PC parts / SSDs
SandiskSSD
Optimus GX PRO 8100
Released May 2025.3Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-8100-internal-nvme-ssdRead 14 October 2026Maker page uses the Optimus name. The drive launched as WD_BLACK SN8100 in May 2025 and was renamed in January 2026 Last checked 16 October 2026.
- Interface
- PCIe NVMe
- Form factor
- M.2 2280
- Capacity
- 1 TB, 2 TB, 4 TB, 8 TB
- Read speed
- 14,900MB/s
47 of 63 fields known.
At a glance
Random 4K read (claimed)
Higher than 97% of other SSDs.
Write speed
A reviewer measured 14,103 MB/s.12Reviewkitguru.net/components/ssd-drives/simon-crisp/sandisk-wd_black-sn8100-2tb-gen-5-ssd-review/4Read 14 October 202614,103.28 MB/s, same default test
Higher than 97% of other SSDs.
Random 4K write (claimed)
Higher than 95% of other SSDs.
Write speed after the cache
Higher than 86% of other SSDs.
General
- Series
- Optimus GX PRO3Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-8100-internal-nvme-ssdRead 14 October 2026Maker line name is SANDISK Optimus GX PRO, model 8100
- Model numbers
- SDSP82100TAN, SDSP82100TAN-000E0, WDS100T1X0M-00CMT0, SDSP82200TAN, SDSP82200TAN-000E0, WDS200T1X0M-00CMT0, SDSP82400TAN, SDSP82400TAN-000E0, WDS400T1X0M-00CMT0, SDSP82800TAN, SDSP82800TAN-000E0, WDS800T1X0M-00CMT0, SDSP82100TAH, SDSP82100TAH-000E0, WDS100T1XHM-00CMT0, SDSP82200TAH, SDSP82200TAH-000E0, WDS200T1XHM-00CMT0, SDSP82400TAH, SDSP82400TAH-000E0, WDS400T1XHM-00CMT0, SDSP82800TAH, SDSP82800TAH-000E0, WDS800T1XHM-00CMT01Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-internal-nvme-ssd.pdfRead 14 October 20262Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-heatsink-internal-nvme-ssd.pdfRead 14 October 20263Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-8100-internal-nvme-ssdRead 14 October 2026SKU codes carry a -000E0 suffix4Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-black-ssd/data-sheet-wd-black-sn8100-nvme-ssd.pdfRead 14 October 2026WD_BLACK SN8100 datasheet, September 2025. Model numbers WDS100T1X0M-00CMT0, WDS200T1X0M-00CMT0, WDS400T1X0M-00CMT0 and WDS800T1X0M-00CMT0. Same speeds, IOPS, power, TBW, MTTF, 0 to 85 C range, TCG Opal 2.02 and size as the Optimus datasheet, which is why the legacy codes are listed on the same rows5Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-black-ssd/data-sheet-wd-black-sn8100-heatsink-nvme-ssd.pdfRead 14 October 2026WD_BLACK SN8100 with heatsink datasheet, September 2025. Model numbers WDS100T1XHM-00CMT0, WDS200T1XHM-00CMT0, WDS400T1XHM-00CMT0 and WDS800T1XHM-00CMT09Reviewtomshardware.com/pc-components/ssds/sandisk-wd-black-sn8100-2tb-ssd-reviewRead 14 October 2026Part numbers WDS100T1X0M-00CMT0 and WDS100T1XHM-00CMT0 for 1TB, with the 2TB and 4TB codes in the same table. X0M is bare and XHM is heatsink
- GTIN / EAN
- 619659230999, 619659230982, 619659230975, 619659230968, 619659231934, 619659231927, 619659231019, 6196592310023Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-8100-internal-nvme-ssdRead 14 October 2026UPC values in the page data per SKU. Bare 8TB 619659230968, 4TB 619659230975, 2TB 619659230982, 1TB 619659230999. Heatsink 1TB 619659231934, 2TB 619659231927, 4TB 619659231019, 8TB 619659231002
- Predecessor
- Not available
- Successor
- Not available
- Launch price (US)
- $279.997Press articleblocksandfiles.com/2025/05/14/sandisk-supplies-fastest-gumstick-ssdRead 14 October 2026SN8100 US MSRP 1TB $179.99, 2TB $279.99, 4TB $549.99, available at sandisk.com and select retailers. The heatsink version followed in the fall for $20 extra. The 8TB came later with no MSRP found8Reviewclub386.comRead 14 October 2026WD_Black SN8100 review lists $179.99, $279.99 and $549.99 for 1TB, 2TB and 4TB. It also says the 2TB runs at 55 C under load under motherboard heatsinks, a different test from the KitGuru value stored9Reviewtomshardware.com/pc-components/ssds/sandisk-wd-black-sn8100-2tb-ssd-reviewRead 14 October 2026Review text gives $179.99, $279.99 and $549.99 with $20 more for the heatsink. Its table shows $599.99 for the 4TB heatsink version, which disagrees with $20, so no 4TB heatsink price is stored
- Launch price (EU)
- Not available
- Markets
- Not available
Interface
- Detachable cable
- Not available
Hardware
- Controller
- Silicon Motion SM25089Reviewtomshardware.com/pc-components/ssds/sandisk-wd-black-sn8100-2tb-ssd-reviewRead 14 October 2026Spec table: Silicon Motion SM2508 on all capacities11Reviewkitguru.net/components/ssd-drives/simon-crisp/sandisk-wd_black-sn8100-2tb-gen-5-ssd-reviewRead 14 October 2026SM2508-based controller with Sandisk in charge of firmware and features
- Flash memory
- Sandisk BiCS8 TLC9Reviewtomshardware.com/pc-components/ssds/sandisk-wd-black-sn8100-2tb-ssd-reviewRead 14 October 2026Spec table reads Kioxia 218-Layer BiCS8. The maker calls it SANDISK BiCS TLC 3D CBA NAND, 8th generation, so the maker's name is stored
- Flash layers
- 2189Reviewtomshardware.com/pc-components/ssds/sandisk-wd-black-sn8100-2tb-ssd-reviewRead 14 October 202611Reviewkitguru.net/components/ssd-drives/simon-crisp/sandisk-wd_black-sn8100-2tb-gen-5-ssd-reviewRead 14 October 2026Sandisk BiCS8 218-layer TLC 3D
- DRAM cache
- DRAM1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-internal-nvme-ssd.pdfRead 14 October 2026DRAM cache: Yes. The datasheet gives no size or type9Reviewtomshardware.com/pc-components/ssds/sandisk-wd-black-sn8100-2tb-ssd-reviewRead 14 October 2026Spec table lists DDR4 DRAM on all capacities
- Component sides
- Single-sided1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-internal-nvme-ssd.pdfRead 14 October 2026Form factor reads M.2 2280-S3-M for 1TB to 4TB and M.2 2280-D5-M for 8TB. In the M.2 module naming S is single-sided and D is double-sided9Reviewtomshardware.com/pc-components/ssds/sandisk-wd-black-sn8100-2tb-ssd-reviewRead 14 October 2026Review says the drive is single-sided at all launch capacities of 1TB, 2TB and 4TB
Performance
- Sequential write (claimed)
- 14,000MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-internal-nvme-ssd.pdfRead 14 October 202611,000 MB/s for 1TB, 14,000 for 2TB and 4TB, 13,200 for 8TB
- Random 4K read (claimed)
- 2,300,000IOPS1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-internal-nvme-ssd.pdfRead 14 October 2026Random 4KB at queue depth 32, 16 threads, up to. 1.6M, 2.3M, 2.3M and 2.2M IOPS by capacity
- Random 4K write (claimed)
- 2,400,000IOPS1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-internal-nvme-ssd.pdfRead 14 October 20262.4M IOPS at every capacity, same test settings
Endurance and reliability
Power
- Max power consumption (claimed)
- Not available
- Average power in light use (claimed)
- Not available
- Idle power (claimed)
- Not available
Measured
- Sequential write (measured)
- 14,103MB/s12Reviewkitguru.net/components/ssd-drives/simon-crisp/sandisk-wd_black-sn8100-2tb-gen-5-ssd-review/4Read 14 October 202614,103.28 MB/s, same default test
- Random 4K read at queue depth 1 (measured)
- 124.49MB/s12Reviewkitguru.net/components/ssd-drives/simon-crisp/sandisk-wd_black-sn8100-2tb-gen-5-ssd-review/4Read 14 October 2026CrystalDiskMark 8 4K QD1 1 Thread test, read 124.49 MB/s
- Random 4K write at queue depth 1 (measured)
- 339.64MB/s12Reviewkitguru.net/components/ssd-drives/simon-crisp/sandisk-wd_black-sn8100-2tb-gen-5-ssd-review/4Read 14 October 2026Same test, write 339.64 MB/s
- Write cache size (measured)
- Not available
- 3DMark Storage Benchmark
- 6,047points13Reviewstoragereview.com/review/sandisk-wd_black-sn8100-review-elite-performance-in-a-gen5-ssdRead 14 October 20262TB, 3DMark Storage score 6,047. AMD Ryzen 7 9800X3D, Asus ROG Crosshair X870E Hero, 2x16GB G.Skill DDR5-6000, RTX 4090, Windows 11 Pro
- Highest temperature under load (measured)
- Not available
- Idle power (measured)
- Not available
Cooling and build
- Heatsink
- Without heatsink, With heatsink2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-heatsink-internal-nvme-ssd.pdfRead 14 October 2026Heatsink version is a separate datasheet with model numbers ending TAH. The bare drives end TAN.
- Dust and water rating
- Not available
- Drop test height
- Not available
Security and software
Compatibility
Dimensions and weight
Front and side, drawn to scale.
- Dimensions
- Length80Width22Height2.38mm(3.1 × 0.9 × 0.1 in)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-internal-nvme-ssd.pdfRead 14 October 20261TB to 4TB: 80 x 22 x 2.38 mm. 8TB: 80 x 22 x 3.88 mm. Length and width vary by 0.15 mm
In the box
- In the box
- SANDISK Optimus GX PRO 8100 NVMe SSD3Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-8100-internal-nvme-ssdRead 14 October 2026In The Box reads SANDISK Optimus GX PRO 8100 NVMe SSD for each SKU
- Cables included
- Not available
Links
- Product page
- www.sandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-8100-internal-nvme-ssd3Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-8100-internal-nvme-ssdRead 14 October 2026
- Spec sheet
- documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-internal-nvme-ssd.pdf1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-8100-internal-nvme-ssd.pdfRead 14 October 2026
- Manual
- Not available
- EPREL registration number
- Not available
Warranty
Compare with
Pick a SSD to see both side by side. Differences are marked yellow.
Variants
Each variant lists only what differs from the specs above.
| Model number | GTIN | Model numbers | Launch price (US) | Colours | Capacity | DRAM cache size | Component sides | Sequential read (claimed) | Sequential write (claimed) | Random 4K read (claimed) | Random 4K write (claimed) | Endurance (TBW) | Power while reading (claimed) | Power while writing (claimed) | Sleep power (claimed) | Sequential read (measured) | Sequential write (measured) | Random 4K read at queue depth 1 (measured) | Random 4K write at queue depth 1 (measured) | Write speed after the cache (measured) | 3DMark Storage Benchmark | Heatsink | Dimensions | Weight | In the box |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SDSP82100TAN | 619659230999 | SDSP82100TAN, SDSP82100TAN-000E0, WDS100T1X0M-00CMT0 | $179.99 | Black | 1 TB | Not available | Single-sided | 14,900 MB/s | 11,000 MB/s | 1,600,000 IOPS | 2,400,000 IOPS | 600 TB | 6.2 W | 6.1 W | 5 mW | Not available | Not available | Not available | Not available | Not available | Not available | Without heatsink | Length 80, Width 22, Height 2.38 mm | 7.5 g | SANDISK Optimus GX PRO 8100 NVMe SSD |
| SDSP82200TAN | 619659230982 | SDSP82200TAN, SDSP82200TAN-000E0, WDS200T1X0M-00CMT0 | $279.99 | Black | 2 TB | 2 GB | Single-sided | 14,900 MB/s | 14,000 MB/s | 2,300,000 IOPS | 2,400,000 IOPS | 1,200 TB | 6.4 W | 7 W | 5 mW | 14,937 MB/s | 14,103 MB/s | 124.49 MB/s | 339.64 MB/s | 3,900 MB/s | 6,047 points | Without heatsink | Length 80, Width 22, Height 2.38 mm | 7.5 g | SANDISK Optimus GX PRO 8100 NVMe SSD |
| SDSP82400TAN | 619659230975 | SDSP82400TAN, SDSP82400TAN-000E0, WDS400T1X0M-00CMT0 | $549.99 | Black | 4 TB | Not available | Single-sided | 14,900 MB/s | 14,000 MB/s | 2,300,000 IOPS | 2,400,000 IOPS | 2,400 TB | 6.5 W | 7 W | 5 mW | Not available | Not available | Not available | Not available | Not available | Not available | Without heatsink | Length 80, Width 22, Height 2.38 mm | 7.5 g | SANDISK Optimus GX PRO 8100 NVMe SSD |
| SDSP82800TAN | 619659230968 | SDSP82800TAN, SDSP82800TAN-000E0, WDS800T1X0M-00CMT0 | Not available | Black | 8 TB | Not available | Double-sided | 14,900 MB/s | 13,200 MB/s | 2,200,000 IOPS | 2,400,000 IOPS | 4,800 TB | 7.1 W | 7.3 W | 5 mW | Not available | Not available | Not available | Not available | Not available | Not available | Without heatsink | Length 80, Width 22, Height 3.88 mm | 8.6 g | SANDISK Optimus GX PRO 8100 NVMe SSD |
| SDSP82100TAH | 619659231934 | SDSP82100TAH, SDSP82100TAH-000E0, WDS100T1XHM-00CMT0 | $199.99 | Black | 1 TB | Not available | Single-sided | 14,900 MB/s | 11,000 MB/s | 1,600,000 IOPS | 2,400,000 IOPS | 600 TB | 6.2 W | 6.1 W | 5 mW | Not available | Not available | Not available | Not available | Not available | Not available | With heatsink | Length 80, Width 25, Height 9.76 mm | 28.2 g | SANDISK Optimus GX PRO 8100 NVMe SSD |
| SDSP82200TAH | 619659231927 | SDSP82200TAH, SDSP82200TAH-000E0, WDS200T1XHM-00CMT0 | $299.99 | Black | 2 TB | Not available | Single-sided | 14,900 MB/s | 14,000 MB/s | 2,300,000 IOPS | 2,400,000 IOPS | 1,200 TB | 6.4 W | 7 W | 5 mW | Not available | Not available | Not available | Not available | Not available | Not available | With heatsink | Length 80, Width 25, Height 9.76 mm | 28.2 g | SANDISK Optimus GX PRO 8100 NVMe SSD |
| SDSP82400TAH | 619659231019 | SDSP82400TAH, SDSP82400TAH-000E0, WDS400T1XHM-00CMT0 | Not available | Black | 4 TB | Not available | Single-sided | 14,900 MB/s | 14,000 MB/s | 2,300,000 IOPS | 2,400,000 IOPS | 2,400 TB | 6.5 W | 7 W | 5 mW | Not available | Not available | Not available | Not available | Not available | Not available | With heatsink | Length 80, Width 25, Height 9.76 mm | 28.2 g | SANDISK Optimus GX PRO 8100 NVMe SSD |
| SDSP82800TAH | 619659231002 | SDSP82800TAH, SDSP82800TAH-000E0, WDS800T1XHM-00CMT0 | Not available | Black | 8 TB | Not available | Double-sided | 14,900 MB/s | 13,200 MB/s | 2,200,000 IOPS | 2,400,000 IOPS | 4,800 TB | 7.1 W | 7.3 W | 5 mW | Not available | Not available | Not available | Not available | Not available | Not available | With heatsink | Length 80, Width 25, Height 11.25 mm | 30.4 g | SANDISK Optimus GX PRO 8100 NVMe SSD |
Sources
We read 13 sources for this SSD. The numbers match the markers in the sheet.
- Reviewclub386.com
See a wrong value? Tell us and name the field.