Addlink S91 Gen4 NVMe 2230 Compact SSD 2TB | ad2TBS91M2P

Expand your small-device storage with the Addlink S91, a powerful Gen4x4 NVMe SSD in the ultra-compact M.2 2230 form factor (22 × 30 mm). With up to 2 TB capacity, this SSD delivers blazing-fast speeds—up to 5,000 MB/s read and 3,200 MB/s write—making it ideal for handheld gaming devices, ultrabooks, tablets, and mini-PCs. Built on a high-performance Phison E21 controller with Micron 176-layer QLC flash, the drive uses SLC caching and Host-Memory Buffer (HMB) technology for efficient performance. It’s fully compatible with PCIe 3.x and 4.x platforms and is backed by a 5-year warranty.

• Form Factor: M.2 2230 (22 × 30 mm), perfect for ultra-compact devices
• Interface / Protocol: PCIe 4.0 x4, NVMe 1.4 (backward compatible with PCIe 3.0)
• Sequential Read: Up to 5,000 MB/s
• Sequential Write: Up to 3,200 MB/s
• Controller: Phison E21T
• Flash Memory: Micron 176-layer QLC NAND
• Cache & Efficiency: SLC cache + 64 MB HMB, LDPC ECC, TRIM support
• Endurance & Warranty: ~450 TBW; five-year limited warranty
• Ideal Use: Perfect for Steam Deck, ROG Ally, Surface devices, ultrabooks, and space-constrained PCs