Hardware Spec Index

Altrix SN-8991 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8991-SE · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index13,941 (SSDs scale)
Category rank#44,225
Street price$469
Power8 W (active)
Performance per dollar29.72
Released2020

Specifications

BrandAltrix
ModelAltrix SN-8991 SE
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write5,400 MB/s
Random 4K read920K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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

Similar SSDs

ModelBenchmarkPriceCompare
Novexa SN-3601 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD14,851$589Compare
Mirenta SN-7008 Ultra 500GB PCIe 3.0 NVMe M.2 2280 SSD6,535$79Compare
Altrix SN-2767 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD7,808$139Compare
Novexa SN-4486 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD7,012$139Compare
Caldera SN-7737 Pro 500GB SATA 2.5-inch SSD4,412$49Compare
Mirenta SN-7168 Pro 4TB PCIe 3.0 NVMe M.2 2280 SSD9,966$269Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-8991 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/95969700 (accessed 2026-10-21).