# Western Digital SN850X (Kioxia TLC BiCS5 512Gb) 1 TB 2 TB > Western Digital SN850X (Kioxia TLC BiCS5 512Gb) 1 TB 2 TB summary. The Western Digital SN850X is a PCIe 4.0 x4 M.2 2280 NVMe SSD featuring Kioxia TLC BiCS5 512Gb NAND and the WD Triton MP16+ controller. Tags: ssd, western-digital, sn850x, pcie-4.0, nvme, gaming Source: https://store.shopping.yahoo.co.jp/good-item-004/s-b0b7ckvccv-20240812.html Article page: https://web-autoai.com/articles/western-digital-sn850x-kioxia-tlc-bics5-512gb-1-tb-2-tb?lang=en Prices and ratings change over time — check the article page for the current values. --- This article covers Western Digital SN850X (Kioxia TLC BiCS5 512Gb) 1 TB 2 TB. ## Overview The Western Digital SN850X is a highly popular NVMe SSD designed for gaming and high-performance computing. It features Kioxia TLC BiCS5 512Gb NAND flash and is powered by the WD Triton MP16+ controller. Available in 1TB and 2TB capacities, this drive uses the M.2 2280 form factor with a PCIe 4.0 x4 interface. This product targets users who want faster game loading times and high-speed data transfers. The 1TB model includes 1024MB of DRAM cache, which helps maintain consistent random access performance. In the current market, the SN850X sits in the high-end tier of PCIe 4.0 SSDs. Released in May 2022, the SN850X has maintained strong popularity even years after its debut. Check the retailer's page for the latest price. Shopping (as of October 12, 2026), making it an attractive option for users who value the balance between performance and cost. ## Compatibility Guide This drive uses the M.2 2280 form factor, so it works with any motherboard that has a compatible M.2 slot. The interface is PCIe 4.0 x4, but it will also function in a PCIe 3.0 x4 slot, though transfer speeds will be limited to PCIe 3.0 bandwidth. Compatible motherboards include those with M.2 slots on AMD AM4/AM5 platforms and Intel LGA1700/LGA1200 platforms. However, older motherboards may lack M.2 slots entirely or only support SATA mode, so be sure to check your motherboard specifications beforehand. The drive supports the NVMe 1.4 specification and can be paired with motherboard heatsinks or aftermarket M.2 coolers. If you are concerned about heat, using the heatsink included with your motherboard is a good option. ## Product Info The SN850X was released in May 2022 as a PCIe 4.0 generation NVMe SSD. It comes in 1TB and 2TB capacities, utilizing Kioxia TLC BiCS5 512Gb NAND flash. The WD Triton MP16+ controller handles data management, and the 1TB model includes 1024MB of DRAM cache. In terms of market positioning, this is a high-end PCIe 4.0 SSD. With sequential read speeds reaching 7,300MB/s, it delivers excellent performance for game loading and large file transfers. The price has gradually decreased since launch, and it now offers strong value in the upper-midrange segment. The warranty period is the standard 5 years from the manufacturer, and registering the product provides long-term peace of mind. The drive is widely available through electronics retailers and online stores. ## Best Use Cases This product is especially recommended for the following users: * PC builders creating gaming rigs: Ideal for those who want to significantly reduce game loading times. The PCIe 4.0 speed ensures smooth map loading in open-world games. * Video editors and creative professionals: Suitable for users who frequently handle large video files and RAW image data. The high sequential read/write performance improves workflow efficiency. * Users upgrading their system drive: A great choice for those moving from SATA SSDs or HDDs. You will notice a tangible difference in OS boot times and application launches. * Users with large storage needs: The 2TB model provides ample space for game installations and video files. On the other hand, users with only PCIe 3.0 systems or those on a tight budget may find this drive to be overkill. ## Things to Consider There are several points to keep in mind before purchasing. First, to fully utilize PCIe 4.0 performance, you need a compatible motherboard and CPU. On older platforms, transfer speeds will be limited, so you may not achieve the expected performance. Second, check the availability of M.2 slots on your motherboard. Some boards disable SATA ports when certain M.2 slots are in use. If you have multiple storage devices, consult your motherboard manual to avoid conflicts. Finally, this drive uses TLC NAND, which makes it more expensive than QLC-based alternatives. However, it offers superior endurance and write performance, making it a cost-effective choice for long-term use. ## FAQ Q: Can I use this drive with a PCIe 3.0 motherboard? A: Yes, it will work, but transfer speeds will be limited to PCIe 3.0 bandwidth (around 3,500MB/s). To get full PCIe 4.0 performance, you need a compatible motherboard and CPU. Q: Do I need a heatsink for this drive? A: For gaming or heavy write workloads, a heatsink is recommended. If your motherboard includes an M.2 heatsink, using it is a good idea. Q: Should I choose the 1TB or 2TB model? A: If you plan to install multiple games or handle large files like video projects, the 2TB model is recommended. For OS and applications only, the 1TB model provides sufficient capacity.