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The SanDisk Optimus 5100 is a 1TB internal SSD in the M.2 2280 form factor that runs on PCIe Gen 4.0 and is rated for sequential reads up to 7,100MB/s. That read figure puts it among the quicker Gen 4 drives, so it suits gaming PCs, laptops and workstations that already have a Gen 4 M.2 slot. Against mainstream Gen 4 rivals it trades on speed and the SanDisk name rather than extras like a heatsink or bundled software. Owners rate it highly, and the main things to weigh are heat under sustained writes and whether your slot is Gen 4.
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Lowest price we've seen: $109.99 on Nov 15 at DoorDash. Tracked across 12 stores since Nov 15.
Owners rate the Optimus 5100 at 4.6 out of 5 across 60 ratings, with most praising the speed and easy install. A few note it runs warm under heavy use.
The SanDisk Optimus 5100 is a 1TB internal NVMe solid state drive in the M.2 2280 form factor. It connects over PCIe Gen 4.0.
It reads at speeds up to 7,100MB/s. It is intended as a storage upgrade for PCs and laptops.





















