Product Listing: WD_Black 4TB SN7100X NVMe SSD ( WDBELH0040BBK-WRSN )- Built for ROG Xbox Ally (X) & PC, Read Speeds Up to 7,000MB/s, Internal Solid State Drive, Officially Licensed for ROG Xbox Ally (X) Gaming.
Western Digital has launched the WD_Black SN7100X 4TB NVMe SSD model WDBELH0040BBK-WRSN for gaming platforms. The price starts at $279.99 ( Launch Price on Nov 26, 2025 ). Amazon US and Best Buy have this model in stock at the time of writing.
WD_Black 4TB SN7100X NVMe SSD - Built for ROG Xbox Ally (X) & PC, Read Speeds Up to 7,000MB/s, Internal Solid State Drive, Officially Licensed for ROG Xbox Ally (X) Gaming - WDBELH0040BBK-WRSN
by SanDisk
- OFFICIALLY XBOX LICENSED. Your drive is officially licensed for Xbox gaming, so you can upgrade your internal storage to store and play more on your ROG Xbox Ally, ROG Xbox Ally X and PC.
- HIGH-OCTANE GAMING. Experience speeds up to 7,250MB/s(2) read and 6,900MB/s(2) write (2TB(1) model), with up to 35% faster performance than previous generation.(4)
- BUILT WITH LEADING-EDGE TECH. Designed for serious on-the-go gamers, with a PCIe Gen 4.0 interface and Sandisk’s next generation TLC 3D CBA NAND.
Key Features
The WD_Black SN7100X WDBELH0040BBK-WRSN is an officially licensed NVMe SSD certified and tested for ROG Xbox Ally, ROG Xbox Ally X, and PC. It delivers sequential read speeds up to 7000MB/s (4TB) with sequential write speeds of 6700MB/s, providing up to 35% faster performance than WD_Black’s previous generation.
The 4TB capacity supports storage of up to 100 games with room remaining for future updates and DLC.
PCIe Gen 4.0 x4 interface powered by Sandisk’s next generation TLC 3D CBA NAND provides high-speed data transfer and gaming performance.
The drive features a DRAM-less design optimized for gaming workloads with 90% improved power efficiency at maximum speed compared to the previous generation, extending battery life on portable gaming systems. Random read performance reaches 900K IOPS with random write at 1350K IOPS.
WD_Black SN7100X supports full Xbox integration adhering to Microsoft quality standards for seamless gaming experiences across ROG Xbox Ally, ROG Xbox Ally X, and PC. The drive operates reliably within 0°C to 85°C operating temperature range and carries a 5-year limited warranty with 2400 TBW endurance rating.
Every purchase includes a 1 month trial of Xbox Game Pass Ultimate.
Available Capacities
- 2TB model (WDBELH0020BBK-WRSN): $159.99
- 4TB model (WDBELH0040BBK-WRSN): $279.99