Side-by-side: Crucial T710 2TB ($449) vs WD_BLACK SN850X 2TB ($199). $/TB winner, specs, real-world picks for May 2026.
This is a generational matchup at 2 TB: the older-gen drive offers proven reliability and better $/TB, while the newer-gen sibling brings raw bandwidth that most users never tap.
Hardware-wise, the Crucial T710 2TB runs on an SMI SM2508 controller that drew industry attention in 2024 for finally taming Gen 5 thermals. The WD_BLACK SN850X 2TB pairs WD's G2 controller — manufactured by SanDisk and tuned for low-latency gaming workloads.
Money matters here — $99.50/TB on the WD_BLACK SN850X 2TB versus $224.50/TB on the Crucial T710 2TB. That's enough of a spread that for budget-conscious builders, the WD_BLACK SN850X 2TB becomes the default unless reviews of your specific workload prefer the Crucial T710 2TB.
In the read department, the Crucial T710 2TB leads by roughly 7 GB/s. The difference is more academic than practical for typical use, but it does matter for video editors moving multi-GB project files.
Write performance separates them too. The Crucial T710 2TB sustains 14,000 MB/s writes versus 6,600 MB/s for the WD_BLACK SN850X 2TB — a real advantage for video editors and anyone doing heavy file operations.
For PS5 expansion, both are PCIe Gen 4 M.2 2280 drives that meet Sony's minimum spec (7,300 MB/s read). The console can't take advantage of speeds beyond that, so save money by choosing the WD_BLACK SN850X 2TB. Comparing across generations always invites the same question: does the bandwidth gap convert into user-visible improvements? Honest answer for the Crucial T710 2TB vs WD_BLACK SN850X 2TB pairing: only for sustained sequential reads of multi-GB files. For content creators routinely rendering 4K or 8K video, the Crucial T710 2TB's 14,000 MB/s sustained write is the deciding factor — multi-GB project files land noticeably faster than on the alternative. Note for handheld gamers: M.2 2280 is the desktop/laptop standard. Steam Deck and the ROG Ally line need 2230 drives — neither Crucial T710 2TB nor WD_BLACK SN850X 2TB fits without modification.
Go with the Crucial T710 2TB for meaningfully faster reads (14,500 MB/s), and higher sustained writes (14,000 MB/s). Crucial typically delivers the best $/TB among DRAM-equipped NVMes because Micron sells direct rather than going through brand licensing.
Go with the WD_BLACK SN850X 2TB for the lower retail price ($199 vs $449), and better $/TB economics ($99.50/TB). Among Gen 4 flagships, the SN850X strikes a sweet spot — premium silicon at sub-Samsung pricing, with WD's established RMA process to back it up.