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Newegg promo code cuts 4TB WD_BLACK SN7100 SSD to $559.99

TechRadar reports Newegg is discounting the 4TB WD_BLACK SN7100 to $559.99 with promo code SSF73634, down from $580.

AI News Feed · 2026-09-19 00:07

The SN7100 combines PCIe 4.0 x4 connectivity with TLC 3D NAND and a DRAM-less host memory buffer design. TechRadar said the 4TB model delivers sequential read speeds up to 7,000MB/s and write speeds up to 6,700MB/s, along with 1.35 million IOPS and a 2,400TBW endurance rating. Its maximum operating power is rated at 4.5W, and it offers up to 100% better power efficiency than the previous generation, according to the report.

TechRadar said buyers should consider the 4TB WD_BLACK SN7100 if they want to increase storage without compromising on speed. With 4TB of capacity, the drive provides space for large files, applications and media without constant free-space management. The publication also listed the drive among options for creative laptops and desktop PCs.

TechRadar advised skipping the drive for users who regularly handle sustained, storage-heavy workloads, because it is a DRAM-less SSD and dedicated DRAM is better for those tasks. The drive also ships without a heatsink, so the report said buyers should check the cooling arrangements and available space in the device where they plan to install it.

The discount is modest. TechRadar noted that the drive is listed at $579.99, a negligible drop from $580, and the promo code reduces it to $559.99. The publication also placed the current price in context: the 4TB WD_BLACK SN7100 was available for $209.99 in 2025, and it was priced at $1,379.99 at Amazon at one point. Amazon currently lists it at $579, according to TechRadar. The report said the comparison shows how dramatically SSD prices have risen since 2025.