Hardware Spec Index

Altrix SN-2491 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN2491-XT · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index6,987 (SSDs scale)
Category rank#9,205
Street price$99
Power5 W (active)
Performance per dollar70.58
Released2019

Specifications

BrandAltrix
ModelAltrix SN-2491 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,400 MB/s
Sequential write1,900 MB/s
Random 4K read440K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 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-2491 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/95038880 (accessed 2026-10-24).