Hardware Spec Index

Altrix SN-7551 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7551-SE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index7,737 (SSDs scale)
Category rank#41,337
Street price$139
Power7 W (active)
Performance per dollar55.66
Released2021

Specifications

BrandAltrix
ModelAltrix SN-7551 SE
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,600 MB/s
Sequential write6,200 MB/s
Random 4K read840K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance480 TBW (0.22 DWPD)
Warranty3 years
HeatsinkNone

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Altrix SN-7551 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/51672390 (accessed 2026-10-19).