Hardware Spec Index

Altrix SN-4981 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4981-ULTRA · Released 2026 · Updated 2026-10-27

Key facts

Benchmark index9,970 (SSDs scale)
Category rank#35,315
Street price$249
Power7 W (active)
Performance per dollar40.04
Released2026

Specifications

BrandAltrix
ModelAltrix SN-4981 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write4,100 MB/s
Random 4K read1,030K IOPS
NAND3D TLC, 218-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-4981 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/36039094 (accessed 2026-10-27).