with PCIe 3.0 x4, 3.0 x2, 3.0 x1 and lower","nvme_version":"Datasheet reads NVMe 2.0. Tom's Hardware lists NVMe 1.4, ServeTheHome's CrystalDiskInfo shows NVMe 2.0, so the datasheet value is stored","nand_flash":"NAND row reads SANDISK TLC 3D CBA NAND and the text says 8th generation SANDISK BiCS TLC 3D CBA NAND","dram_cache":"DRAM cache row reads Host Memory Buffer, so the drive has no DRAM chip","pcb_sides":"Form factor reads M.2 2280-S3-M for every capacity. In the M.2 module naming S is single-sided","variants":"Four capacities, 500GB, 1TB, 2TB and 4TB, bare drives. Model numbers SDSP71500GAN, SDSP71100TAN, SDSP71200TAN and SDSP71400TAN. No heatsink version is listed by the maker"}},{"url":"https://www.sandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssd","kind":"manufacturer_page","accessed":"2026-10-14","fields":["manufacturer_url","series","status","colors","compatible_platforms","in_the_box","model_numbers","release_date"],"notes":{"series":"Maker line name is SANDISK Optimus GX, model 7100","status":"Listed for sale on sandisk.com in 500GB, 1TB, 2TB and 4TB","compatible_platforms":"Compatibility row reads Windows 10+, PCIe 4.0 x4 interface, M.2 2280 port. No PS5 or handheld claim on the page","in_the_box":"In The Box reads SANDISK Optimus GX 7100 NVMe SSD","model_numbers":"SKU codes carry a -000E0 suffix","release_date":"Maker page uses the Optimus name. The drive launched as WD_BLACK SN7100 and was renamed in January 2026"}},{"url":"https://documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-black-ssd/data-sheet-wd-black-sn7100-nvme-ssd.pdf","kind":"manufacturer_pdf","accessed":"2026-10-14","fields":["model_numbers","variants"],"notes":{"model_numbers":"WD_BLACK SN7100 datasheet, July 2025. Model numbers WDS500G4X0E-00CJA0, WDS100T4X0E-00CJA0, WDS200T4X0E-00CJA0 and WDS400T4X0E-00CJA0. Same speeds, IOPS, TBW, size, weight and 0 to 85 C range as the Optimus datasheet, which is why the legacy codes are listed on the same rows","variants":"Legacy codes are matched by capacity to the Optimus codes. Tom's Hardware lists the same codes without the -00CJA0 suffix"}},{"url":"https://www.guru3d.com/story/sandisk-optimus-replaces-wdblack-branding-early-amazon-listings-show-premiums/","kind":"press","accessed":"2026-10-14","fields":["release_date"],"notes":{"release_date":"Sandisk introduced the Optimus brand in January 2026 as the successor to WD_BLACK. The article names the Optimus GX 7100 as the replacement for the WD Black SN7100 and says the rename brings no performance change. This is why launch evidence of the SN7100 is used"}},{"url":"https://www.tomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-review","kind":"review_site","accessed":"2026-10-14","fields":["controller","nand_flash","nand_layers","dram_cache","pcb_sides","launch_price_usd","model_numbers","release_date","variants"],"notes":{"controller":"Spec table reads Polaris 3 (Proprietary) on all capacities. The maker does not name the controller","nand_flash":"Spec table reads Sandisk 218-Layer TLC (BiCS8)","nand_layers":"218 layers","dram_cache":"Spec table lists N/A (HMB) on all capacities","pcb_sides":"Review says the drive is single-sided with one NAND flash package. A 4TB would need two packages, which TH did not yet test","launch_price_usd":"Spec table pricing row: 500GB $54.99, 1TB $84.99, 2TB $139.99 at review time, 12 March 2025. These match the review's launch coverage. No launch MSRP found for the 4TB, which came after launch","model_numbers":"Legacy WD_BLACK part numbers WDS500G4X0E, WDS100T4X0E and WDS200T4X0E, listed without the maker suffix","release_date":"Review published 12 March 2025, drive already on sale. ServeTheHome reviewed it on 13 January 2025, which is the earliest evidence found","variants":"Legacy WD_BLACK part numbers are listed in the variant rows with the Optimus codes"}},{"url":"https://www.tomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-review/2","kind":"review_site","accessed":"2026-10-14","fields":["measured_max_temp_c","measured_post_cache_write_mbs","variants"],"notes":{"measured_max_temp_c":"2TB bare drive. Maximum 64 C during testing, usually under 60 C. Primary composite sensor, about 22 C ambient, active cooling unless noted, Intel Core i9-12900K on Asus ROG Maximus Z790 Hero, drive prefilled to 50% and tested as a secondary device. The review does not say a heatsink was fitted. ServeTheHome logged a 59 C peak without a heatsink or active cooling with HWMonitor","measured_post_cache_write_mbs":"2TB, 15-minute Iometer sequential write. About 6.5 GB/s in SLC mode, then TLC mode with writing around 2.86 GB/s, then about 850 MB/s in a semi-folding state. The TLC mode figure is stored. Intel Core i9-12900K, Asus ROG Maximus Z790 Hero, drive prefilled to 50%, tested as a secondary device. ServeTheHome's 800 MB/s is its lowest steady point, a different state.","variants":"The 2TB row holds the measured post-cache write speed."}},{"url":"https://www.servethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/","kind":"review_site","accessed":"2026-10-14","fields":["release_date","nvme_version"],"notes":{"release_date":"Review dated 13 January 2025, the 2TB was $155 on Amazon at the time of the review","nvme_version":"CrystalDiskInfo confirms PCIe 4.0 x4 speeds using NVMe 2.0"}},{"url":"https://www.servethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/2/","kind":"review_site","accessed":"2026-10-14","fields":["measured_seq_read_mbs","measured_seq_write_mbs","measured_random_read_q1_mbs","measured_random_write_q1_mbs"],"notes":{"measured_seq_read_mbs":"2TB, CrystalDiskMark 8.0.4 x64, 1GiB test size, five runs, SEQ1M Q8T1 read 7,200.55 MB/s. The screenshot shows the drive as C: with 64% used (1192 of 1863 GiB). Values read from the CrystalDiskMark screenshot. The 8GB test shows a large write drop","measured_seq_write_mbs":"SEQ1M Q8T1 write 5,855.22 MB/s, same run","measured_random_read_q1_mbs":"RND4K Q1T1 read 106.78 MB/s, same screenshot","measured_random_write_q1_mbs":"RND4K Q1T1 write 287.89 MB/s, same screenshot"}},{"url":"https://www.pcworld.com/article/2592443/wd-black-sn7100-ssd-review.html","kind":"review_site","accessed":"2026-10-14","fields":["controller","dram_cache","pcb_sides","nand_flash"],"notes":{"controller":"Describes a Sandisk A101-000172-A1 controller. Tom's Hardware names it Polaris 3","dram_cache":"Host memory buffer, DRAM-less design","pcb_sides":"Single-sided, 2280, 22 mm wide and 80 mm long","nand_flash":"BiCS8 NAND. ServeTheHome writes BiCS6 162-layer, which disagrees with the maker, Tom's Hardware and PCWorld, and is not used"}}],"fields_filled":43,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}