Hardware Spec Index

Altrix SN-4959 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4959-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index11,247 (SSDs scale)
Category rank#40,488
Street price$309
Power6 W (active)
Performance per dollar36.40
Released2021

Specifications

BrandAltrix
ModelAltrix SN-4959 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,600 MB/s
Sequential write4,100 MB/s
Random 4K read730K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 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-4959 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/41914893 (accessed 2026-10-26).