# Western Digital SN850X (w/ Heatsink) (Kioxia TLC BiCS5 512Gb) 1 TB > The Western Digital SN850X (w/ Heatsink) (Kioxia TLC BiCS5 512Gb) 1 TB is a PCIe 4.0 x4 M.2 2280 NVMe SSD with 1000GB capacity, TLC NAND, 1024MB DRAM cache, and WD Triton MP16+ controller — ideal for gaming PCs and PS5 s Tags: ssd, western-digital, sn850x, pcie-4.0, gaming, m2-2280 Source: https://store.shopping.yahoo.co.jp/electricunagi/1311-007297.html Article page: https://web-autoai.com/articles/western-digital-sn850x-w-heatsink-kioxia-tlc-bics5-512gb-1?lang=en Prices and ratings change over time — check the article page for the current values. --- ## Overview The Western Digital SN850X (w/ Heatsink) (Kioxia TLC BiCS5 512Gb) 1 TB is a high-performance PCIe 4.0 NVMe SSD designed with gaming PCs in mind. It offers 1000GB of storage capacity in the M.2 2280 form factor, making it compatible with most modern motherboards and even the PlayStation 5. The drive uses Kioxia TLC NAND flash and includes 1024MB of DRAM cache on the 1TB model, paired with the WD Triton MP16+ controller for consistent performance during extended gaming sessions or large file transfers. Released in May 2022, this SSD occupies the mid-to-high tier of the consumer storage market. It delivers fast sequential read and write speeds over the PCIe 4.0 x4 interface while including a pre-installed heatsink to manage thermal output. For users looking to reduce game load times or speed up OS boot times, this drive offers a solid balance of performance, reliability, and value. The included heatsink is a notable convenience, eliminating the need to purchase a separate cooling solution. This makes the drive particularly attractive for PS5 upgrades, where a heatsink is often required. However, the physical dimensions of the heatsink mean you should verify clearance on your motherboard and inside your case before purchasing. ## Compatibility Guide This SSD uses the M.2 2280 form factor and connects via a PCIe 4.0 x4 interface. It is compatible with motherboards featuring Intel 11th-gen or newer chipsets, as well as AMD 500-series chipsets and newer. If you have an older motherboard that only supports PCIe 3.0, the drive will still work but will operate at PCIe 3.0 x4 speeds, limiting its theoretical maximum transfer rate. In practice, this means slower sequential transfers, though random performance remains respectable. Because this is the heatsink version, you need to pay attention to the space around your M.2 slot. Some motherboards come with their own M.2 heatsinks, which may interfere with the pre-installed one on this drive. Check your motherboard manual to confirm the M.2 slot location and clearance. Additionally, if you have a large graphics card, verify that it won't physically block the M.2 slot. Power requirements are modest for the SSD itself, but your overall system configuration determines the necessary PSU wattage. For a typical gaming PC, a 650W power supply is sufficient. If you're running a high-end GPU, you may need a larger unit — refer to the spec table for the recommended wattage. ## Product Info Check the retailer's page for the latest price. It offers 1000GB of capacity, uses a PCIe 4.0 x4 interface, and comes in the M.2 2280 form factor. The NAND is TLC type with 1024MB of DRAM cache on the 1TB model, and the controller is the WD Triton MP16+. In terms of market positioning, this drive sits in the mid-to-high tier of consumer SSDs. It's known for its balanced performance and reliability among PCIe 4.0 drives, making it a popular choice as a primary storage device in gaming PCs. Compared to entry-level PCIe 3.0 SSDs, it costs more but offers faster transfer speeds and a larger DRAM cache. The drive is available through major online retailers such as Yahoo! Shopping and online retailers. Since the heatsink is included, you don't need to budget for a separate cooling solution, which adds to its overall value proposition. ## Best Use Cases - Gamers who want to minimize load times in modern titles. The PCIe 4.0 interface delivers fast data transfer, significantly reducing how long you wait for games to start. However, if your system only supports PCIe 3.0, you won't get the full performance benefit. - Creative professionals who work with large files, such as video editors or 3D artists. The 1024MB DRAM cache and TLC NAND combination maintains stable write performance during heavy data transfers. That said, if you routinely write several terabytes per day, an enterprise-grade SSD might be a better fit. - PS5 owners looking to expand their console's storage. The pre-installed heatsink means you can install it directly into the PS5's M.2 slot without additional parts. Just make sure the drive meets Sony's requirements for capacity, speed, and physical size. ## Things to Consider While this is a PCIe 4.0 drive, using it in a PCIe 3.0 system will cap its transfer speeds, so you won't see the full performance potential. The heatsink version also requires adequate clearance around the M.2 slot; some motherboards with integrated heatsinks may conflict, and large GPUs can physically obstruct access. Compared to some competitors, the price is slightly higher. However, the inclusion of a DRAM cache and a bundled heatsink helps justify the cost. If you're on a tight budget, a DRAM-less entry-level SSD might be worth considering, though you'll sacrifice sustained write performance. Finally, 1TB of storage can fill up quickly with modern game installs.