The OPTIMUS range is divided into three tiers:
- Optimus
- Optimus GX
- Optimus GX PRO
Each tier targets different performance and price segments and includes both PCIe 4.0 and PCIe 5.0 M.2 drives. With this launch, Sandisk is shifting away from the familiar WD Blue and WD Black naming structure. Existing models such as the WD Blue SN5100 and WD Black SN7100 will keep their numerical identifiers, but will now sit under the new OPTIMUS branding to reflect the updated product families.
At this stage, Sandisk has not shared detailed technical specifications, so it is unclear whether any hardware changes accompany the rebrand. For example, the WD Blue SN5100 PCIe 4.0 NVMe SSD will move into the Optimus line as the Optimus 5100, while the WD Black SN850X becomes part of the high-end Optimus GX PRO tier as the GX PRO 850X. The rebranded GX family will also include models like the updated Optimus GX 7100, along with its compact form-factor variants.
The PCIe 5.0 lineup will feature models such as the Optimus GX PRO 8100, capable of reaching read speeds close to 14,900 MB/s in current versions. Based on what Sandisk has indicated so far, the primary focus appears to be a clearer tier system and refreshed branding rather than large performance overhauls, though more details are expected as the drives approach availability.
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