Hardware Spec Index

Altrix SN-4503 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4503-XT · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index13,460 (SSDs scale)
Category rank#26,768
Street price$459
Power7 W (active)
Performance per dollar29.32
Released2023

Specifications

BrandAltrix
ModelAltrix SN-4503 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,500 MB/s
Sequential write5,300 MB/s
Random 4K read950K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

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-4503 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/48415936 (accessed 2026-10-20).