is it single sided or double sided?

The product information does not specify whether it is single sided or double sided.

Questions & Answers: KingSpec 1TB NVMe PCIe 4.0x4 M.2 2242 Internal Solid Drive High Performance Read/Write Speed Up to 7200/6400 MB/s Support NVMe 1.4 1TB

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KingSpec 1TB NVMe PCIe 4.0x4 M.2 2242 Internal Solid Drive High Performance Read/Write Speed Up to 7200/6400 MB/s Support NVMe 1.4 1TB

Ultra-Fast Performance: Unleash the incredible speed of PCIe 4.0, delivering blazing data access speeds of up to 7200MB/s. Elevate your system's performance to new heights.
Sleek and Portable Design: The compact M.2 2242 form factor is ideal for laptops, ultrabooks, and compact devices, offering generous storage capacity without the added bulk.
Top-Notch Data Security: Benefit from advanced bad sector management, guaranteeing the safety and integrity of your data. Rest assured, your data is shielded from loss and corruption.
Built for Longevity: This M.2 SSD boasts exceptional durability, maintaining peak performance even with extended usage. Count on long-term reliability.
Customer Support: Enjoy peace of mind with a 3-year limited warranty and lifetime technical support.