ssd.live tracks 6 SanDisk Optimus GX PRO 850X SSDs. 6 are in stock today. The cheapest new one sold by a store itself, not a marketplace seller, is $280: the SanDisk Optimus GX PRO 850X 1TB M.2 2280 NVMe PCIe 4.0 with Heatsink at Newegg. 34 stores have one on the shelf.
- Interface
- NVMe
- PCIe generation
- PCIe 4.0
- Form factor
- M.2 2280
- Capacity
- 1TB to 8TB
- NAND
- TLC
- Sequential read
- up to 7,300 MB/s
- Warranty
- 5 years
SanDisk's page for the Optimus GX PRO 850X 2TB states a PCIe 4.0 NVMe drive with sequential read and write up to 7,300 and 6,600 MB/s, capacities up to 8TB, an endurance rating of up to 4,800 TBW, and versions with and without a heatsink. (the maker's page, read Oct 6, 2026)
6 SSDs
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SanDisk Optimus GX PRO 850X 2TB M.2 2280 NVMe PCIe 4.02TB · NVMe PCIe 4.0 x4 · M.2 2280 · 7,300 / 6,600 MB/s● 30 stores · 7 retailers · ★ 4.5$400$200.00/TB -
SanDisk Optimus GX PRO 850X 4TB M.2 2280 NVMe PCIe 4.0 with Heatsink4TB · NVMe PCIe 4.0 x4 · M.2 2280 · 7,300 / 6,600 MB/s● 28 stores · 6 retailers$980$244.99/TB -
SanDisk Optimus GX PRO 850X 1TB M.2 2280 NVMe PCIe 4.0 with Heatsink1TB · NVMe PCIe 4.0 x4 · M.2 2280 · 7,300 / 6,300 MB/s● 27 stores · 6 retailers$280$279.99/TB -
SanDisk Optimus GX PRO 850X 8TB M.2 2280 NVMe PCIe 4.08TB · NVMe PCIe 4.0 x4 · M.2 2280 · 7,200 / 6,600 MB/s● 13 stores · 6 retailers$1,700$212.50/TB -
SanDisk Optimus GX PRO 850X 2TB M.2 2280 NVMe PCIe 4.0 with Heatsink2TB · NVMe PCIe 4.0 x4 · M.2 2280 · 7,300 / 6,600 MB/s● 28 stores · 5 retailers$510$255.00/TB -
SanDisk Optimus GX PRO 850X 8TB M.2 2280 NVMe PCIe 4.0 with Heatsink8TB · NVMe PCIe 4.0 x4 · M.2 2280 · 7,200 / 6,600 MB/s● Newegg · 3 retailers$1,750$218.75/TB
SanDisk Optimus GX PRO 850X prices by size and type
The cheapest SanDisk Optimus GX PRO 850X in stock today, row by row, next to the cheapest of any brand on ssd.live. Prices are for new units sold by the stores themselves, not marketplace sellers.
SanDisk Optimus GX PRO 850X SSDs: questions buyers ask
How much do SanDisk Optimus GX PRO 850X SSDs cost?
From $280 new today: the SanDisk Optimus GX PRO 850X 1TB M.2 2280 NVMe PCIe 4.0 with Heatsink at Newegg. That is the lowest price a store sells one at itself; marketplace sellers' and refurbished offers are on each product's page.
What is the cheapest SanDisk Optimus GX PRO 850X 2TB NVMe SSD?
The SanDisk Optimus GX PRO 850X 2TB M.2 2280 NVMe PCIe 4.0, $400 today. The cheapest 2TB NVMe SSD of any brand on ssd.live is $160.
Can I buy SanDisk Optimus GX PRO 850X SSDs in a store?
34 stores have at least one on the shelf right now. Set your location to see the stores near you and what each has in stock.