Hardware Spec Index

Altrix SN-9891 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN9891-XT · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index12,375 (SSDs scale)
Category rank#33,540
Street price$369
Power10 W (active)
Performance per dollar33.54
Released2025

Specifications

BrandAltrix
ModelAltrix SN-9891 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read13,700 MB/s
Sequential write13,200 MB/s
Random 4K read1,690K IOPS
NAND3D TLC, 238-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 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-9891 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4989786 (accessed 2026-10-20).