Hardware Spec Index

Altrix SN-8991 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8991-XT · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index6,843 (SSDs scale)
Category rank#10,528
Street price$99
Power6 W (active)
Performance per dollar69.12
Released2025

Specifications

BrandAltrix
ModelAltrix SN-8991 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write5,700 MB/s
Random 4K read1,030K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance360 TBW (0.33 DWPD)
Warranty3 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-8991 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/90127757 (accessed 2026-10-20).