Hardware Spec Index

Altrix SN-8921 Ultra 2TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8921-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index7,759 (SSDs scale)
Category rank#8,009
Street price$159
Power4 W (active)
Performance per dollar48.80
Released2019

Specifications

BrandAltrix
ModelAltrix SN-8921 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,500 MB/s
Sequential write2,400 MB/s
Random 4K read500K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance720 TBW (0.33 DWPD)
Warranty3 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-8921 Ultra 2TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3859611 (accessed 2026-10-20).