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The WD Red SN700 is a PCIe 3.0 x4 M.2 2280 NVMe SSD built for NAS caching and always-on multi-user workloads. Its 4TB model uses 112-layer TLC NAND with a DRAM cache and is rated for 1.0 drive writes per day, so endurance is high for a consumer drive. Sequential speeds sit around 3,400 MB/s read and 3,100 MB/s write, which is modest next to PCIe 4.0 drives but fine for its caching role. Reviewers rate it as a dependable NAS cache drive, though it costs more than general-purpose NVMe drives of the same capacity.
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Lowest price we've seen: $1,355.00 on Nov 11 at Walmart. Tracked across 4 stores since Nov 11.
Owners and reviewers treat the SN700 as a solid, boring-in-a-good-way NAS cache drive. They praise its endurance rating and steady performance under sustained writes, and most complaints center on the price premium over mainstream NVMe drives.
The Western Digital Red SN700 is a 4 TB solid state drive in the M.2 2280 form factor. It connects through a PCI Express NVMe 3.0 x4 interface.
It is an NVMe SSD for fast caching in high-intensity NAS environments, where it handles heavy workloads. The drive provides system responsiveness and I/O performance for multi-user, multitasking applications.
