Hardware Spec Index

Altrix SN-5855 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN5855-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index12,102 (SSDs scale)
Category rank#2,980
Street price$479
Power11 W (active)
Performance per dollar25.27
Released2024

Specifications

BrandAltrix
ModelAltrix SN-5855 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read10,000 MB/s
Sequential write9,500 MB/s
Random 4K read2,270K IOPS
NAND3D TLC, 176-layer
CacheLPDDR4 DRAM, 8 GB
Endurance4,800 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

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

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Cite this page: Hardware Spec Index, “Altrix SN-5855 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6567534 (accessed 2026-10-22).