Hardware Spec Index

Altrix SN-8645 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8645-XT · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index7,983 (SSDs scale)
Category rank#11,517
Street price$159
Power6 W (active)
Performance per dollar50.21
Released2019

Specifications

BrandAltrix
ModelAltrix SN-8645 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,300 MB/s
Sequential write1,900 MB/s
Random 4K read480K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 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-8645 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4470670 (accessed 2026-10-25).