2 x ADATA XPG Gammix S10 256GB SSD (2 Packs Value bundle) Ultra-fast PCIe Gen3x4 interface: R/W speed up to 1800/850MB/s NVMe 1.2 certified 3D NAND Flash Unique heatsink design – makes SSD 10°C cooler Advanced LDPC ECC Technology Intelligent SLC caching and DRAM cache buffer RAID Engine and Data Shaping Compact M.2 2280 form factor