Sandisk Revives Optimus Brand with New SSD Lineup

In late 2023, Western Digital announced a significant corporate restructuring, splitting into two distinct entities. One entity retained the Western Digital name, focusing on traditional spinning hard drives, while the other, named SanDisk, would concentrate on solid-state storage solutions. This split effectively reversed Western Digital's 2016 acquisition of SanDisk for $19 billion. As a result of this transition, SanDisk has introduced a new line of solid-state drives (SSDs) branded as "SanDisk Optimus," which will replace the previously established WD Blue and WD Black product lines.

Ars Technica

The SanDisk Optimus lineup consists of three distinct tiers designed to cater to various consumer needs:

Sandisk’s new Optimus SSD line-up replaces retired WD color-based models — new Optimus, GX, and GX Pro tiers for 2026

1. SanDisk Optimus - Targeted at content creators, this tier offers a balance of performance and affordability, replacing the WD Blue series. The Optimus 5100 is a rebranded version of the WD Blue SN5100.

Sandisk’s new Optimus SSD line-up replaces retired WD color-based models — new Optimus, GX, and GX Pro tiers for 2026Ars TechnicaWD Black Drives Now Called SANDISK Optimus

2. SanDisk Optimus GX - Aimed at gamers, this tier emphasizes speed and efficiency, taking over from the WD Black series. The Optimus GX 7100 replaces the WD Black SN7100.

Sandisk’s new Optimus SSD line-up replaces retired WD color-based models — new Optimus, GX, and GX Pro tiers for 2026Ars TechnicaWD Black Drives Now Called SANDISK Optimus

3. SanDisk Optimus GX Pro - This flagship tier is designed for professionals and high-end gamers seeking peak performance, replacing the WD Black SN8100 with the Optimus GX Pro 8100.

Sandisk’s new Optimus SSD line-up replaces retired WD color-based models — new Optimus, GX, and GX Pro tiers for 2026Ars TechnicaWD Black Drives Now Called SANDISK Optimus

The new SSDs feature advanced technologies, including PCIe 4.0 and 5.0 interfaces, with the Optimus GX Pro 8100 maximizing performance through dedicated DRAM caching.

Ars Technica

The rebranding aims to provide consumers with a clearer understanding of performance tiers within the SSD market. Anil Moolchandani, VP of Product Management at SanDisk, stated that the new branding will help customers navigate the product lineup with confidence, ensuring they can easily identify the right SSD for their needs. The transition is expected to enhance the consumer experience by simplifying product selection.

WD Black Drives Now Called SANDISK Optimus

While the rebranding has been largely well-received, some critics have expressed concerns about the discontinuation of the iconic WD color-coded branding, which was familiar to many consumers. The shift to the SanDisk Optimus brand may require some adjustment for existing customers who are accustomed to the previous naming conventions.

Sandisk’s new Optimus SSD line-up replaces retired WD color-based models — new Optimus, GX, and GX Pro tiers for 2026

Products under the new SanDisk Optimus branding are expected to reach select retailers worldwide in the first half of 2026, allowing consumers to pre-order or purchase the new drives. This rollout marks a pivotal moment for SanDisk as it seeks to establish its identity in the competitive SSD market.

WD Black Drives Now Called SANDISK Optimus

• “The Sandisk Optimus brand redefines what performance means for consumer needs,” — Heidi Arkinstall, VP Global Consumer Brand and Digital Marketing at Sandisk.

WD Black Drives Now Called SANDISK Optimus