Hardware Spec Index

Altrix SN-4990 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4990-PLUS · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index11,558 (SSDs scale)
Category rank#42,781
Street price$419
Power5 W (active)
Performance per dollar27.58
Released2021

Specifications

BrandAltrix
ModelAltrix SN-4990 Plus
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,900 MB/s
Sequential write4,000 MB/s
Random 4K read1,340K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-4990 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6965202 (accessed 2026-10-18).