Hardware Spec Index

Altrix SN-7781 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7781-PRIME · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index4,925 (SSDs scale)
Category rank#32,298
Street price$59
Power5 W (active)
Performance per dollar83.47
Released2023

Specifications

BrandAltrix
ModelAltrix SN-7781 Prime
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,600 MB/s
Sequential write3,600 MB/s
Random 4K read990K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.55 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-7781 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/92324540 (accessed 2026-10-22).